WO2015104788A1 - 開繊体の製造方法及び製造装置 - Google Patents
開繊体の製造方法及び製造装置 Download PDFInfo
- Publication number
- WO2015104788A1 WO2015104788A1 PCT/JP2014/006509 JP2014006509W WO2015104788A1 WO 2015104788 A1 WO2015104788 A1 WO 2015104788A1 JP 2014006509 W JP2014006509 W JP 2014006509W WO 2015104788 A1 WO2015104788 A1 WO 2015104788A1
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- WIPO (PCT)
- Prior art keywords
- tow
- opening
- tows
- divided
- spread
- Prior art date
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15577—Apparatus or processes for manufacturing
- A61F13/15707—Mechanical treatment, e.g. notching, twisting, compressing, shaping
- A61F13/15723—Partitioning batts; Cutting
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15577—Apparatus or processes for manufacturing
- A61F13/15666—Wrapping formed fibrous webs or pads, e.g. the pads being formed by uniting pad pieces cut from fibrous webs
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
- D02G1/16—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using jets or streams of turbulent gases, e.g. air, steam
- D02G1/161—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using jets or streams of turbulent gases, e.g. air, steam yarn crimping air jets
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
- D02J1/00—Modifying the structure or properties resulting from a particular structure; Modifying, retaining, or restoring the physical form or cross-sectional shape, e.g. by use of dies or squeeze rollers
- D02J1/18—Separating or spreading
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2509/00—Medical; Hygiene
- D10B2509/02—Bandages, dressings or absorbent pads
- D10B2509/026—Absorbent pads; Tampons; Laundry; Towels
Definitions
- the present invention relates to a manufacturing method and a manufacturing apparatus for an opened body used as a material such as a paper diaper.
- a mixture of a spread tow (hereinafter referred to as “opened tow” or “opened body”) and a polymer absorbent is used.
- the opened tow is a single-layered product in which an original fabric of one tow is opened by a spread roller or an air spread jet.
- a laminated body of spread tows is required, first, a plurality of single-layer spread tows are produced, and then, the plurality of single-layer spread tows are overlapped on multiple layers.
- a laminate of spread tows is produced.
- a plurality of sets of tow bales and their spread processing equipment are required, and there are problems in terms of cost and installation space.
- Patent Document 1 proposes a method for manufacturing an absorbent body using a two-layer spread tow produced from a single tow stock.
- a spreader banding jet and spreader roller
- the tow is stretched in the longitudinal direction, and the opened tow is used with an anvil roll and a roll slitter. Then, it is divided into two parts by cutting along the longitudinal direction, and the tension of the opened tow is relaxed by using a vacuum conveyor and the crimped property of the opened tow is expressed.
- the cut end of the tow filament protrudes from the cut surface generated in the opened tow by cutting.
- the tow filament protruding from the cut surface of the opened tow may be entangled with the drive shaft at the time of manufacturing, for example, and may cause a manufacturing trouble.
- transforms the line of a cutting surface there exists a possibility of reducing the quality of the opening tow
- the present invention has been made in view of the above circumstances, and the object thereof is to be manufactured in a method and an apparatus for manufacturing a plurality of spread bodies (opened tows) from a raw material of one tow.
- the purpose is to improve the quality of the spread body.
- the manufacturing method of the spread body according to the present invention Widening the crimped tow in the width direction of the tow; Primary opening of the tow spread in the width direction; Separating the first towed tow into at least two divided tows; Cutting the division of the divided tows; Secondary opening of the split tow.
- the manufacturing apparatus for the spread body includes a preliminary opening apparatus that widens the crimped tow in the width direction of the tow, A primary opening device for primarily opening the tow expanded in the width direction; A dividing device that separates the tow that has been primarily opened into at least two divided tows; A cutting device for cutting a division of the divided tow; And a secondary opening device for secondary opening of the divided tow.
- the tow is divided into a plurality of divided tows, the division is cut, so that the tow is cut without being divided as described in Patent Document 1.
- fewer filaments are cut.
- the cut end of the filament generated by the cutting can be mixed into the inside of the opened body by opening (secondary opening), the cut end of the filament hardly protrudes from the opened body.
- each split tow is opened (secondary opening) after the tow has been divided, the manufactured opened body is sufficiently entangled with the filaments, and the shape does not easily collapse.
- the spread body manufactured by the above-described method for manufacturing a spread body and the manufacturing apparatus is cut after opening one tow as described in Patent Document 1. Compared with a plurality of spread tows obtained by the above, it has excellent quality.
- the quality of the manufactured opened body can be improved.
- FIG. 1 is a diagram showing an overall configuration of an apparatus for manufacturing a spread body according to an embodiment of the present invention.
- FIG. 2 is a plan view of the downstream side from the primary opening device of the opening body manufacturing apparatus.
- FIG. 3 is a side view showing the cutting device.
- FIG. 4 is a flowchart for explaining a method of manufacturing the spread body.
- FIG. 5 is a side view showing a modification of the cutting apparatus.
- FIG. 6 is a plan view of the downstream side from the primary opening device of the opening body manufacturing apparatus according to Modification 1 when the tow is divided into three parts.
- FIG. 7 is a plan view of the downstream side from the primary opening device of the apparatus for manufacturing an opened body according to Modification 2 when the tow is divided into three parts.
- FIG. 1 is a diagram showing an overall configuration of a spreader manufacturing apparatus 1 according to an embodiment of the present invention
- FIG. 2 is a plan view of a downstream side from the primary spreader 3 of the spreader manufacturing apparatus 1
- FIG. 3 is a side view showing the cutting device 5.
- the apparatus 1 for manufacturing an open body manufactures a plurality of open tows 11 (open bodies) from one tow veil (raw material of the tow 10). It is a device for.
- the produced plurality of opened tows 11 can be stacked and used as a laminated body of opened tows, or can be used in parallel as a plurality of opened tows.
- the tow 10 is, for example, cellulose acetate tow, but is not limited thereto.
- a conveying path 30 for the tow 10 is formed in the opened body manufacturing apparatus 1.
- the manufacturing apparatus 1 is arrange
- each component of the manufacturing apparatus 1 of a spread body is demonstrated in detail.
- the pre-opening device 2 is means for pre-opening the crimped tow 10 delivered from the tow veil and banding the tow 10.
- two banding jets 21 and 22 are used as the preliminary opening device 2.
- the banding jet 21 is arranged in the conveyance path 30 between the tow veil and the guide 23, and the banding jet 22 is arranged in the conveyance path 30 between the guide 23 and the primary fiber opening device 3.
- These banding jets 21 and 22 separate the filaments of the tow 10 by blowing compressed air onto the surface of the tow 10 when the tow 10 passes. By the action of the banding jets 21 and 22, the width of the tow 10 is expanded and the tow 10 is banded.
- the primary opening device 3 is means for opening (primary opening) the tow 10 pre-opened by the pre-opening device 2.
- two pairs of opening rollers 31 and 32 are used as the primary opening device 3.
- the two pairs of opening rollers 31 and 32 are arranged in the conveyance path 30 at a predetermined interval in the conveyance direction of the tow 10.
- the downstream opening roller pair 32 is rotationally driven at a slightly higher speed than the upstream opening roller pair 31.
- the individual filaments of the tow 10 are separated by the tow 10 being pulled or loosened between the two pairs of fiber opening rollers 31 and 32.
- the splitting device 4 is means for separating one tow 10 that has been primarily opened by the primary opening device 3 into at least two tows 10A and 10B (hereinafter referred to as “divided tows 10A and 10B”).
- a dividing line P along the longitudinal direction of the tow 10 is formed between the divided tows 10A and 10B.
- two guide bars 41 guide members
- the cutting device 5 is means for cutting the tow 10 along the formed division P.
- a disc cutter 51 that is rotationally driven by a drive unit 52 (FIG. 3) is used as the cutting device 5.
- the two guide bars 41 are arranged apart in the width direction of the tow 10 so as to interrupt between the width directions of the tow 10 transported in the transport path 30.
- one tow 10 is divided in the width direction into two divided tows 10A and 10B.
- the movement of the divided tows 10A and 10B is guided by the two guide bars 41 so that the divided tows 10A and 10B are separated in the width direction of the tow 10.
- Most of the filaments of the tow 10 are attached to one of the two divided tows 10A and 10B without being cut.
- the filaments associated with one divided tow 10A and the filaments associated with the other divided tow 10B intersect.
- the filaments that intersect in this way are accommodated in the flow of one of the two divided tows 10A and 10B toward the downstream side of the transport path 30. For this reason, the amount of filaments present in the division P decreases as it goes downstream of the transport path 30.
- the disk cutter 51 is present at the downstream portion of the division P where the amount of filaments present in the division P has decreased or where the filament has disappeared. Therefore, in the disk cutter 51, only the filament that could not be divided by the dividing device 4 is cut. For this reason, the tow 10 can be sufficiently cut with the disk cutter 51, and an anvil of the disk cutter 51 such as an anvil roll is not required. As described in Patent Document 1, when the tow is cut using an anvil roll and a roll slitter, the roll slitter is pressed against the anvil roll, so that the blade of the roll slitter is easily worn.
- the blade of the disk cutter 51 since the blade of the disk cutter 51 does not contact anything other than the filament, the blade of the disk cutter 51 is less likely to be worn compared to the configuration of Patent Document 1. Therefore, the replacement frequency of the blade of the disk cutter 51 can be reduced.
- the separation distance in the width direction of the tow 10 between the two guide bars 41 is not limited. That is, the distance between the two guide bars 41 may be smaller than, equal to, or greater than the width of the tow 10.
- route 30 of the two guide rods 41 is not limited. That is, the two guide bars 41 may be arranged on the upstream side, the same side, and the downstream side of the transport path 30 with respect to the disk cutter 51.
- the installation position of the guide bar 41 in the transport path 30 is such that the uppermost stream portion of the division P formed in the tow 10 by the two guide bars 41 is located upstream of the disk cutter 51 in the transport path 30. It is determined.
- a disk cutter 51 is disposed between two guide rods 41 that are spaced apart from each other.
- the secondary fiber opening device 6 is a means for opening each of the divided tows 10A and 10B (secondary fiber opening) and relaxing the tension.
- an air opening jet 61 is used as the secondary opening device 6.
- the air opening jet 61 is configured to eject the divided tows 10A and 10B drawn into the apparatus from the nozzle together with the compressed air.
- the air opening jet 61 separates the filaments from the divided tows 10A and 10B, forms them into a desired shape (width and volume), and relaxes the tension. Thereby, the divided tows 10A and 10B that have been secondarily opened by the air opening jet 61 become the opened tow 11 having a desired shape.
- the nozzle shape of the air opening jet 61 is not particularly limited, but is preferably a cylindrical nozzle. If the nozzle of the air opening jet 61 is cylindrical, the cut surfaces of the divided tows 10 ⁇ / b> A and 10 ⁇ / b> B and the cut ends of the filaments generated by the cutting are easily mixed into the opening tow 11. As a result, the cut end of the filament protruding from the opened tow 11 can be eliminated or reduced, and the quality of the opened tow 11 can be further improved.
- the preliminary opening apparatus 2 and the primary opening apparatus 3 are provided for one tow 10, and the secondary opening apparatus 6 has two divided tows 10A and 10B. Is provided against.
- the manufacturing apparatus 1 for the opened body it is sufficient for the manufacturing apparatus 1 for the opened body to have a processing facility for one tow 10 except for the secondary opening apparatus 6. Therefore, compared with the case where two sets of tow veil and its opening processing equipment are provided to manufacture two spread tows as in the prior art, the spread body manufacturing apparatus 1 according to the present embodiment is the initial Costs and running costs can be reduced, and the manufacturing apparatus 1 can be made compact, so that the installation space can be reduced.
- FIG. 4 is a flowchart for explaining a method of manufacturing the spread body.
- the width of the tow 10 is first expanded by the preliminary opening device 2 in the tow 10 that is drawn out from the tow veil and stretched in the longitudinal direction (step S ⁇ b> 1).
- the band-like tow 10 is then primarily opened by the primary opening device 3 (step S2).
- the individual filaments of the tow 10 are separated by the opening roller pairs 31 and 32.
- the primary tow 10 is divided into a plurality of (two) divided tows 10A and 10B by the dividing device 4, and the divided tows 10A and 10B are separated in the width direction (step S3). Further, the filament of the division P formed between the two divided tows 10A and 10B is cut by the cutting device 5 (step S4). Finally, each split tow 10A, 10B is subjected to secondary fiber opening by the secondary fiber opening device 6 (step S5). In this secondary fiber opening, the split tows 10A and 10B are opened and molded so as to have a desired shape (width and volume), and the tension of the split tows 10A and 10B is relaxed to develop crimpability. .
- the manufacturing apparatus 1 includes a vacuum conveyor for relaxing the opening tow tension as in Patent Document 1. There is no need.
- the tow 10 is divided into a plurality of divided tows by the dividing device 4 and then the division P is cut by the cutting device 5, so that the tow 10 is cut without being divided as in Patent Document 1.
- the filament to be cut is remarkably reduced. In other words, it is possible to reduce the number of filaments that have been cut short from the opened tow, which may deteriorate the quality.
- each of the divided tows 10A and 10B is opened by the air opening jet 61 (secondary opening).
- the filaments are sufficiently entangled so that the shape is not easily broken.
- the manufactured opening tow 11 becomes the thing excellent in bulkiness and a soft feeling.
- the cut surfaces of the divided tows 10A and 10B and the cut ends of the filaments generated by the cutting are mixed into the opened tow 11 by secondary opening. Therefore, the cut end of the filament does not protrude from the opened tow.
- Patent Document 1 As described above, according to the method for manufacturing a spread body and the manufacturing apparatus 1 according to the present embodiment, as described in Patent Document 1, it is obtained by cutting after opening one tow. Compared with a plurality of opened tows, it is possible to produce a opened tow that is superior in quality.
- Table 1 shown below shows the manufacturing conditions of the structure according to Example 1 and the open tow constituting the structures according to Comparative Examples 1 and 2.
- the structure according to Example 1 uses the spreader manufacturing apparatus 1 according to the present embodiment to manufacture two spread tows from one tow as described above, and the two spread tows are used. These are laminated vertically with an absorber (SAP: Superabsorbent polymer) in between.
- SAP Superabsorbent polymer
- the structure according to Comparative Example 1 opens one tow with a banding jet and a pair of opening rollers, and uses the anvil roll and roll slitter along the longitudinal direction. Two opened tows are manufactured by cutting, and the two opened tows are stacked one above the other with an absorbent body in between.
- two tows are opened with a pair of opening rollers and an air opening jet to produce two opened tows, and the two opened tows are absorbed in between. They are stacked one above the other with the body in between.
- Table 2 below shows the evaluation results of the properties of the structures according to Example 1 and the structures according to Comparative Examples 1 and 2.
- the evaluation items for the properties of the structure are weight stability, width stability, bulkiness, compression recovery, shape maintenance, thickness unevenness, cut cross-sectional shape, and absorbent body retention.
- the structure according to Example 1 has superior properties as compared with the structure according to Comparative Example 1.
- the structure according to Example 1 has almost the same properties as the structure according to Comparative Example 2.
- the structure according to Comparative Example 2 requires two sets of tow bales and manufacturing equipment in order to produce a spread tow as a material, but the structure according to Example 1 has a spread tow as a material.
- one set of tow veil and its opening processing equipment is sufficient except for the secondary opening apparatus 6. Therefore, the structure according to Example 1 is more advantageous in terms of cost and installation space of manufacturing equipment than the structure according to Comparative Example 2.
- the structure according to Example 1 has a higher TD (total denier) of the tow used for manufacturing the fiber-opening tow used as a material compared with the structure according to Comparative Example 2, and therefore, the fiber opening Tow productivity is high.
- Table 3 below shows the production conditions of the opened tow according to Example 2 and the opened tow according to Comparative Example 3.
- the spread tow according to Example 2 uses the spread body manufacturing apparatus 1 according to the present embodiment to produce two spread tows from one tow as described above, and one of the spread tows. Is taken out.
- the opened tow according to Comparative Example 3 is obtained by opening one tow with a pair of opening rollers and an air opening jet.
- Table 4 below shows the evaluation results of the properties of the opened tow according to Example 2 and the opened tow according to Comparative Example 3. Evaluation items for the properties of the opened tow are basis weight, thickness, tow weight stability, tow width stability, shape maintenance, thickness variation, and cut cross-sectional shape.
- Example 2 As can be read from Table 4, the opened tow according to Example 2 has almost the same properties as the opened tow according to Comparative Example 3. That is, in Example 2, a spread tow having an extremely small basis weight is realized while having almost the same properties as a conventional spread tow.
- the disk cutter 51 that is rotationally driven by the driving unit 52 is used as the cutting device 5, and thus a continuous and stable cutting force can be applied to the continuous tow 10.
- the cutting device 5 is not limited to the disk cutter 51.
- a cutter 55 that is driven back and forth by a drive unit 56 can be used as the cutting device 5.
- the cutting device 5 is not limited to a movable blade, and a blade whose position is fixed with respect to the conveyance path 30 can be used as the cutting device 5.
- one tow 10 is divided into two tows, but one tow 10 may be divided into three or more tows.
- one tow 10 may be divided into three divided tows 10A, 10B, and 10C.
- four guide rods 41 are used as the dividing device 4 for dividing one tow 10 into three divided tows 10A, 10B, 10C.
- two disk cutters 51 are used to cut the division P between adjacent divided tows.
- the preliminary spreader 2 and the primary spreader 3 are provided for one tow 10
- the secondary spreader 6 is divided into three divided tows 10A and 10B. , 10C.
- one tow 10 is divided into three divided tows 10 ⁇ / b> A, 10 ⁇ / b> B, and 10 ⁇ / b> C at substantially the same position in the conveyance path 30, but first, as shown in FIG.
- the tow 10 may be divided into two divided tows 10A and 10B, and one divided tow 10A may be further divided into two divided tows 10A and 10C on the upstream side of the conveyance path 30.
- the dividing device 4 is the two guide bars 41, and this configuration is advantageous in that the dividing device 4 can be configured at low cost and maintenance is easy.
- the dividing device 4 is not limited to the guide bar 41.
- the dividing device 4 can divide the tow 10 into a plurality of divided tows 10A and 10B and guide the movement of the divided tows 10A and 10B so that the divided tows 10A and 10B are separated in the width direction of the tow 10. Anything is possible.
- the dividing device 4 at least two rotating body-shaped guide members that are spaced apart in the width direction of the tow 10 can be used.
- the divided tows 10A and 10B move while contacting the periphery of the rotating guide member, so that friction between the divided tows 10A and 10B and the guide member can be reduced.
- the dividing device 4 at least two cylindrical guide members that are spaced apart in the width direction of the tow 10 can be used. In this case, the divided tows 10A and 10B are inserted through the cylindrical guide member.
- the dividing device 4 at least one block in which a plurality of grooves or passages through which the divided tows 10A and 10B pass can be formed.
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Abstract
Description
捲縮されたトウを前記トウの幅方向に広げることと、
幅方向に広げられた前記トウを一次開繊することと、
一次開繊された前記トウを少なくとも2本の分割トウへ分け離すことと、
前記分割トウの分け目を裁断することと、
前記分割トウを二次開繊することとを含むものである。
幅方向に広げられた前記トウを一次開繊する一次開繊装置と、
一次開繊された前記トウを少なくとも2本の分割トウへ分け離す分割装置と、
前記分割トウの分け目を裁断する裁断装置と、
前記分割トウを二次開繊する二次開繊装置と、を備えているものである。
続いて、本実施形態に係る開繊体の製造装置1を用いて上記製造方法により製造された開繊トウを評価するために行われた実験結果を示す。評価実験1では、2本の開繊トウを間に吸収体を挟んで上下に積層した構造体(実施例1に係る構造体、比較例1及び2に係る構造体)を製造し、これらの構造体の性状を比較した。
評価実験2では、坪量(面積あたりの重量)の極めて小さな開繊トウ(実施例2に係る開繊トウ、比較例3に係る開繊トウ)を製造し、これらの開繊トウの性状を比較した。
以上に本発明の好適な実施の形態を説明したが、上記の構成は例えば以下のように変更することができる。
10 トウ
11 開繊トウ(開繊体)
2 予備開繊装置
21,22 バンディングジェット
3 一次開繊装置
31,32 開繊ローラ対
4 分割装置
41 ガイド棒(ガイド部材)
5 裁断装置
51 円盤カッター
52 駆動部
6 二次開繊装置
61 エア開繊ジェット
30 搬送経路
Claims (12)
- 捲縮されたトウを前記トウの幅方向に広げることと、
幅方向に広げられた前記トウを一次開繊することと、
一次開繊された前記トウを少なくとも2本の分割トウへ分け離すことと、
前記分割トウの分け目を裁断することと、
前記分割トウを二次開繊することと、を含む開繊体の製造方法。 - 前記二次開繊することが、前記分割トウのフィラメントを分離させることと、前記分割トウを成形することと、前記分割トウの張力を緩和することとを含む、請求項1に記載の開繊体の製造方法。
- 前記二次開繊することが、エア開繊ジェットによって前記分割トウのフィラメントを分離させることを含む、請求項1又は2に記載の開繊体の製造方法。
- 前記一次開繊することが、開繊ローラ対によって前記トウのフィラメントを分離させることを含む、請求項1~3のいずれか一項に記載の開繊体の製造方法。
- 前記裁断することが、回転する円盤カッターによって前記分割トウの分け目のフィラメントを裁断することを含む、請求項1~4のいずれか一項に記載の開繊体の製造方法。
- 前記トウを分け離すことが、前記分割トウの移動を案内するガイド部材によって、前記分割トウを前記幅方向に分け離すことを含む、請求項1~5のいずれか一項に記載の開繊体の製造方法。
- 捲縮されたトウを前記トウの幅方向に広げる予備開繊装置と、
幅方向に広げられた前記トウを一次開繊する一次開繊装置と、
一次開繊された前記トウを少なくとも2本の分割トウへ分け離す分割装置と、
前記分割トウの分け目を裁断する裁断装置と、
前記分割トウを二次開繊する二次開繊装置と、を備えている開繊体の製造装置。 - 前記二次開繊装置が、エア開繊ジェットを含んでいる、請求項7に記載の開繊体の製造装置。
- 前記エア開繊ジェットのノズルが円筒状である、請求項8に記載の開繊体の製造装置。
- 前記一次開繊装置が、開繊ローラ対を含んでいる、請求項7~9のいずれか一項に記載の開繊体の製造装置。
- 前記裁断装置が、回転する円盤カッターを含んでいる、請求項7~10のいずれか一項に記載の開繊体の製造装置。
- 前記分割装置が、前記分割トウを前記幅方向に分け離すように、前記分割トウの移動を案内するガイド部材を含んでいる、請求項7~11のいずれか一項に記載の開繊体の製造装置。
Priority Applications (4)
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CN201480072709.0A CN105899719B (zh) | 2014-01-08 | 2014-12-26 | 开纤体的制造方法及制造装置 |
US15/110,353 US9968492B2 (en) | 2014-01-08 | 2014-12-26 | Method of and apparatus for manufacturing bloomed fiber material |
EP14877877.2A EP3093381B1 (en) | 2014-01-08 | 2014-12-26 | Method and apparatus for manufacturing bloomed fiber material |
KR1020167017138A KR101741380B1 (ko) | 2014-01-08 | 2014-12-26 | 개섬체의 제조 방법 및 제조 장치 |
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US14/990,696 Continuation US20160114607A1 (en) | 2013-07-12 | 2016-01-07 | Test chart-forming method, device and non-transitory recording medium, test chart, and image correction method |
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EP (1) | EP3093381B1 (ja) |
JP (1) | JP6184330B2 (ja) |
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JP2020033655A (ja) * | 2018-08-27 | 2020-03-05 | 株式会社ダイセル | 開繊体、開繊体製造装置、及び開繊体の製造方法 |
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CN107002315B (zh) * | 2014-12-09 | 2019-12-06 | 株式会社大赛璐 | 丝束开纤装置、使用其的纤维片材制造装置及纤维片材的制造方法 |
US11371171B2 (en) * | 2016-06-22 | 2022-06-28 | Toray Industries, Inc. | Production method for separated fiber bundle, separated fiber bundle, fiber-reinforced resin molding material using separated fiber bundle, and production method for fiber-reinforced resin molding material using separated fiber bundle |
JP6381009B1 (ja) * | 2018-01-31 | 2018-08-29 | ジャパンマテックス株式会社 | 開繊炭素繊維極細糸の製造装置 |
CN115074886A (zh) * | 2021-03-11 | 2022-09-20 | 株式会社大赛璐 | 丝束开纤体制造装置及丝束开纤体的制造方法 |
CN114232156B (zh) * | 2021-12-22 | 2023-03-14 | 江苏德力化纤有限公司 | 一种开纤聚集形涤纶丝的制备方法 |
CN114197098B (zh) * | 2021-12-23 | 2023-01-24 | 郑州大学 | 一种气流扰动式碳纤维宽展设备 |
US12006180B2 (en) | 2022-01-04 | 2024-06-11 | Charles Fletcher Stewart | Apparatus and method for spliting a tow of carbon fiber filaments |
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- 2014-01-08 JP JP2014001579A patent/JP6184330B2/ja active Active
- 2014-12-26 KR KR1020167017138A patent/KR101741380B1/ko active IP Right Grant
- 2014-12-26 US US15/110,353 patent/US9968492B2/en active Active
- 2014-12-26 EP EP14877877.2A patent/EP3093381B1/en active Active
- 2014-12-26 CN CN201480072709.0A patent/CN105899719B/zh active Active
- 2014-12-26 WO PCT/JP2014/006509 patent/WO2015104788A1/ja active Application Filing
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JPS4864534U (ja) * | 1971-12-07 | 1973-08-16 | ||
JPS564724A (en) * | 1979-06-20 | 1981-01-19 | Nippon Ester Co Ltd | Dividable crimped tow and production |
JPS5725434A (en) * | 1980-07-24 | 1982-02-10 | Asahi Chemical Ind | Tow splitting method |
JP2007021181A (ja) | 2005-06-16 | 2007-02-01 | Kao Corp | 吸収体の製造方法 |
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JP2020033655A (ja) * | 2018-08-27 | 2020-03-05 | 株式会社ダイセル | 開繊体、開繊体製造装置、及び開繊体の製造方法 |
Also Published As
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JP6184330B2 (ja) | 2017-08-23 |
US9968492B2 (en) | 2018-05-15 |
EP3093381A4 (en) | 2017-01-18 |
CN105899719A (zh) | 2016-08-24 |
JP2014221961A (ja) | 2014-11-27 |
CN105899719B (zh) | 2019-04-02 |
KR101741380B1 (ko) | 2017-05-29 |
EP3093381A1 (en) | 2016-11-16 |
EP3093381B1 (en) | 2018-02-21 |
KR20160079923A (ko) | 2016-07-06 |
US20160333507A1 (en) | 2016-11-17 |
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