JP2020157767A - Fabric material for surface protective cover, manufacturing method of fabric material for surface protective cover, surface protection method for articles, articles with protected surface - Google Patents

Abstract

To provide a fabric material for surface protective cover, a manufacturing method of the fabric material and a surface protection method for articles with the fabric material, with which, even if a person walks on the protected articles covered with the surface protective cover, he/she is hard to slip, and even if the protected object is large, the covering work can be done by one person.SOLUTION: There is provided a surface protective cover fabric material 60 composed of a base film 61 and an adhesive layer 62, in which the base film 61 has a flatly folded tube shape and the adhesive layer 62 is formed on one outer surface among two outer surfaces of the base film which are discriminated by being flatly folded.SELECTED DRAWING: Figure 6

Description

The present invention relates to a surface protective cover that protects the surface of various articles such as exterior materials, interior materials, pillar materials, floor materials and other building materials, furniture such as tables and workbenches, and OA equipment such as televisions and personal computers. Specifically, the present invention relates to a raw material for a surface protective cover, a method for manufacturing a raw material for a surface protective cover, a method for protecting the surface of an article, and an article having a protected surface.

Ceramic siding, which is used as an exterior material for detached houses, is molded in a factory, cut to a predetermined size, and then transported to a construction site by a truck or the like for construction. The siding is accumulated from cutting to construction, and a square bottom bag is covered to protect the surface. However, since the accumulated siding is large (around 980 mm x 3080 mm x 600 mm), the square bottom It was difficult to cover the bag alone. Further, when transporting by truck or the like, the driver or the like often walks on the siding accumulation covered with the square bottom bag, but the square bottom bag sometimes slips.

Patent Document 1 is an invention relating to a cover covering the upper part of a load on a pallet. The cover includes a flat ceiling portion, a side wall portion connected to the flat ceiling portion, and a locking member attached to the side wall portion. Since the cover becomes flat when the locking member is released, the work of covering the cover with the protected object (hereinafter referred to as the covering work) is easier than the square bottom bag, but when the protected object is large. After all, it was difficult to perform the covering work alone. Moreover, the problem that a person is slippery when walking on a protected object covered with a cover has not been improved at all.

Patent Document 2 is an invention relating to a surface protective film for protecting the surfaces of a metal plate, a painted steel plate, a resin plate, a glass plate, etc. from scratches or dust adhesion during secondary processing, transportation, and storage. The surface protective film is composed of a soft vinyl chloride resin film and an adhesive provided on one side thereof. Since the surface protective film is attached to the protected object by an adhesive, even if a person walks on the protected object covered with the protective film, the surface protective film does not easily slip and the pedestrian does not slip easily.
However, since the surface protective film is provided with an adhesive on the entire surface of one side, if the object to be protected is large, if the coating work is performed by one person, the films may stick to each other due to the adhesive during the coating work and become wrinkled. there were.

Japanese Unexamined Patent Publication No. 2003-81270 Japanese Unexamined Patent Publication No. 2-107648

The problem to be solved by the present invention is to provide a surface protective cover that is not slippery even when a person walks on the protected object covered with the surface protective cover and can perform the covering work by one person even if the protected object is large. Is. More specifically, it is an object of the present invention to provide a raw fabric for a surface protective cover, a method for producing the raw fabric, and a method for protecting the surface of an article using the raw fabric.

The present inventors attach a surface protective cover to the protected object at least on the top surface of the protected object in order to prevent slipping even when a person walks on the protected object covered with the cover. I found it desirable to be there. Further, instead of providing an adhesive layer on the entire surface (one side) of the base film, the base film is formed into a flatly folded tube shape, and the base film is classified by being flatly folded. By forming an adhesive layer on one of the outer surfaces, even when the object to be protected is large, it is possible to prevent the films from sticking to each other and wrinkling during the coating operation. And came to the present invention.

That is, according to the present invention, as a means for solving the above problems, it is a surface protective cover raw fabric composed of a base film and an adhesive layer, and the base film is in the shape of a flatly folded tube. Provided is an original fabric for a surface protective cover, characterized in that an adhesive layer is formed on one of the two outer surfaces of the base film, which is classified by being flatly folded.
Further, of the two outer surfaces of the base film classified by being folded flat, the outer surface on which the adhesive layer is not formed is provided with a cutting means extending in the length direction of the original fabric for the surface protective cover. Provided is the original fabric for the surface protective cover, which is characterized by being made of.
Further, of the two outer surfaces of the base film classified by being folded flat, the outer surface on which the adhesive layer is not formed has a cut extending in the length direction of the original fabric for the surface protective cover. The original fabric for the surface protective cover is provided.
In addition, the surface protective cover raw fabric is provided, wherein the base film is provided with a gusset portion on a side surface.
Further, the surface protective cover raw fabric is provided, characterized in that the pressure-sensitive adhesive layer is continuous in the length direction of the surface protective cover raw fabric.

At the same time, in the method for manufacturing the raw material for the surface protective cover, a step of manufacturing a tube-shaped base film by an inflation extrusion method, a step of folding the tube-shaped base film flatly, and a flattening step. Provided is a method for producing a raw material for a surface protective cover, which comprises a step of providing an adhesive layer on one outer surface of a tubular base film folded into a sill.
Further, a method for protecting the surface of an article using the original fabric for the surface protective cover, the step of attaching the adhesive layer of the original fabric for the surface protective cover to the top surface of the article, and the original material for the surface protective cover. Provided is a method for protecting the surface of an article, which comprises a step of cutting the fabric in the width direction.
Further, there is provided a method for protecting the surface of the article, which comprises a step of fixing the hem portion of the surface protection cover with a stretch film.
Further, the surface protection method provides an article characterized in that the surface is protected.

The original fabric for the surface protective cover of the present invention has a tube shape in which the base film is folded flat, and an adhesive is applied to one of the two outer surfaces of the base film which is classified by being folded flat. Since the layer is formed and the surface protective cover can be attached to the top surface of the protected object, it does not slip easily even if a person walks on the protected object covered with the cover. Further, since the adhesive layer is not formed on the entire surface of the base film, even if the coating work is performed by one person, the films do not stick to each other and become wrinkled.
Further, the original fabric for the surface protective cover of the present invention has a tube shape in which the base film is folded flat, and is adhered to one of the two outer surfaces of the base film classified by being folded flat. If the agent layer is formed, the width of the original fabric for the surface protective cover is much narrower than the width of the surface protective cover. Therefore, the handleability is excellent.
According to the method for producing a raw material for a surface protective cover of the present invention, a step of providing an adhesive layer is added to a film forming process by an inflation extrusion molding method, and a step of providing a cutting means or the like for cutting a tubular film is only added if necessary. Therefore, the above-mentioned raw material for the surface protective cover can be obtained very easily. Further, the tubular base film obtained by the inflation extrusion molding method is not cut open in a film shape to provide an adhesive layer, but is folded flat to provide an adhesive layer, so that equipment for providing an adhesive layer is provided. It can be made compact.

It is the schematic perspective view which showed the 1st Embodiment of the original fabric for the surface protection cover of this invention. It is a schematic diagram which shows the film forming step (a), the pinching step (b), the pressure-sensitive adhesive layer forming step (c), and the ring opening step (d) of the manufacturing method of the raw material for a surface protection cover of this invention. It is the schematic which shows the ring-opening step (d-1), (d-2) of the manufacturing process of the original fabric for a surface protection cover of this invention. It is the schematic (A) (B) which shows the surface protection method of this invention. It is the schematic (A) (B) (C) which shows the surface protection method of this invention. It is the schematic perspective view which showed the 2nd Embodiment of the original fabric for the surface protection cover of this invention. It is the schematic (A) (B) (C) which shows the surface protection method of this invention. It is the schematic (A) (B) (C) which shows the surface protection method of this invention. It is the schematic perspective view which showed the 3rd Embodiment of the original fabric for the surface protection cover of this invention.

Hereinafter, the present invention will be described in more detail, but the present invention is not limited thereto. The original fabric for the surface protective cover of the present invention comprises a base film and an adhesive layer.

The raw material of the base film of the present invention is not particularly limited, but a thermoplastic resin is preferable in order to obtain the base film by the inflation extrusion molding method described later, for example, low density polyethylene and high density polyethylene. , Α-Olefin homopolymers such as polypropylene and polybutene, copolymers of ethylene and α-olefins, propylene-ethylene copolymers, propylene-ethylene-butene copolymers, ethylene-vinyl acetate copolymers, ethylene- (meth ) Acrylic acid ester copolymer or the like can be used. Among these, a copolymer of ethylene and α-olefin is preferable in consideration of price, film forming property, strength and the like. The thermoplastic resin can also be blended and used if necessary. Further, the base film of the present invention may be a single-layer film made of the above-mentioned resin, or may be a multilayer film.

The raw material of the pressure-sensitive adhesive layer used for the surface protective cover of the present invention is not particularly limited, and conventionally known pressure-sensitive adhesives such as hot-melt-based pressure-sensitive adhesives and acrylic-based pressure-sensitive adhesives can be used. It is desirable that the pressure-sensitive adhesive layer has an adhesive strength such that the cover does not peel off from the protected object during use of the surface protective cover and the cover can be peeled off without adhesive residue after use. Such adhesive strength can be achieved by adjusting the type of adhesive, the coating amount, and the coating area.

[Original fabric for surface protection cover (first embodiment)]
FIG. 1 is a schematic perspective view showing a first embodiment of the original fabric 10 for a surface protective cover of the present invention. The base film 11 may contain a lubricant in order to facilitate the feeding of the roll-wound surface protective cover raw fabric 10. Further, the base film 11 may be a multilayer film, and a lubricant may be added to the surface layer on which the pressure-sensitive adhesive layer is not formed.

In the first embodiment, the pressure-sensitive adhesive layer 12 is provided at a substantially central portion in the width direction of one surface of the base film 11. This is because it is assumed that the adhesive layer 12 is attached to the top surface of the protected object. If the pressure-sensitive adhesive layer 12 is located on either the left or right side of the base film 11, when the pressure-sensitive adhesive layer 12 is attached to the top surface of the protected object, the base film 11 attaches the protected object. There is a high possibility that it cannot be protected symmetrically. Further, it is desirable that the pressure-sensitive adhesive layer 12 is continuous in the length direction of the original fabric for the surface protective cover. When the pressure-sensitive adhesive layers 12 are continuous, the adhesive strength is unlikely to change in the length direction of the original fabric for the surface protective cover.

The width α of the pressure-sensitive adhesive layer 12 may be determined according to the width of the top surface of the object to be protected, but it is preferably 1/2 or less of the width β of the base film, and 1/4 or more of the width β. It is desirable to have. In particular, it is desirable that the width α is slightly narrower (about several cm) than 1/2 of β. If the width α of the pressure-sensitive adhesive layer 12 greatly exceeds 1/2 of the width β of the base film, the films may stick to each other and become wrinkled during the coating operation. Further, if the width α is less than 1/4 of the width β, the surface protective cover is not surely attached to the protected object, and it becomes slippery when walking on the protected object covered with the cover. Further, when the width α is ½ or less of the width β, a manufacturing method described later, that is, a manufacturing method in which the pressure-sensitive adhesive layer is provided in a state where the tubular base film is folded flat becomes possible.

The method for producing a raw material for a surface protective cover of the present invention includes a step of producing a tube-shaped base film by an inflation extrusion molding method (hereinafter, abbreviated as a film forming step) and a process of forming the tube-shaped base film. A step of flatly folding (hereinafter, abbreviated as a pinching step) and a step of providing an adhesive layer on one outer surface of a flatly folded tubular base film (hereinafter, abbreviated as an adhesive layer forming step). Be prepared. In order to obtain the raw fabric for the surface protective cover shown in FIG. 1, a step of further cutting the tubular base film in the film length direction and forming it into a sheet (hereinafter, abbreviated as a ring opening step) is required.

FIG. 2 is a schematic view showing a film forming step (a), a pinching step (b), an adhesive layer forming step (c), and a ring opening step (d) of the manufacturing process of the raw fabric for a surface protective cover of the present invention. Is. In the pinching step (b) shown in FIG. 2, the tubular base film is flatly folded by the pinch roll 23. When a gusset is provided on the base film, the gusset may be formed along a triangular plate or the like before the film is introduced into the pinch roll 23.
Further, in the pressure-sensitive adhesive layer forming step (c) shown in FIG. 2, the pressure-sensitive adhesive layer is coated on one outer surface of a flatly folded tubular base film by the gravure coater 24. Is not limited to gravure coaters, spray coaters, reverse coaters, bar coaters, comma coaters, die coaters, floating knife coaters, kiss roll coaters, inverted knife coaters, air knife coaters, direct roll coaters, plaid coaters, etc. A known coating method can be used.
In the ring-opening step (d) shown in FIG. 2, only the upper film of the flatly folded tubular film is cut open by the cutter 25.
The film forming step (a) and the pinching step (b), the pressure-sensitive adhesive forming step (c), and the ring opening step (d) may be performed on a consistent production line, and the film forming step (a) and the pinching step may be performed. After performing (b) on a continuous production line, the base film may be wound once, and the pressure-sensitive adhesive forming step (c) and the ring opening step (d) may be performed on another production line.

FIG. 3 is an explanatory diagram (d-1) showing one embodiment of the ring-opening step and an explanatory diagram (d-2) showing another embodiment. In the base film 31a shown in (d-1), the tubular base film is folded flat as it is, and the pressure-sensitive adhesive layer 32a is formed on the outer surface of one of them, but the pressure-sensitive adhesive layer 32a is formed. By cutting open the central portion of the outer surface, the original fabric 30a for the surface protective cover of the present embodiment is obtained. The base film 31b shown in (d-2) is a tubular base film formed by forming a gusset on the side surface and folding it flat. The tubular base film 31b also becomes the original fabric 30b for the surface protective cover of the present embodiment by cutting open the central portion of the outer surface on which the adhesive layer is not formed.
When the object to be protected is a tall article, it is desirable to use the surface protective cover original fabric 30b formed from a tubular base film having a gusset on the side surface as shown in (d-2). The surface protective cover raw fabric 30a shown in (d-2) has a base film 31b that is wider than the width of the adhesive layer 32b, and covers up to the hem even if the article is tall. Can be done.

FIG. 4 is an explanatory view (A) and (B) showing an embodiment of a method for protecting the surface of an article using the original fabric for the surface protection cover of the first embodiment. In the surface protection method of the present embodiment, first, the adhesive layer of the original fabric 40 for the surface protection cover is attached to the top surface of the protected object (article) 44 (FIG. 4 (A)). Next, the original fabric 40 for the surface protection cover is fed out by a required length and cut in the width direction (FIG. 4 (B)) to complete the surface protection of the article. The present invention exerts its effect particularly when the object to be protected is an article having a horizontal top surface.

FIG. 5 shows a method of covering (protecting) all surfaces of the protected object 54 except the bottom surface with the surface protective cover 50. First, the tip of the surface protective cover raw fabric 50 is attached to the lower side surface of the protected object 54, and then the cover original fabric 50 is fed out and attached to the side surface and the top surface of the protected object (FIG. 5 (A)). At the stage where the surface facing the surface to which the surface protective cover original fabric is first attached is covered with the surface protective cover original fabric 50, the surface protective cover original fabric 50 is cut in the width direction (FIG. 5 (B)). ). In this state, the surface protection of the article may be completed, but in the embodiment shown in FIG. 5, a stretch film is formed around the hem 55A in order to prevent the hem 55A of the surface protection cover 55 from fluttering. S is wound around and the hem portion 55A is fixed (FIG. 5 (C)).

[Original fabric for surface protection cover (second embodiment)]
FIG. 6 is a schematic perspective view of the original fabric 60 for the surface protective cover in which the base film 61 is tubular. The base film 61 has a tubular shape that is folded flat, and an adhesive layer 62 is formed on one of the two outer surfaces 61A and 61B of the base film 61 that is divided by being folded flat. A cut 61C is formed on the other outer surface 61B.

When the tube-shaped base film 61 is stored in a flatly folded state for a long period of time, the inner surfaces (the inner surfaces of the tube) may be pseudo-adhered to each other. When the inner surfaces are pseudo-bonded to each other, it becomes difficult for the film to open when the original cover is cut to form a surface protective cover. In order to prevent such a phenomenon, it is advisable to add a lubricant to the base film 61. The lubricant may be added to the entire base film 61, but in order to reduce the amount of the lubricant, the base film 61 may be made into a multilayer film and added only to the innermost layer (the layer inside the tube). Good.

Further, the width α'of the pressure-sensitive adhesive layer 62 is the width of the two outer layers 61A and 61B which are separated by folding the base film 61 flat so that the surface protective cover can be securely attached to the object to be protected. It is desirable that it is about the same or slightly narrower (about several cm). If the width α'of the pressure-sensitive adhesive layer 62 is too narrow, the surface protective cover is not securely attached to the object to be packaged, and it becomes slippery when walking on the object to be covered with the cover.

For the surface protective cover original fabric of the second embodiment, for example, a tube-shaped base film was produced by an inflation extrusion molding method, and the obtained tube-shaped base film was folded flat and further flatly folded. It can be obtained by providing an adhesive layer on one outer surface of the tubular base film, making a cut on the outer surface on which the adhesive layer is not provided, and winding the cut around the core material.

FIG. 7 is an explanatory view (A), (B), and (C) showing an embodiment of a method for protecting the surface of an article using the original fabric for the surface protection cover of the second embodiment. First, the tip of the original fabric 70 for the surface protection cover is attached to the lower part of the side surface of the protected object 74, and then the original fabric 70 for the cover is attached to the side surface and the top surface of the protected object 74 while paying out (FIG. 7). (A)). After the cover original fabric 70 is fed out enough to cover the entire protected object 74, the original fabric 70 is cut in the width direction (FIG. 7 (B)). Finally, the stretch film S is wrapped around the hem 75A to fix the hem 75A (FIG. (C)).

FIG. 8 shows a method of protecting the protected object 84 by using the surface protective cover raw fabric 80 in which the cut 61C of the surface protective cover raw fabric 60 shown in FIG. 6 is changed to the cutting means (perforation) 81D. It is a schematic diagram shown. In the protection method, first, the adhesive layer of the original fabric 80 for the surface protection cover is attached to the top surface of the protected object (article) 84 (FIG. 8 (A)). Next, the raw fabric 80 for the surface protection cover is fed out by a required length, cut in the width direction (FIG. 8B), and the cutting means 81D of the tubular base film 81 is further cut open to surface the protected object 84. Covering with a protective cover 85 (FIG. 8C) completes surface protection of the article. According to the surface protection method, when the pressure-sensitive adhesive layer is attached to the top surface of the object to be protected 84 (FIGS. 8A and 8B), the base film is tubular, so that the hem of the base film is formed. The sticking work is very easy without any rattling.
In the surface protection method shown in FIG. 8, the two sides of the object to be protected 84 are not covered with the surface protection cover 85. However, as in the protection method shown in FIG. 7, the original fabric 80 for the surface protection cover is first used. The entire surface of the protected object 84 can be covered with the surface protective cover 85 by sticking the tip of the object to the lower part of the side surface of the protected object 84 and extending the original fabric 80 for the surface protective cover to the lower side surface facing the side surface. ..

[Original fabric for surface protection cover (third embodiment)]
A third embodiment of the original fabric for the surface protective cover is shown in FIG. The surface protective cover original fabric 90 of the third embodiment has gussets formed on the side surfaces 91E and 91F. The raw fabric 90 is obtained by producing a tubular base film by an inflation extrusion molding method, and forming a gusset on the base film 91 by, for example, lining it along a triangular plate or the like when folding it flat. be able to. When the base film 91 is a tube-shaped film that is folded flat and further formed with a gusset, the width of the original fabric 90 for the surface protective cover is very narrow (to about 1/4 of the width of the surface protective cover). )can do. Since the original fabric 90 for the surface protective cover is very compact, even one person can easily perform the stretching work.

The original fabric for the surface protective cover of the present invention extends in the length direction of the original fabric for the surface protective cover on the outer surface of the flatly folded tubular base film on the side where the adhesive layer is not formed. A cutting means for cutting can be provided. In the surface protective cover raw fabric 90 shown in FIG. 9, an adhesive layer 92 is formed on one outer surface 91A, and a cutting means 91D is formed on the other outer surface 91B.
The cutting means 91D shown in FIG. 9 may be a so-called perforated one in which the base film 91 is partially cut, or a so-called half-cut process in which the base film 91 is cut. Instead of the cutting means 91D, a cut in which the base film 91 is completely cut may be formed.

The original fabric for the surface protective cover of the present invention may have cutting means in the width direction of the film at regular intervals. The original fabric for the surface protective cover shown in FIG. 9 also has a cutting means 91G in the width direction of the film. When the object to be protected has a constant length, it is desirable that the surface protective cover raw fabric 90 is provided with cutting means 91G in the width direction in advance. If the cutting means 91D and 91G are provided in advance, it is not necessary to use a cutting tool such as scissors or a cutter during the coating work. The cutting means 91G is preferably perforated or half-cut.

For the surface protective cover raw fabric of the third embodiment, for example, a tubular base film is produced by an inflation extrusion molding method, and the obtained tubular base film is used to form gussets on the side surfaces (both sides). However, it can be obtained by folding it flat, providing an adhesive layer on one outer surface of the tubular base film that is further folded flat, further forming a cutting means, and winding this around a core material. The cutting means may be formed before the pressure-sensitive adhesive layer is provided on the base film. It is also possible to form a cut instead of the cutting means.

When the surface of the article is protected by using the original fabric for the surface protective cover of the third embodiment, it can be carried out in the same manner as the original fabric for the surface protective cover of the second embodiment. That is, the pressure-sensitive adhesive layer formed on one side of the tubular base film is attached to the object to be protected, the base film is fed out to a required length, cut in the width direction, and then the tube-shaped film is cut open. The film-like surface protective cover may be used.

In the present specification, the case where the object to be protected is an integrated material of ceramic siding has been mainly described, but the present invention is not limited to this, and for example, it protects the table surface of a food processing plant. It can also be used in some cases. When the present invention is used to protect a table in a food processing plant, the surface protective cover does not slip off the table during the processing work, and the surface protective cover can be discarded together with dirt after the processing work.

10, 30a, 30b, 40, 50, 60, 70, 80, 90 Original fabric for surface protection cover 11, 31a, 31b, 61, 91 Base film 12, 32a, 32b, 62, 92 Adhesive layer 23 Pinch roll 24 Gravure coater 25 Cutter 44, 54, 74, 84 Protected object 45, 55, 75, 85 Surface protection cover 55A, 75A Hem 61A, 61B, 91A, 91B Outer surface 61C Cut 81D, 91D, 91G Cutting means 91E, 91F Side S stretch film

Claims (9)

A raw fabric for a surface protective cover consisting of a base film and an adhesive layer.
The base film has a tubular shape that is folded flat, and is characterized in that an adhesive layer is formed on one of the two outer surfaces of the base film that is classified by being folded flat. Original fabric for surface protection cover. Of the two outer surfaces of the base film classified by being folded flat, the outer surface on which the adhesive layer is not formed is provided with a cutting means extending in the length direction of the original fabric for the surface protective cover. The original fabric for a surface protective cover according to claim 1, wherein the film is provided. Of the two outer surfaces of the base film classified by being folded flat, the outer surface on which the adhesive layer is not formed is characterized by having a cut extending in the length direction of the original fabric for the surface protective cover. The original fabric for the surface protective cover according to claim 1. The original fabric for a surface protective cover according to any one of claims 2 or 3, wherein the base film has a gusset portion on a side surface. The original fabric for a surface protective cover according to any one of claims 1 to 4, wherein the pressure-sensitive adhesive layer is continuous in the length direction of the original fabric for the surface protective cover. The method for manufacturing a raw material for a surface protective cover according to any one of claims 1 to 5.
The process of manufacturing a tubular base film by the inflation extrusion method and
The process of folding the tubular base film flat and
A method for producing a raw material for a surface protective cover, which comprises a step of providing an adhesive layer on one outer surface of a flatly folded tubular base film. A method for protecting the surface of an article using the original fabric for the surface protection cover according to any one of claims 1 to 5.
The process of attaching the adhesive layer of the original fabric for the surface protection cover to the top surface of the article, and
A method for protecting the surface of an article, which comprises a step of cutting the raw fabric for the surface protection cover in the width direction. The method for protecting the surface of an article according to claim 7, further comprising a step of fixing the hem of the surface protection cover with a stretch film. An article characterized in that the surface is protected by the surface protection method according to claim 7 or 8.

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