JP2017137599A - Manufacturing device of embossed crepe paper and manufacturing method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a manufacturing device for manufacturing embossed crepe paper having a fine irregular shape with excellent productivity and low energy cost, and a manufacturing method.SOLUTION: In a manufacturing device of crepe paper that uses a paper machine, which includes at least a dryer part 40 for heating and drying a fiber web T in a wet state, and a crepe doctor 50 for obtaining dry crepe payer D by forming crepe on the web T after heating and drying, in a latter stage of the crepe doctor 50, a spray device 63 as a treatment liquid feed part for feeding a treatment liquid that is a treatment liquid to be impregnated in the crepe paper D and a treatment liquid containing at least water or a transfer roll, and an emboss roll 61 that has excess heat during heating and drying due to a dryer part 40 and forms emboss on the crepe paper D impregnated with the treatment liquid are provided.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a manufacturing apparatus and a manufacturing method for embossed crepe paper used for paper products for hygiene use and household use.

Crepe paper used for sanitary and household paper products such as toilet paper, tissue paper, paper towels, kitchen paper, and paper napkins is required to have high water absorption and oil absorption.
In view of this, embossed crepe paper having a three-dimensional structure by adding unevenness (embossing) to the surface of the crepe paper to increase the volume is provided. This embossed crepe paper is particularly excellent in bulkiness and water absorption because the gap between the crepe papers increases when a plurality of sheets (for example, two or three sheets) are stacked.

As a method for producing embossed crepe paper, for example, a method is known in which a take-up roll on which pre-made crepe paper is wound is prepared, and embossing is performed on a dry crepe paper drawn from the roll. Yes. In this manufacturing method, embossing is performed in a processing step after the paper making step.
As described above, Patent Documents 1 and 2 disclose conventional techniques for performing embossing in a processing process independent of the papermaking process.

  Also known is a method of performing three-dimensional processing by forming irregularities and embosses on a fiber web during the paper making process, and this type of prior art is disclosed in Patent Documents 3, 4, and 5.

JP 2011-212866 A JP 2012-110407 A US Pat. No. 6,398,916 B1 JP 2003-166188 A Special table 2009-512791

However, the above prior art has the following problems.
In the prior art described in Patent Document 1, since the crepe paper in a dry state is pressed with an embossing roll, hydrogen bonds between pulp fibers are broken due to deformation and elongation of the paper, the strength is lowered, and the fibers move smoothly. Instead, the hydrogen bonds between the fibers are broken. As a result, the strength of the resulting embossed crepe paper is reduced, and paper dust increases due to fiber dropping. In addition, the embossed shape is maintained in paper with high strength, but the embossed shape tends to disappear in soft paper.

In the prior art described in Patent Document 2, hydrogen bonds between pulp fibers are relaxed by moisture, so that the fibers are easily deformed and embossing is easy, and hydrogen bonds are formed between pulp fibers after embossing. Therefore, there is an advantage that the shape of the emboss is difficult to disappear even with soft paper.
However, embossing is performed in a process independent of the papermaking process, which is disadvantageous for the production of products with a large production lot. In addition, the processing step is not continuous with the paper making step, and the base paper after paper making is temporarily stored. Therefore, there is a case where it is not suitable for embossing due to environmental temperature and humidity during subsequent processing.

In the prior art described in Patent Document 3, since the fiber web is supplied to a papermaking fabric having irregularities in the papermaking process, the fiber web is required to have fluidity and to have a high moisture content. Further, in the subsequent drying process, when the concavo-convex shape is not contacted with the heat source or is dried with a Yankee dryer, it is only lightly applied to the fiber web and cannot be pressed strongly to be dried.
For this reason, due to the high moisture content and lack of drying capacity of the fiber web, the drying efficiency is low and the drying cost is also high. Moreover, since the uneven shape of the crepe paper is formed by a fabric having deformability, it is difficult to form a fine uneven pattern.

  In the prior art described in Patent Document 4, a fiber web squeezed by a wet part of a paper machine is transferred to an embossing belt to form an uneven shape. In this case, a lot of moisture remains in the fiber web, and after the embossing is formed, it cannot be brought into close contact with the Yankee dryer and dried, which increases the drying cost. Moreover, since embossing is formed on a deformable belt, it is difficult to form fine irregularities.

  In the prior art described in Patent Document 5, an uneven shape is formed by sandwiching a fiber web squeezed by a wet part of a paper machine between embossing rolls. Since the fiber web after squeezing contains a lot of moisture in the pulp fiber, it must be embossed at a relatively high moisture content. Further, the subsequent drying also increases the drying cost because the fiber web cannot be adhered to the dryer for drying.

  Accordingly, the present invention has been made to solve the above-described problems, and the object thereof is to provide embossing having excellent productivity, low energy cost, a fine uneven shape, and high shape retention. An object of the present invention is to provide an apparatus and a method for producing embossed crepe paper.

In order to solve the above-mentioned problem, an embossed crepe paper manufacturing apparatus according to claim 1 is configured to form a crepe on a fiber web heated and dried by a dryer unit that heats and dries a wet fiber web. In a crepe paper manufacturing apparatus using a paper machine having at least a crepe processing unit for obtaining dry crepe paper,
After the creping part,
A treatment liquid supply unit for supplying a treatment liquid to be impregnated in the dry crepe paper and containing at least water;
An embossing roll that forms an emboss on the dry crepe paper that has residual heat at the time of heat drying by the dryer unit and is impregnated with the treatment liquid;
Is arranged.

  The manufacturing apparatus according to claim 2 dries the wire portion that dehydrates the pulp fiber slurry to form a fiber web, the wet portion that squeezes moisture from the fiber web, and the fiber web squeezed by the wet portion. A driping unit, a crepe processing unit for forming a crepe on a fiber web heated and dried by the dryer unit to obtain a dry crepe paper, a treatment liquid having at least residual water at the time of heating and drying by the dryer unit and containing at least water The dry crepe paper impregnated with an embossing roll and a counter roll is pressed with an embossing roll to form embossing, and a winding section for winding the crepe paper that has passed through the embossing processing section into a roll. It is a thing.

  According to a third aspect of the present invention, there is provided a manufacturing apparatus for embossed crepe paper according to the second aspect, wherein the crepe paper having passed through the embossed part is pressed between the embossed part and the winding part by a press roll. A press working part to be compressed is provided.

  The manufacturing apparatus according to claim 4 is the manufacturing apparatus for embossed crepe paper according to claim 2 or 3, wherein the opposing roll is formed of a softer material than the embossing roll, and the dry crepe paper is used. It has a smooth surface that contacts.

  The manufacturing apparatus according to claim 5 is the embossed crepe paper manufacturing apparatus according to claim 2 or 3, wherein the facing roll is formed of a hard material and is in contact with the dry crepe paper. It has a surface.

  The manufacturing apparatus according to claim 6 is the embossed crepe paper manufacturing apparatus according to claim 2 or 3, wherein the opposing roll has an embossed embossed surface on a surface facing the dry crepe paper. It is characterized by being.

  The manufacturing apparatus according to claim 7 is the embossed crepe paper manufacturing apparatus according to any one of claims 1 to 6, wherein the treatment liquid is impregnated by supplying the dry crepe paper with a spray device. It is something to be made.

  The manufacturing apparatus according to claim 8 is the embossed crepe paper manufacturing apparatus according to any one of claims 1 to 6, wherein the treatment liquid is supplied to the dry crepe paper by a transfer roll and impregnated. It is something to be made.

  A manufacturing apparatus according to claim 9 is the embossed crepe paper manufacturing apparatus according to any one of claims 1 to 6, wherein the treatment liquid is supplied to the surface of the embossing roll by a spray device. The treatment liquid adhering to the surface of the rotating embossing roll is impregnated into the dry crepe paper to perform embossing.

  A manufacturing apparatus according to claim 10 is the embossed crepe paper manufacturing apparatus according to any one of claims 1 to 6, wherein the processing liquid is supplied to the surface of the embossing roll by a transfer roll, The treatment liquid adhering to the surface of the rotating embossing roll is impregnated into the dry crepe paper to perform embossing.

  The manufacturing apparatus which concerns on Claim 11 is a manufacturing apparatus of the embossing crepe paper as described in any one of Claims 1-8, Comprising: The heating means which heats the said embossing roll is provided.

  The manufacturing apparatus according to claim 12 is the apparatus for manufacturing embossed crepe paper according to claim 11, comprising an auxiliary roller for winding the dry crepe paper over a predetermined length around the outer peripheral surface of the embossing roll. It is.

  A manufacturing apparatus according to claim 13 is an apparatus for manufacturing embossed crepe paper according to any one of claims 1 to 12, comprising a drying device for drying the dry crepe paper after embossing. It is.

  The manufacturing apparatus according to claim 14 is the embossed crepe paper manufacturing apparatus according to any one of claims 2 to 13, wherein the embossing roll winds up the crepe paper at the winding portion. It also serves as a reel.

A method for producing an embossed crepe paper according to claim 15 includes a dehydration step of dehydrating a slurry of pulp fibers supplied to a wire portion of a paper machine to form a fiber web;
A squeezing step of squeezing moisture from the fiber web that has undergone the dehydration step;
A drying step of heating and drying the fiber web that has undergone the squeezing step;
A crepe process for obtaining a dry crepe paper by creping the fiber web that has undergone the drying process;
A treatment liquid impregnation step of impregnating the dry crepe paper with a treatment solution containing at least water;
An embossing step of embossing the dry crepe paper having residual heat during drying by heating with the dryer unit and impregnated with the treatment liquid;
It is what has.

  According to a sixteenth aspect of the present invention, there is provided a method for producing an embossed crepe paper according to the fifteenth aspect, comprising a step of pressing the embossed crepe paper.

  The manufacturing method according to claim 17 is the manufacturing method of embossed crepe paper according to claim 15 or claim 16, wherein the moisture content of the dry crepe paper before reaching the treatment liquid impregnation step is 12 [%]. It is characterized by the following.

  The manufacturing method according to claim 18 is the manufacturing method of embossed crepe paper according to any one of claims 15 to 17, wherein the temperature of the dry crepe paper before reaching the treatment liquid impregnation step is It is 30-120 [° C.].

  A manufacturing method according to claim 19 is the manufacturing method of embossed crepe paper according to any one of claims 15 to 18, wherein the dry crepe paper is impregnated in the processing liquid impregnation step. The water concentration is 0.1 to 30% by weight with respect to the dry crepe paper.

  The manufacturing method according to claim 20 is the method of manufacturing embossed crepe paper according to any one of claims 15 to 19, wherein the treatment liquid impregnated in the dry crepe paper through the treatment liquid impregnation step. The temperature is 30 to 90 [° C.].

  The manufacturing method according to claim 21 is the embossed crepe paper manufacturing method according to any one of claims 15 to 20, wherein in the treatment liquid impregnation step, the treatment liquid is sprayed by the spray device. The crepe paper is supplied.

  The manufacturing method according to claim 22 is the embossed crepe paper manufacturing method according to any one of claims 15 to 21, wherein in the treatment liquid impregnation step, the embossing side surface of the dry crepe paper is used. The treatment liquid is impregnated.

  23. The manufacturing method according to claim 23, wherein in the embossing crepe paper manufacturing method according to any one of claims 15 to 22, in the embossing step, the processing liquid is formed by the embossing roll and a counter roll. The dry crepe paper impregnated with is pressed to form an emboss.

  The manufacturing method according to claim 24 is the method of manufacturing embossed crepe paper according to any one of claims 15 to 23, wherein the embossing roll is heated and used in the embossing step. And

  The method for producing an embossed crepe paper according to any one of claims 15 to 24, further comprising a step of drying the crepe paper after the embossing. To do.

In the present invention, embossing is performed by impregnating a dry crepe paper, which has a high temperature and is in a dry state immediately after being heated and dried by a dryer section, with a treatment liquid containing at least water. The treatment liquid penetrates and diffuses between the pulp fibers of the dry crepe paper, and further diffuses in the thickness direction and the planar direction of the dry crepe paper by pressurization during embossing.
At the time of embossing, the treatment liquid that has entered between the pulp fibers functions as a lubricant that smoothens the movement of the pulp fibers caused by the embossing. Moreover, the water | moisture content in the process liquid which spread | diffused makes a hydrogen bond express between embossed pulp fibers with drying.

The dry crepe paper at the time of embossing is in a dry state, and because it is in a high temperature state due to the residual heat during heat drying, the impregnated treatment liquid easily penetrates into the pulp fiber or volatilizes in the environment. Easy to dry. The amount of the treatment liquid may be small, and the residual heat of the dry crepe paper that has been discarded in the environment can be effectively used as moisture drying energy.
Further, by increasing the moisture content of the treatment liquid, it is possible to increase the shape and height difference of the emboss or to make the shape clearer.

If the embossed dry crepe paper has a lot of moisture and the embossing tends to disappear due to the pressure or tensile force at the time of winding, it is desirable to further dry after the embossing. Also in this case, since the dry crepe paper itself has a drying capability by residual heat, the installed drying apparatus can be simplified and the thermal energy cost can be reduced.
Furthermore, if the heating and drying conditions of the dryer section are increased as necessary, the temperature of the dry crepe paper before embossing can be increased and the moisture content can be reduced, further reducing the energy required for drying after embossing. It is possible.

In the embossed crepe paper wound up in a roll shape, a gap is generated between the layers of the roll due to the embossing, and the water is likely to volatilize. For this reason, even if moisture remains in the crepe paper after winding, it can be naturally dried before commercialization.
Moreover, since embossing is embossing by an embossing roll and a counter roll, the embossing which hold | maintained a clear and fine uneven | corrugated shape can be formed.

  In addition, although it is possible to emboss the fiber web in the middle of dewatering or drying on the paper machine as in Patent Document 5 described above, the fiber web in the middle of dewatering or drying is similar to the present invention. The effect cannot be obtained. This is due to the following reason.

The moisture of the wet fiber web is divided into three categories: moisture between the pulp fibers (a), moisture that wets the surface of the pulp fibers (b), and moisture that penetrates into the pulp fibers (c).
When embossing a fibrous web, moisture that tends to contribute to the formation of embossing forms moisture bonds between the pulp fibers that promote the movement of the pulp fibers (a) and hydrogen bonds between the pulp fibers when drying after embossing. It is the moisture (b) on the pulp fiber surface.

  In the dehydration process and the drying process on the paper machine, the moisture of the fiber web is removed in the order of moisture (a), (b), and (c) that is easy to dehydrate and has high volatility. Accordingly, when a clear emboss is formed by the conventional technique described in Patent Document 5, the embossing is performed in a state where moisture (c) is present together with moisture (a) and (b), that is, in a state where excessive moisture is present. Processing will be performed.

  On the other hand, when a treatment liquid containing water is applied from the outside to the dry crepe paper as in the present invention, moisture permeates in the order of (a), (b), and (c). Therefore, in the present invention, it is possible to form clear embossing in a state where moisture (a) and (b) are present, which has a small amount of moisture (c) and can easily contribute to the formation of embossing, and the total moisture content may be small. . Moreover, when compared with the same moisture content, since there is much water | moisture content (a) and (b) which is easy to contribute to formation of embossing in this invention, clear embossing can be formed effectively.

  As described above, according to the manufacturing apparatus and the manufacturing method of the present invention, embossed crepe paper having fine and clear concavo-convex embossments can be manufactured with high productivity and low energy cost.

It is a schematic whole block diagram of the manufacturing apparatus which concerns on the 1st form of this invention. It is process schematic of the manufacturing method which concerns on embodiment of this invention. It is explanatory drawing of the embossing part of the manufacturing apparatus which concerns on the 4th form of this invention. It is explanatory drawing of the embossing part of the manufacturing apparatus which concerns on the 5th form of this invention. It is explanatory drawing of the embossing part of the manufacturing apparatus which concerns on the 6th form of this invention. It is explanatory drawing of the embossing part of the manufacturing apparatus which concerns on the 7th form of this invention. It is explanatory drawing of the embossing part of the manufacturing apparatus which concerns on the 8th form of this invention. It is explanatory drawing of the embossing part of the manufacturing apparatus which concerns on the 9th form of this invention. It is explanatory drawing of the embossing part of the manufacturing apparatus which concerns on the 10th form of this invention. It is explanatory drawing of the embossing part of the manufacturing apparatus which concerns on the 11th form of this invention. It is explanatory drawing of the embossing part of the manufacturing apparatus which concerns on the 12th form of this invention. It is a schematic whole block diagram of the manufacturing apparatus which concerns on the 13th form of this invention. It is explanatory drawing of the embossing part of the manufacturing apparatus which concerns on the 14th form of this invention. It is explanatory drawing of the embossing part of the manufacturing apparatus which concerns on 15th form of this invention. It is explanatory drawing of the embossing part of the manufacturing apparatus which concerns on the 16th form of this invention. It is explanatory drawing of the embossing part of the manufacturing apparatus which concerns on the 17th form of this invention. It is explanatory drawing of the embossing part of the manufacturing apparatus which concerns on the 18th form of this invention.

  Next, an embodiment of an embossed crepe paper manufacturing apparatus and manufacturing method according to the present invention will be described with reference to the drawings. Here, since the manufacturing apparatus and the manufacturing method of the present invention are closely related to each other, both will be described collectively below.

FIG. 1 is a schematic overall configuration diagram of a manufacturing apparatus 1 according to the first embodiment of the present invention.
The manufacturing apparatus 1 includes a slurry supply unit 10, a wire unit 20, a wet unit 30, a dryer unit 40, a crepe doctor (crepe processing unit) 50, an embossing unit 60, a press processing unit 90 that is added as necessary, and a winding In other words, the paper machine that manufactures the crepe paper includes the embossing unit 60 and a press processing unit 90 that is added as necessary.

Here, the wet part 30 includes a first felt 31, a second felt 32, a suction box 33, a first press roll 34, and a second press roll 35. The dryer unit 40 is a Yankee dryer 41 in detail.
The embossing unit 60 includes an embossing roll 61, a counter roll 62, and a spray device 63 as a processing liquid supply unit, and the press processing unit 90 includes a pair of press rolls 91 and 92. The winding unit 70 includes a guide roller 71, a reel 72, and a winding roll 73.
The configuration of the slurry supply unit 10, the wire unit 20, and the crepe doctor 50 will be described later.

Next, the configuration and operation of the manufacturing apparatus 1 will be described in detail.
This manufacturing apparatus 1 manufactures an embossed crepe paper along the process of the manufacturing method shown in FIG. The configuration and operation of each unit will be described with reference to FIG.

(1) A pulp fiber slurry is supplied (slurry supplying step 100).
The slurry supply unit 10 is a wire unit that rotates a pulp fiber slurry (moisture of about 99.8 [%]) that has been beaten and mixed with chemicals and whose raw material concentration has been diluted and adjusted to, for example, about 0.2 [%]. 20 is supplied. The slurry supply unit 10 is a uniform, floc-free (small lump) over the entire width of the wire unit 20, and a slurry in which pulp fibers are well dispersed so as not to cause flow stripes at an appropriate concentration, speed, and angle. Feed on.

  General pulp fiber raw materials can be used as raw materials for pulp fibers, and wood fibers (conifers, hardwoods) that are more flexible due to moisture, especially in terms of water retention, water absorption, strength, papermaking suitability, cost, etc. Non-wood plant fibers (hemp, bast fiber, cotton, kenaf, etc.) are preferred. At least 50 [% by weight] or more of the fiber raw material is preferably made of wood or non-wood plant fibers.

(2) The pulp fiber slurry is dehydrated to form a fiber web T (dehydration step 200).
The wire unit 20 is a circular net (wire) that forms an endless track, and is driven by a drive unit (not shown). Moisture flows out from the slurry evenly dispersed on the surface of the rotating circular mesh (wire) and dehydrated.

(3) Water is squeezed from the fiber web T after dehydration (water squeezing step 300).
The fiber web T coming out of the wire part 20 moves to the first felt 31 of the wet part 30 and moves. The suction box 33 sucks water from the fiber web T and dehydrates it.
Thereafter, the fiber web T is sandwiched and moved between the first felt 31 and the second felt 32 and is pressed from both sides by the first press roll 34 and the second press roll 35 so as to be pressed and dehydrated. By sufficiently squeezing water in this step, the energy required for drying in the subsequent dryer section 40 is reduced.

(4) The fiber web T after squeezing is heated and dried (drying step 400).
After squeezing, the fiber web T moves to the second felt 32 side, and further transfers to the surface of the Yankee dryer 41 of the dryer section 40. The Yankee dryer 41 is a drum-shaped dryer having a mirror-finished surface, and has a structure in which steam is blown into the interior and heated to discharge cooled condensed water. By heating and drying the fiber web T in a state where it is attached to the outer peripheral surface of the Yankee dryer 41, the fiber web T becomes glossy single glossy paper with only the contact surface with the Yankee dryer 41.

(5) The fiber web T after drying is creped to obtain dry crepe paper D (creping step 500).
Next, the crepe doctor 50 peels off the fiber web T dried by the Yankee dryer 41 from the surface of the Yankee dryer 41. Since there is a speed difference between the Yankee dryer 41 and the reel 72 of the take-up unit 70 that are both rotationally driven, the apparent length is shortened when the fiber web T is peeled off, and fine wrinkles, that is, crepes are generated, resulting in dry crepes. Paper D (hereinafter also simply referred to as crepe paper D) is formed. This crepe increases the flexibility and touch of the paper.

Below, the characteristic of the crepe paper D just after passing through a creping process is demonstrated.
[Basis weight]
The basis weight of the crepe paper D is preferably 6 to 40 [g / m ² ], more preferably 9 to 30 [g / m ² ], and particularly preferably 10 to 25 [g / m ² ]. If the basis weight is low, it is difficult to uniformly disperse the fibers in the crepe paper D, and the strength becomes weak, making papermaking difficult. On the other hand, if the basis weight is too high, the strength of the crepe paper D becomes too strong, making it unsuitable as sanitary paper or household paper.

[Creep rate]
This crepe rate is expressed as (ab) / a × 100 using the peripheral speed a of the Yankee dryer 41 and the peripheral speed b of the reel 72. The crepe rate of the crepe paper D is preferably about 5 to 70 [%]. When the crepe rate is 5% or less, a uniform crepe is not easily formed, the crepe paper D is easily broken when the crepe paper D is running, the paper is less stretched, and breakage is likely to occur due to the pressure during the subsequent embossing. Moreover, when the crepe rate is 70% or more, the shape of the crepe becomes rough. A more preferable range of the crepe rate is 10 to 50 [%], and a particularly preferable range is 12 to 30 [%]. With these ranges, the crepe becomes uniform and a clear and flexible emboss is formed. be able to.

[Moisture percentage]
This moisture content is the moisture content of the crepe paper D at the time when it is sent away from the Yankee dryer 41 to the embossing unit 60, and is adjusted according to the drying conditions by the Yankee dryer 41. If the moisture content of the crepe paper D is high and the drying is insufficient, the crepe paper D is difficult to peel off from the Yankee dryer 41, and the crepe becomes rough and inferior to the touch. In the present invention, since the treatment liquid applied later when the moisture content is lower is easily absorbed into the crepe paper after embossing, the moisture content is preferably 12% or less, more preferably 8% or less, More preferably, it is 6 [%] or less.
The moisture content is measured according to JIS P8127.

[temperature]
This temperature is the temperature of the crepe paper D when it is sent away from the Yankee dryer 41 to the embossing unit 60.
The crepe paper D immediately after leaving the yankee dryer 41 is in a high temperature state due to heat applied from the yankee dryer 41. The higher the temperature of the crepe paper D, the higher the ability to dry the moisture after applying the treatment liquid. Therefore, the temperature of the crepe paper D is preferably 30 to 120 [° C.], more preferably 40 to 110 [° C.], and still more preferably 50 to 100 [° C.].

(6A) The crepe paper D is impregnated with the treatment liquid (treatment liquid impregnation step 600A).
The crepe paper D needs to maintain an appropriate wet state at the time of embossing described later. Therefore, the crepe paper D that is substantially in a dry state is impregnated with the treatment liquid immediately before or simultaneously with the embossing.

In the spray device 63 constituting the processing liquid supply unit, nozzles and rotors are arranged corresponding to the entire width of the crepe paper D. As the spray device, an air atomizer, a rotor type spray device, or the like can be used.
The crepe paper D is impregnated and held in the crepe paper D by spraying the treatment liquid directly in the form of a shower with a spray device over the entire width of the lower surface of the crepe paper D (contact surface with the Yankee dryer 41) in FIG. Since the lower surface of the crepe paper D is a surface against which an embossing roll 61 described later is pressed, if the processing liquid is impregnated from this surface, the processing liquid diffuses inside the crepe paper D when the embossing roll 61 is pressed. It becomes easy to do.

Here, the treatment liquid is water alone, or a softening agent, a moisturizing component, an oil component, a surfactant, a paper strength agent that improves the strength of the product, and a coloring component for coloring to improve the softness of the product. It is possible to use a mixed solution obtained by dissolving, emulsifying, and mixing the above in water.
In the crepe paper D impregnated with the treatment liquid, moisture in the treatment liquid enters between the fibers constituting the crepe paper D and exists in the form of free water, and the hydrogen bonds between the fibers are slightly loosened. It becomes a state.

The amount of the treatment liquid contained in the crepe paper D immediately before the embossing may be 0.1 to 30% per basis weight of the crepe paper D, and preferably 0.5 to 20%. More preferably, it is 1-10 [%].
When the amount of the treatment liquid impregnated is small, the shape retention of the emboss becomes insufficient, and the emboss shape tends to disappear due to the subsequent external pressure. On the other hand, when the amount of the treatment liquid impregnated is large, the suitability for processing such as breakage and wrinkling of the crepe paper D is lowered and the drying load is also increased.

  Further, the treatment liquid becomes easier to dry as the temperature increases. However, if the temperature becomes too high, the amount that volatilizes before embossing increases. Therefore, the temperature of the treatment liquid is 0 to 100 [° C.], preferably 30 to 90 [° C.], more preferably 40 to 80 [° C.].

(6B) Embossing is formed on the crepe paper D impregnated with the treatment liquid to obtain an embossed crepe paper E (embossing step 600B).
The embossing roll 61 used for embossing is a hard roll formed of a hard material such as a steel material with embossing (unevenness) having a predetermined shape and depth on the surface (outer peripheral surface). A metal material such as steel, a ceramic material, a hard synthetic resin material, or the like may be used on the surface of the embossing roll 61, and various coating processes may be applied to the surface.

The opposing roll 62 that faces the embossing roll 61 with the crepe paper D interposed therebetween is a rubber roll that is softer and smoother than the embossing roll 61. The facing roll 62 is made of a material such as rubber having a lower hardness than the embossing roll 61, and is a roll that is elastically deformable and has a flat surface on the crepe paper D side.
When embossing is performed by sandwiching the traveling crepe paper D between the embossing roll 61 and the opposing roll 62, the surface of the opposing roll 62 is rich in elastic force, so that the crepe paper D is transferred to the opposing roll 62 by the embossing roll 61. Pressed and deformed according to the unevenness of the emboss. This first form employs so-called “steel rubber embossing”.

  The crepe paper D impregnated with the treatment liquid has loose hydrogen bonds between pulp fibers, and the pulp fibers move relatively easily. Therefore, the pulp fibers can easily move along the unevenness formed by embossing, and clear and fine embossing can be formed.

When the emboss shape formed on the crepe paper D is a dot-like emboss pattern, the height difference of the emboss is 0.05 to 3.00 [mm], and the number of points per unit area is 4 to 200 [pieces / cm ² ]. More preferably, the height difference of the emboss is 0.1 to 1.00 [mm], the number of points per unit area is 10 to 150 [piece / cm ² ], and particularly preferably, the height difference of the emboss is 0.1. 2 to 0.70 [mm], and the number of points per unit area is 20 to 100 [pieces / cm ² ].
The height difference of emboss and the number of points per unit area are set according to the required touch and bulkiness.

The embossed arrangement pattern is a pattern that gives the crepe paper a characteristic function such as bulkiness, flexibility, water absorption, etc., a pattern that expresses patterns, characters, symbols, etc., or a design that combines them, or a combination of these patterns Can be set arbitrarily.
In this embossing, for example, the thickness of the crepe paper E after creping can be changed by adjusting the distance between the embossing roll 61 and the opposing roll 62 or adjusting the pressure to be applied.

  In this embodiment, moisture of the treatment liquid impregnated in the crepe paper E is dried by residual heat of the crepe paper E, diffusion and volatilization by pressing of the embossing roll 61 and the opposing roll 62, absorption by pulp fibers, crepe paper Since it is removed by natural drying or the like while E is running or in a stationary state, it is not necessary to install a special drying device. However, if necessary, the crepe paper E may be dried by an appropriate drying device ( The drying process 1000 in FIG.

Further, the crepe paper E is subjected to press processing by the press processing unit 90 as necessary (press processing step 900).
By this pressing, the head of the emboss can be smoothed and the smoothness of the surface of the crepe paper E can be improved. Furthermore, the embossed unevenness is pressurized, so that the embossed structure is softened, and the elasticity and the restoring property can be maintained.
The press working unit 90 includes press rolls 91 and 92 in which two are paired. The press rolls 91 and 92 are preferably calender rolls, and by pressing the crepe paper E with the smooth surface of these surfaces, the embossed head of the crepe paper E is pressed and flattened. The smooth surface is transferred to improve the smoothness.

(7) Winding the crepe paper E after embossing or pressing to make a winding roll (winding process 700)
In the winding unit 70, the crepe paper E that has been embossed by the embossing unit 60 is wound into a roll with a predetermined width and length via a guide roller 71 and a reel 72, and a winding roll 73 is obtained. The winding roll 73 is used in other processing steps, or the process proceeds to a finishing process, inspection selection, packaging process, etc. for the winding roll 73.

  In this embodiment, the configuration of each part (slurry supply unit 10, wire unit 20, wet unit 30, dryer unit 40, crepe doctor 50, press processing unit 90, winding unit 70) of the paper machine excluding the embossing unit 60 is what. It is not limited and a well-known mechanism or apparatus can be applied.

Next, the 2nd form and 3rd form which improved this 1st form are demonstrated.
These 2nd form and 3rd form add a change only to the opposing roll 62 of the embossing part 60, and each process of the other structure of a manufacturing apparatus and a manufacturing method is the same as that of a 1st form.

  First, in the second embodiment, the opposing roll 62 in FIG. 1 is a roll made of a hard material having a hardness equal to or higher than that of the embossing roll 61 and having a smooth surface. And what is called single-sided embossing can be formed by pressing the crepe paper D with the hard embossing roll 61 and the opposing roll 62. FIG.

Moreover, in the 3rd form, the embossing roll formed with hard materials, such as the same steel material as the embossing roll 61, is used as the opposing roll 62 of FIG. And what is called double-sided embossing can be formed in the front and back of the crepe paper D by pressing the crepe paper D using the hard embossing roll 61 and the opposing roll 62 which is also a hard embossing roll.
In particular, when the embossed irregularities of the embossing roll 61 and the opposing roll 62 are engaged with each other, so-called steel match embossing can be formed.

  Then, the manufacturing apparatus which concerns on the 4th form of this invention is demonstrated. The following fourth to twelfth embodiments are modifications of the embossed portion 60 of the first embodiment, and other configurations and manufacturing methods of the manufacturing apparatus are the same as those of the first embodiment, so redundant description is omitted. To do.

FIG. 3 shows an embossing part 60A of the manufacturing apparatus according to the fourth embodiment.
In the embossing section 60A, a transfer roll 64 is used as a processing liquid supply section instead of the spray device 63 shown in FIG.
By rotating the transfer roll 64 in a container filled with the processing liquid, the transfer roll 64 is brought into a wet state, and the processing liquid is transferred to the traveling crepe paper D.

The transfer roll 64 is disposed immediately before the embossing position by the embossing roll 61 and the opposing roll 62. Similarly to the first embodiment, when the treatment liquid is transferred and impregnated on the lower surface of the crepe paper D (the surface on which the embossing roll 61 is pressed), the processing liquid is contained inside the crepe paper D when the embossing roll 61 is pressed. It becomes easy to diffuse.
As the opposing roll 62, a soft or hard opposing roll, an embossing roll, or the like can be used as in the first to third embodiments.

Next, the embossing part 60B of the manufacturing apparatus which concerns on a 5th form is demonstrated based on FIG.
The embossing part 60B indirectly supplies the processing liquid to the crepe paper D by spraying the processing liquid onto the outer peripheral surface of the embossing roll 61 by the spray device 63 and causing the embossing roll 61 to function as a transfer roll. . If the embossing roll 61 whose outer peripheral surface is wetted by the processing liquid as in this embodiment is used, the impregnation of the processing liquid and the embossing on the crepe paper D can be performed simultaneously.
As the opposing roll 62, a soft or hard opposing roll, an embossing roll, or the like can be used as in the first to third embodiments.

Then, the embossing part 60C of the manufacturing apparatus which concerns on a 6th form is demonstrated based on FIG.
This embossing part 60C is arranged in place of the spray device 63 in the fifth embodiment, and a transfer roll 64 as a processing liquid supply part is arranged in the vicinity of the embossing roll 61, and the crepe paper D is transferred from the transfer roll 64 through the embossing roll 61. The treatment liquid is applied to the surface. That is, in this embodiment, the embossing roll 61 itself also functions as a transfer roll, and the crepe paper D can be impregnated with the treatment liquid and embossed at the same time.
As the facing roll 62, a soft or hard facing roll, an embossing roll, or the like can be used.

Next, the embossing part 60D of the manufacturing apparatus which concerns on a 7th form is demonstrated based on FIG.
By applying a large amount of moisture to the crepe paper D, a large embossed shape can be formed. However, if the crepe paper E after embossing is in a wet state, the emboss shape may be distorted or unclear during travel, winding or storage of the crepe paper E. In this case, it is desirable to add a drying means before winding the crepe paper E around the reel 72 to form many hydrogen bonds between the pulp fibers and maintain the embossed shape.

Therefore, in the embossing part 60D of the seventh embodiment, the embossing roll 61 is heated by a heating means (not shown) to form a hot embossing roll, which is also used as a drying means for the crepe paper E. The treatment liquid is supplied to the crepe paper D by the spray device 63.
The embossing roll 61 used as the heat embossing roll may be made of a material having a common heat transfer and heat resistance with a structure common to that of a normal embossing roll. As a heating means, an electric heater or the like is incorporated, or steam or hot water is used. Conductive heat or radiant heat from a heat medium such as the above may be used.
As the facing roll 62 in this embodiment, a soft or hard facing roll or embossing roll can be used. In any case, it is desirable to use a material having high heat resistance.

  When a hot embossing roll is used for the embossing roll 61, the higher the temperature, the higher the drying efficiency. However, if the temperature is higher than 150 [° C], the paper deteriorates. Preferably, 70 to 120 [° C.] is more preferable.

The moisture of the treatment liquid supplied to the crepe paper D before embossing exists between the pulp fibers of the crepe paper D as excess water. This excess water evaporates by drying after embossing, and many hydrogen bonds are formed between the pulp fibers while maintaining the embossed shape. As a result, it is possible to obtain an embossed crepe paper E in which the embossed shape is well maintained.
In particular, if the embossing roll 61, which is a hot embossing roll, is used, drying is accelerated immediately after embossing, which eliminates the need for a separate drying device and contributes to downsizing and cost reduction of the entire production line.
1 and 3, a hot embossing roll may be used as the embossing roll 61.

  Furthermore, in the seventh embodiment, as shown in FIG. 6, an auxiliary roller 65 is disposed in the vicinity of the embossing roll 61 that is a hot embossing roll. The auxiliary roller 65 is disposed at a position where the crepe paper E after embossing circulates (contacts) a sufficient length on the outer peripheral surface of the embossing roll 61. Thereby, the time which the crepe paper E after embossing contacts the embossing roll 61 can be lengthened, and the drying effect can be improved. For example, it is desirable that the crepe paper E is brought into contact over 1/2 or more of the circumference of the embossing roll 61.

Next, the embossing part 60E of the manufacturing apparatus which concerns on an 8th form is demonstrated based on FIG.
The embossing section 60E uses a transfer roll 64 as a processing liquid supply section instead of the spray device 63 in FIG. Further, the embossing roll 61 is a hot embossing roll and includes an auxiliary roller 65 as in FIG.
Since the operation of this embodiment can be inferred from the fourth embodiment, the seventh embodiment, etc., the description thereof is omitted here.

Then, the embossing part 60F of the manufacturing apparatus which concerns on a 9th form is demonstrated based on FIG.
In the embossing section 60F, a drying device 66 is disposed downstream of the embossing position, and the crepe paper E after the embossing is dried by the drying device 66. The spray device 63 supplies the processing liquid to the crepe paper D.

  The drying device 66 heats by a heater, blows hot air, irradiates infrared rays or far infrared rays, etc., evaporates moisture remaining on the crepe paper E and rapidly dries it. If the crepe paper E after embossing is immediately dried by the drying device 66, the emboss formed on the crepe paper E is quickly fixed in the same shape. Since the embossment containing moisture is easily lost by an external force, it is desirable that the drying device 66 can be dried without contact with the crepe paper E.

When the drying device 66 performs aeration drying, the drying efficiency decreases when the temperature of the air is low, and the drying efficiency increases as the temperature increases. However, when the temperature is too high, the crepe paper E deteriorates due to heat. There is a fear.
Therefore, there is no practical problem if the air temperature by air-drying is 20 to 150 [° C.], but 50 to 100 [° C.] is more preferable.
In this embodiment, if a hot embossing roll is used as the embossing roll 61, the drying effect can be further enhanced. In this case, the auxiliary roller 65 shown in FIGS. 6 and 7 may be added. Moreover, what is necessary is just to use the hard opposing roll and embossing roll with heat resistance for the opposing roll 62. FIG.

Next, an embossing unit 60G of the manufacturing apparatus according to the tenth embodiment will be described with reference to FIG.
The embossing section 60G uses a transfer roll 64 as a processing liquid supply section for the crepe paper D, instead of the spray device 63 in FIG. The embossing roll 61 may be a hot embossing roll, or an auxiliary roller 65 may be added.

Next, the embossing part 60H of the manufacturing apparatus which concerns on an 11th form is demonstrated based on FIG.
This embossing part 60H makes the embossing roll 61 have a function as a transfer roll of the processing liquid by setting the supply target of the processing liquid by the spray device 63 of the ninth embodiment to the embossing roll 61. Since the operation of this form can be inferred from the fifth form, the ninth form, etc., the detailed description is omitted.

Furthermore, the embossing part 60I of the manufacturing apparatus which concerns on a 12th form is demonstrated based on FIG.
The embossing section 60I makes the embossing roll 61 have a function as a processing liquid transfer roll by setting the supply target of the processing liquid by the transfer roll 64 of the tenth embodiment to the embossing roll 61. The operation of this form can be inferred from the sixth form, the tenth form, and the like, and will not be described in detail.

Next, FIG. 12 is a schematic overall configuration diagram of the manufacturing apparatus 2 according to the thirteenth embodiment of the present invention.
This manufacturing apparatus 2 is different from the first to twelfth embodiments in that the embossing unit 80 is integrated with the treatment liquid supply unit and the winding unit. The configuration of each part in the previous process of the embossed part 80 is the same as that in FIG. 1, and each process of the manufacturing method using the manufacturing apparatus 2 is the same as the part excluding the press process 900 in FIG. Therefore, the following description will focus on the configuration and operation of the embossing section 80.

  As shown in FIG. 12, the embossing unit 80 includes a guide roller 81, a spray device 82 as a processing liquid supply unit, an embossing roll 83, a counter roll 84, and a take-up roll 85. The spray device 82 sprays the treatment liquid onto the crepe paper D guided by the guide roll 81. Thereafter, the crepe paper D is embossed using the embossing roll 83 and the opposing roll 84, and immediately thereafter, the crepe paper E is taken up on the take-up roll 85.

The configurations of the embossing roll 83 and the opposing roll 84 are the same as the embossing roll 61 and the opposing roll 62 described in the first embodiment, and the opposing roll 84 can be a soft or hard opposing roll or embossing roll. . The embossing roll 83 may be a hot embossing roll.
In this embodiment, an embossing roll 83 is arranged instead of the reel 72 in the first embodiment of FIG. 1, and there are advantages that the number of parts is reduced and the entire paper machine can be reduced in size.

Next, FIGS. 13 to 15 show embossed portions 80A, 80B, and 80C of the manufacturing apparatus according to the fourteenth to sixteenth embodiments, respectively.
An embossing unit 80A in FIG. 13 is an example in which the processing liquid is supplied to the crepe paper D by a transfer roll 86 as a processing liquid supply unit instead of the spray device 82 in FIG.
14 is an example in which the processing liquid is supplied to the embossing roll 83 by the spray device 82, and the embossing processing part 80C in FIG. 15 supplies the processing liquid to the embossing roll 83 by the transfer roll 86. It is an example.
The effects of these fourteenth to sixteenth embodiments can be easily inferred from the description of the thirteenth embodiment shown in FIG.

Next, FIGS. 16 and 17 show embossed portions 80D and 80E of the manufacturing apparatus according to the 17th and 18th embodiments, respectively.
In these forms, the positions of the embossing roll 83 and the opposing roll 84 are opposite to those in the thirteenth to sixteenth forms, and the contact area between the embossed crepe paper E and the outer peripheral surface of the embossing roll 83 is small. The rolls 83 and 84 are arranged to be large.
The processing liquid is supplied to the outer peripheral surface of the facing roll 84, and the spray device 82 is used in the seventeenth form and the transfer roll 86 is used in the eighteenth form as the processing liquid supply unit.
The operation of these seventeenth and eighteenth forms can be easily inferred from the description of each form described above, and thus detailed description thereof will be omitted. However, when a hot embossing roll is used as the embossing roll 83, the crepe paper E is dried. Ability can be increased.

  As described above, in the manufacturing apparatus of each embodiment and the manufacturing method using these manufacturing apparatuses, the emulsification is performed by impregnating the treatment liquid into the dry crepe paper D having residual heat when heated and dried in the paper making stage. ing. That is, by continuously performing dry crepe paper D papermaking, drying, processing liquid supply, and embossing in a series of papermaking processes, embossed crepe paper E can be produced with high productivity and low drying energy. Can be manufactured.

  The embossed crepe paper manufacturing apparatus and method according to the present invention can be used for the production of various paper products for hygiene and household use.

10: Slurry supply unit 20: Wire unit 30: Wet unit 31: First felt 32: Second felt 33: Suction box 34: First press roll 35: Second press roll 40: Dryer unit 41: Yankee dryer 50: Crepe Doctor 60, 60A, 60B, 60C, 60D, 60E, 60F, 60G, 60H, 60I: Embossing section 61: Embossing roll 62: Opposing roll 63: Spray device (treatment liquid supply section)
64: Transfer roll (processing liquid supply unit)
65: auxiliary roller 66: drying device 70: winding unit 71: guide roller 72: reel 73: winding rolls 80, 80A, 80B, 80C, 80D, 80E: embossing unit 81: guide roller 82: spray device (processing) Liquid supply unit)
83: Embossing roll 84: Opposing roll 85: Winding roll 86: Transfer roll (treatment liquid supply unit)
90: Press working part 91, 92: Press roll T: Fiber web D: Dry crepe paper E: Embossed crepe paper

Claims (25)

A crepe paper using a paper machine having at least a dryer section for heating and drying a wet fiber web, and a crepe processing section for forming a crepe on the fiber web heated and dried by the dryer section to obtain a dry crepe paper In manufacturing equipment,
After the creping part,
A treatment liquid supply unit for supplying a treatment liquid to be impregnated in the dry crepe paper and containing at least water;
An embossing roll that forms an emboss on the dry crepe paper that has residual heat at the time of heat drying by the dryer unit and is impregnated with the treatment liquid;
An apparatus for producing embossed crepe paper. A wire section for dewatering a pulp fiber slurry to form a fiber web;
A wet part for squeezing moisture from the fiber web;
A dryer section for drying the fiber web squeezed by the wet section;
A crepe processing unit for obtaining a dry crepe paper by forming a crepe on a fiber web heated and dried by the dryer unit;
An embossing section that has residual heat at the time of heating and drying by the dryer section and that presses the dry crepe paper impregnated with a treatment liquid containing at least water with an embossing roll and an opposing roll to form embossing;
A winding unit for winding the crepe paper that has undergone the embossing unit into a roll;
A device for producing embossed crepe paper. In the manufacturing apparatus of the embossing crepe paper of Claim 2,
An apparatus for producing embossed crepe paper, comprising a press working unit that compresses the crepe paper that has passed through the embossed part with a press roll between the embossed part and the winding unit. In the manufacturing apparatus of the embossing crepe paper of Claim 2 or 3,
The embossed crepe paper manufacturing apparatus, wherein the opposing roll is formed of a softer material than the embossing roll and has a smooth surface in contact with the dry crepe paper. In the manufacturing apparatus of the embossing crepe paper of Claim 2 or 3,
The embossed crepe paper manufacturing apparatus, wherein the opposing roll is formed of a hard material and has a smooth surface in contact with the dry crepe paper. In the manufacturing apparatus of the embossing crepe paper of Claim 2 or 3,
The embossed crepe paper manufacturing apparatus according to claim 1, wherein the opposing roll is an embossing roll having an uneven embossed surface on a surface facing the dry crepe paper. In the manufacturing apparatus of the embossing crepe paper as described in any one of Claims 1-6,
An apparatus for producing embossed crepe paper, wherein the treatment liquid is supplied and impregnated into the dry crepe paper by a spray device. In the manufacturing apparatus of the embossing crepe paper as described in any one of Claims 1-6,
An apparatus for producing embossed crepe paper, wherein the treatment liquid is supplied and impregnated into the dry crepe paper by a transfer roll. In the manufacturing apparatus of the embossing crepe paper as described in any one of Claims 1-6,
Embossing characterized in that the processing liquid is supplied to the surface of the embossing roll by a spray device and the dry crepe paper is impregnated with the processing liquid adhering to the surface of the rotating embossing roll. Crepe paper manufacturing equipment. In the manufacturing apparatus of the embossing crepe paper as described in any one of Claims 1-6,
Embossing characterized in that the processing liquid is supplied to the surface of the embossing roll by a transfer roll and the dry crepe paper is impregnated with the processing liquid adhering to the surface of the rotating embossing roll. Crepe paper manufacturing equipment. In the manufacturing apparatus of the embossing crepe paper as described in any one of Claims 1-8,
An apparatus for producing embossed crepe paper, comprising heating means for heating the embossing roll. In the manufacturing apparatus of the embossed crepe paper of Claim 11,
An apparatus for producing embossed crepe paper, comprising an auxiliary roller for winding the dry crepe paper over a predetermined length around an outer peripheral surface of the embossing roll. In the manufacturing apparatus of the embossing crepe paper as described in any one of Claims 1-12,
An apparatus for producing embossed crepe paper, comprising a drying device for drying the dry crepe paper after embossing. In the manufacturing apparatus of the embossing crepe paper as described in any one of Claims 2-13,
The embossing crepe paper manufacturing apparatus, wherein the embossing roll also serves as a reel for winding the crepe paper at the winding unit. A dewatering step of dewatering the pulp fiber slurry supplied to the wire section of the paper machine to form a fiber web;
A squeezing step of squeezing moisture from the fiber web that has undergone the dehydration step;
A drying step of heating and drying the fiber web that has undergone the squeezing step;
A crepe process for obtaining a dry crepe paper by creping the fiber web that has undergone the drying process;
A treatment liquid impregnation step of impregnating the dry crepe paper with a treatment solution containing at least water;
An embossing step of forming embossing using an embossing roll for the dry crepe paper having a residual heat at the time of heat drying by the drying step and impregnated with the treatment liquid;
A process for producing embossed crepe paper. In the manufacturing method of the embossed crepe paper of Claim 15,
A method for producing an embossed crepe paper, comprising a step of pressing the embossed crepe paper. In the manufacturing method of the embossing crepe paper of Claim 15 or Claim 16,
The method for producing embossed crepe paper, wherein the moisture content of the dry crepe paper before reaching the treatment liquid impregnation step is 12% or less. In the manufacturing method of the embossing crepe paper as described in any one of Claims 15-17,
The method for producing embossed crepe paper, wherein the temperature of the dry crepe paper before reaching the treatment liquid impregnation step is 30 to 120 [° C]. In the manufacturing method of the embossing crepe paper as described in any one of Claims 15-18,
The embossed crepe paper is characterized in that the water concentration in the treatment liquid impregnated in the dry crepe paper in the treatment liquid impregnation step is 0.1 to 30% by weight with respect to the dry crepe paper. Production method. In the manufacturing method of embossed crepe paper as described in any one of Claims 15-19,
The method for producing embossed crepe paper, wherein the temperature of the treatment liquid impregnated in the dry crepe paper in the treatment liquid impregnation step is 30 to 90 [° C]. In the manufacturing method of the embossing crepe paper as described in any one of Claims 15-20,
In the treatment liquid impregnation step, the treatment liquid is supplied to the dry crepe paper by a spray device. In the manufacturing method of the embossing crepe paper as described in any one of Claims 15-21,
In the treatment liquid impregnation step, the treatment liquid is impregnated from the surface on the embossing side of the dry crepe paper. In the manufacturing method of the embossing crepe paper as described in any one of Claims 15-22,
In the embossing step, the embossing crepe paper is produced by pressing the dry crepe paper impregnated with the treatment liquid with the embossing roll and the opposing roll to form embossing. In the manufacturing method of the embossing crepe paper as described in any one of Claims 15-23,
In the embossing process, the embossing roll is heated and used. A method for producing embossed crepe paper. In the manufacturing method of the embossing crepe paper as described in any one of Claims 15-24,
A method for producing embossed crepe paper, comprising a step of drying the crepe paper after embossing.

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