EP1256541A2 - Produit enroulé et procédé d'enroulage - Google Patents

Produit enroulé et procédé d'enroulage Download PDF

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Publication number
EP1256541A2
EP1256541A2 EP02010055A EP02010055A EP1256541A2 EP 1256541 A2 EP1256541 A2 EP 1256541A2 EP 02010055 A EP02010055 A EP 02010055A EP 02010055 A EP02010055 A EP 02010055A EP 1256541 A2 EP1256541 A2 EP 1256541A2
Authority
EP
European Patent Office
Prior art keywords
core
film
flat board
sheet
winding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP02010055A
Other languages
German (de)
English (en)
Other versions
EP1256541A3 (fr
Inventor
Yoshihisa Daika Kogyo Co. Ltd Haraikawa
Tomohiro Kanto Works of Haraikawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daika Kogyo Co Ltd
Daikin Industries Ltd
Original Assignee
Daika Kogyo Co Ltd
Daikin Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2001137451A external-priority patent/JP2002332164A/ja
Priority claimed from JP2001141663A external-priority patent/JP2002338145A/ja
Priority claimed from JP2001189860A external-priority patent/JP3579008B2/ja
Priority claimed from JP2001394951A external-priority patent/JP2003192236A/ja
Priority claimed from JP2001394945A external-priority patent/JP2003192237A/ja
Priority claimed from JP2002102689A external-priority patent/JP2003292251A/ja
Application filed by Daika Kogyo Co Ltd, Daikin Industries Ltd filed Critical Daika Kogyo Co Ltd
Publication of EP1256541A2 publication Critical patent/EP1256541A2/fr
Publication of EP1256541A3 publication Critical patent/EP1256541A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H18/00—Winding webs
    • B65H18/28—Wound package of webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/18—Constructional details
    • B65H75/22—Constructional details collapsible; with removable parts
    • B65H75/2209—Constructional details collapsible; with removable parts collapsible by use of hinged or slidable parts; foldable without removing parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/18—Constructional details
    • B65H75/28—Arrangements for positively securing ends of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/414—Winding
    • B65H2301/4143—Performing winding process
    • B65H2301/41432—Performing winding process special features of winding process
    • B65H2301/414325—Performing winding process special features of winding process winding a core in-line with the web, e.g. wound core made out of sheet material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2402/00—Constructional details of the handling apparatus
    • B65H2402/40—Details of frames, housings or mountings of the whole handling apparatus
    • B65H2402/41—Portable or hand-held apparatus
    • B65H2402/412—Portable or hand-held apparatus details or the parts to be hold by the user, e.g. handle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2515/00—Physical entities not provided for in groups B65H2511/00 or B65H2513/00
    • B65H2515/12—Density
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/175—Plastic
    • B65H2701/1752—Polymer film
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/50—Storage means for webs, tapes, or filamentary material
    • B65H2701/51—Cores or reels characterised by the material
    • B65H2701/511—Cores or reels characterised by the material essentially made of sheet material
    • B65H2701/5112—Paper or plastic sheet material

Definitions

  • This invention relates to a roll product of a plastic film such as stretch film for packaging, food wrapping film, or a plastic sheet for e.g. packaging container, wound around a tubular member formed of flat cardboard instead of a paper tube, and a winding method for manufacturing roll products.
  • a plastic film such as stretch film for packaging, food wrapping film, or a plastic sheet for e.g. packaging container, wound around a tubular member formed of flat cardboard instead of a paper tube, and a winding method for manufacturing roll products.
  • Plastic films and sheets for packaging such as stretch film used to prevent collapse of articles on pallets and food wrapping film are 300 mm to 500 mm wide and usually as long as several hundred meters. Thus, in order to roll it into a roll product, a paper tube having a high strength is usually used as a core.
  • a coreless roll product in which the winding density is increased at the wind-start portion, i.e. the radially central portion of the roll product and the plastic film is wound with the high-density central portion as a core.
  • wound film is often in close contact with adjacent layer at the high-density central portion, so that it cannot be used to the last. Thus, this portion becomes a waste. Also, as the end of use becomes near, the shape retainability of the roll itself worsens, so that the work of wrapping the film around an article while pulling the film becomes difficult.
  • the stretch film since the stretch film is usually formed of a polyolefin resin having a thickness of about 18 ⁇ m and a width of 500 mm and it is wound onto the core while imparting a tension of 5-8 kg/m, a large residual stress is produced in the stretch film that has been wound onto the core. Therefore, during storage after winding, the core itself may be destroyed by compression, or if it is left in a high-temperature atmosphere for a long time, winding displacement in the axial direction of the core may develop, thus lowering its commercial value.
  • An object of this invention is to provide a roll product which does not use a paper tube for its core, which makes it possible to discard the used core without difficulty, which makes it possible to use a wound long strip of sheet or film to the last inch without waste, and which will not develop compressive destruction of the core or winding displacement.
  • the core is formed by cylindrically bending a flat board of a material which can be developed into a flat board.
  • the core By forming the core by cylindrically bending the flat board, it can be returned to a flat board state after use. Thus it is not so bulky as conventional paper tubes, so that it can be easily discarded or recycled.
  • the material for the flat board by selecting one having required strength or rigidity, since the cylindrically bent flat board has shape retainability necessary for the core with the sheet or film wound therearound, it is possible to use up the wound sheet or film to the last.
  • the core may be formed by joining together both side edges of the bent flat board.
  • the shape retainability of the core further improves.
  • the core may be formed with a gap provided between both side edges of the bent flat board.
  • the wound sheet or film By forming the core with a gap provided between the side edges of the flat board, the wound sheet or film enters the gap between the side edges of the flat board. By the interposition of the sheet or film, circumferential displacement of both sides is prevented. After winding, in the process of pulling out the sheet or film, the core retains the cylindrical shape and it is possible to prevent its inner diameter from decreasing. This makes it possible for the wound sheet or film to be shape-retained along the core even at the end of use and thus to use it with a tensile force applied to the last.
  • the core may be formed with both side edges of the bent flat board abutting each other.
  • the core retains the cylindrical shape and it is possible to prevent its diameter from decreasing.
  • the core By biting the end of sheet or film into the core through between side edges of the cylindrically bent flat board, interposition of the sheet or film will serve as a slip stop, thereby preventing circumferential displacement of the core.
  • the core In the process of pulling the sheet or film after winding, the core can retain the cylindrical shape, its inner diameter will not decrease, and it is possible to prevent the core from moving in the axial direction.
  • the sheet or film due to frictional force acting between its end, flat board and the mandrel of the winding machine, even if it is not fastened to the core using an adhesive or the like, the sheet or film can be wound without slipping.
  • the flat board is preferably formed of cardboard.
  • Two or more flat boards may be used to form a core by putting one on another around the mandrel of a winding machine.
  • the wound film is a stretch film, it is preferably wound with the tension during winding restricted such that when a cut having a depth of 10 mm or over is formed in the wound stretch film roll over the entire width in the axial direction, the width of widening of the cut produced due to residual stress in the stretch film is 5 mm or less.
  • Caps each having a fitting portion and a flange portion are preferably fitted in both ends of the core.
  • the core is radially restricted at both ends, so that its shape retainability improves. Even if the width of the sheet or film increases, in the process of pulling out the sheet or film after winding, it is possible to prevent the inner diameter of the core from decreasing.
  • the core is also restricted in the axial direction at its both ends by the flange portions of the caps, in the process of pulling out the sheet or film, it is possible to reliably prevent the core from coming out of the roll of wound sheet or film.
  • Both ends of the core preferably protrude from both ends of the wound and superposed sheet or film.
  • the caps can be easily fitted in the core. Also, since the flange portions of the caps do not contact the end faces of the wound sheet or film, in the process of using the sheet or film by pulling it out, the ends of the sheet or film will not contact the flange portions of the caps, so that there will be no trouble of pulling out.
  • Figs. 1 and 2 show a roll product 1 embodying the present invention.
  • the roll product 1 is made by winding a long strip of plastic sheet or film 4 onto a core formed by bending a flat board 2 of cardboard with a gap 3 formed between side edges thereof, with its end portion 4a inserted into the inner side of the bent flat board 2 through the gap 3.
  • the tapered end portion 4a of the rolled sheet or film 4 which is set on a spool 6 of a winding machine, is put on the outer peripheral surface of a mandrel 5 of the winding machine.
  • the flat board 2 of cardboard having such a length B that when wound around the mandrel 5, the gap 3 exists between both side edges, is supplied with its end slightly bent, inside of the sheet or film 4 so as to contact the outer peripheral surface of the mandrel 5.
  • the roll product 1 of a long strip of plastic sheet or film is thus obtained in which as shown in Figs. 1 and 2, without using a conventional paper tube, the core 2a is formed by bending the flat board 2 of cardboard.
  • the core 2a can be developed into a flat board after use.
  • a sheet of a synthetic resin such as polyethylene or polypropylene can be used.
  • the embodiment of this invention has the above-described structure, of which the operation will be described below.
  • the core 2a since for the core 2a, a material that it can be returned to a flat plate, such as cardboard, is selected, it is not so bulky as conventional paper tubes and can be easily discarded or recycled. Also, since the larger the thickness of paper, the higher its rigidity, if cardboard is used as the flat board 2, the shape retainability required as the core is obtained.
  • the sheet or film disposed in the gap 3 serves as a slip stop.
  • both side edges will not slip on each other even if both side edges are not bonded together with an adhesive, so that it is possible to retain the cylindrical shape.
  • the core 2a will not break or shrink. It is also possible to prevent axial displacement of the core 2a. This makes it possible to use the wound long strip of film or sheet to the last inch with a tensile force applied thereto.
  • the end of sheet or film 4 can be caught in the cylinder of the core 2a merely by putting the end portion 4a of the film or sheet 4 on the outer periphery of the mandrel 5, feeding the flat board 2 into inside of the sheet or film in contact with the outer periphery of the mandrel 5 and turning the shaft 7 of the mandrel.
  • the slip-stop effect by the end of film caught eliminates the need of bonding the side edges of the flat board together and fastening the end portion 4a of the film 4 to the core 2a. This simplifies the winding work for the roll.
  • the end portion 4a of the film 4 may not be tapered as shown in Fig. 3 but be left straight.
  • Figs. 8A and 8B show a roll 1a of another embodiment in which the length B of the flat board 2 is longer than in the embodiment of Fig. 3 so that its side edges will overlap each other, and the end portion 4a of the film 4 gets caught through the overlapped portion into inside of the flat board 2.
  • the slip-stop effect by the end portion 4a of the film 4 caught at the overlapped portion prevents the side edges of the flat board 2 from slipping on each other and prevents the core 2a from shrinking and prevents axial displacement of the core 2a.
  • Figs. 9A and 9B show a roll product 1b of the third embodiment.
  • a flat board 2 of cardboard is placed along the mandrel 5 of the winding machine, and bent so that a gap 3 is present between its both side edges to form a core 2a, and the end portion of sheet or film 4 is fastened to the core 2a and the film is wound around the core 2a.
  • the sheet or film 4 is received in the gap 3 between the side edges of the flat board 2. This prevents circumferential displacement of the side edges, so that in the process of unrolling the sheet or film 4, it is possible to prevent the inner diameter of the core 2a from decreasing. Also, since the end portion 4a of the sheet of film 4 is fastened to the core 2a, it can be wound without slipping, so that after winding, axial displacement of the core 2a is prevented. Thus it is possible to use the sheet or film 4 to the last centimeter with a tensile force applied thereto.
  • Fig. 10 shows a roll product 1c of the fourth embodiment.
  • a flat board 2 of cardboard is cylindrically bent along the mandrel 5 of the winding machine so that both side edges of the thus bent flat board 2 will abut together to form a core 2a, and the end of the sheet or film 4 is fastened to the core and the film is wound.
  • the core 2a will retain its cylindrical shape and will not shrink. Thus, it can be used up to the last millimeter with a tensile force applied thereto.
  • Fig. 11 shows an example of the core 2a of a roll product of another embodiment. As shown by chain line in Fig. 12, it is formed by cylindrically bending a rectangular flat board 2 and bonding both side edges together with an adhesive 9.
  • Fig. 13 shows another example of the core 2a. As shown by chain line in Fig. 14, it is formed by cylindrically bending a rectangular flat board 2 and bonding both side edges together with an adhesive tape 10.
  • These flat boards 2 can be cylindrically bent by putting them on a cylinder or mandrel of a winding machine. As described above, by joining both sides, the core 2a is formed. By winding sheet or film 4 thereon, a roll product can be produced.
  • the flat board 2 may be cylindrically bent beforehand, its both sides be joined together and it may be mounted on the mandrel of a winding machine. By joining both sides of the flat board 2 with an adhesive or an adhesive tape, the shape retainability of the core 2a further improves.
  • Figs. 15-17 show a roll product 1d of the fifth embodiment.
  • this roll product 1d as with the roll product 1a shown in Figs. 8A and 8B, on a core 2a formed by cylindrically bending a flat board 2 of cardboard with an overlap 2b between both side edges of the flat board 2, a long strip of sheet or film 4 is wound with its end portion 4a getting caught into the inner side of the core 2a through between both side edges overlapped.
  • caps 8 formed of a synthetic resin are mounted at both ends of the core 2a.
  • Each cap 8 comprises a fitting portion 8a and a flange portion 8b provided at one end thereof. Their flange portions 8b are in abutment with the end faces of the core 2a. Since both ends of the core 2a protrude from both ends of the wound sheet or film 4, gaps s are present between both ends of the sheet or film 4 and the flange portions 8b of the caps 8.
  • the shape retainability of the core 2a improves, so that after winding, in the process of unwinding the sheet or film 4 for use, the core 2a is prevented from shrinking. As the width of the film or sheet increases, this is more effective.
  • caps 8 having fitting portions 8a of different lengths according to the width of the sheet or film, i.e. the length of the core 2a it is possible to more effectively cope with a wide sheet or film 4.
  • the fitting portions 8a of the caps 8 are fitted in the core 2a at both ends thereof with the flange portions 8b in abutment with the end faces of the core 2a, the latter is also restricted in the axial direction.
  • the core 2a after winding, in the process of unwinding the sheet or film 4, it is possible to reliably prevent the core 2a from displacing in the axial direction or from coming off the wound roll product 1d.
  • the caps 8 may be fitted into its both ends.
  • the caps may be fitted into both ends of the core 2a.
  • the end of sheet or film 4 gets caught in the gap 3 to prevent circumferential displacement of the flat board 2, so that slip-stop effect is achieved.
  • the caps 8 may be fitted into both ends of the core 2a.
  • the slip stop effect of the sheet or film 4 caught in the gap 3 of the cylindrically bent flat board 2 improves the shape retainability of the core 2a, in addition to the fact that the caps 8 are fitted.
  • the fact that both abutting side edges of the flat board 2 will not slip on each other, as well as the fact that the caps 8 are fitted improves the shape retainability of the core 2a. After winding, in the process of unwinding the sheet or film for use, the core 2a will not shrink and it is possible to use the wound sheet or film to the last inch with a tensile force applied.
  • Figs. 19 and 20 show another embodiment which is substantially the same in other embodiments except that two flat boards 2a, 2b are used to form a core, put one on another around the mandrel of a winding machine.
  • One of the flat boards may have a smaller width than the width of the film wound.
  • Table 1 shows the results of tests in which the influence of the tension applied to stretch film during winding on winding shrinkage and winding displacement was examined for roll products of stretch film.
  • a polyolefin resin stretch film having a thickness of 15 ⁇ m and a width of 500 mm was wound by a winding machine to a length of 300 meters while adjusting the speed between the mandrel 5 and the spool 6.
  • Setting the tension per unit width applied to the stretch film was set to three different values, 8 kg/m, 5 kg/m and 0.5 kg/m, various rolls of stretch film were made by winding it onto paper tubes having different thicknesses and an inner diameter of 3 inches. After leaving them for four hours in a 40 °C atmosphere, they were checked on whether the paper tubes were destroyed due to winding shrinkage or whether winding displacement occurred.
  • the degree of residual stress in the stretch film i.e. the degree of winding shrinkage.
  • the stretch film is wound with as light tension applied to the stretch film as possible, the residual stress in the stretch film and winding shrinkage decrease.
  • a high-strength paper tube is used as the core.
  • no compressive destruction of the core due to winding shrinkage will occur.
  • no winding displacement will occur.
  • the core is formed by cylindrically bending a flat board made of cardboard or synthetic resin sheet, it can be returned to a flat board after use. Thus, it is not so bulky as conventional paper tubes and can be easily discarded or recycled.
  • both side edges of the flat board are prevented from slipping on each other by providing the gap between both side edges of the cylindrically bent flat board with the end of the film received in the gap, abutting both side edges, or biting the end portion of the sheet or film into the cylinder.
  • the core has the shape retainability required.
  • the caps each having the fitting portion and the flange portion are fitted in both ends of the core, the core is restricted in the radial direction, so that the shape retainability improves.
  • the width of the sheet or film is large, in the process of using the sheet or film by pulling it out, it is possible to prevent the inner diameter of the core from decreasing.
  • the core is restricted in the axial direction, too, at its both ends by the flange portions of the caps, it is possible to reliably prevent the core from moving in the axial direction or from coming out.

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  • Storage Of Web-Like Or Filamentary Materials (AREA)
EP02010055A 2001-05-08 2002-05-06 Produit enroulé et procédé d'enroulage Withdrawn EP1256541A3 (fr)

Applications Claiming Priority (12)

Application Number Priority Date Filing Date Title
JP2001137451A JP2002332164A (ja) 2001-05-08 2001-05-08 ロール製品
JP2001137451 2001-05-08
JP2001141663A JP2002338145A (ja) 2001-05-11 2001-05-11 ロール製品
JP2001141663 2001-05-11
JP2001189860A JP3579008B2 (ja) 2001-06-22 2001-06-22 ストレッチフィルムのロール体
JP2001189860 2001-06-22
JP2001394951A JP2003192236A (ja) 2001-12-26 2001-12-26 ロール製品とその巻き取り方法
JP2001394945 2001-12-26
JP2001394945A JP2003192237A (ja) 2001-12-26 2001-12-26 ロール製品
JP2001394951 2001-12-26
JP2002102689A JP2003292251A (ja) 2002-04-04 2002-04-04 ロール製品
JP2002102689 2002-04-04

Publications (2)

Publication Number Publication Date
EP1256541A2 true EP1256541A2 (fr) 2002-11-13
EP1256541A3 EP1256541A3 (fr) 2003-07-16

Family

ID=27554935

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02010055A Withdrawn EP1256541A3 (fr) 2001-05-08 2002-05-06 Produit enroulé et procédé d'enroulage

Country Status (5)

Country Link
US (1) US20020190152A1 (fr)
EP (1) EP1256541A3 (fr)
KR (1) KR20020085834A (fr)
CN (1) CN1384036A (fr)
AU (1) AU3703502A (fr)

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FR2850094A1 (fr) * 2003-01-20 2004-07-23 Cpc Technologies Dispositif de maintien pour rouleau tubulaire de matiere et rouleau muni d'un tel dispositif
WO2005092759A2 (fr) * 2004-03-23 2005-10-06 Solly Katz Methode de production d'un rouleau de papier et distributeur pour distribuer un rouleau de papier
WO2009013671A1 (fr) * 2007-07-26 2009-01-29 The Procter & Gamble Company Structures fibreuses comprenant des zones d'adhésion discrètes et leurs procédés de fabrication
ITMI20100296A1 (it) * 2010-02-24 2011-08-25 Rotomac S R L Procedimento e macchina per la realizzazione di rotoli di materiale d'uso in foglio, particolarmente alluminio per impieghi alimentari, con un'anima cilindrica cava.
EP2266904A3 (fr) * 2009-06-24 2011-09-14 Elsner Engineering Works Inc Rouleau de feuilles avec noyau de renforcement de bobine, appareil pour enrouler le rouleau et procédé
WO2016132168A1 (fr) * 2015-02-16 2016-08-25 Sca Tissue France Rouleau sans mandrin et son procédé de fabrication
CN109896349A (zh) * 2019-03-28 2019-06-18 保定易通光伏科技股份有限公司 一种轴装焊带及绕带方法
DE102022134649A1 (de) 2022-12-22 2024-06-27 KOB GmbH Rolle einer medizinischen Bandage

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ITFI20050086A1 (it) * 2005-05-02 2006-11-03 Perini Fabio Spa Rotolo di materiale nastriforme senza anima di avvolgimento centrale, macchine e metodo per la sua produzione
US20100320302A1 (en) * 2009-06-23 2010-12-23 Catbridge Machinery, Llc In-Line Formed Core Supporting a Wound Web
US9290348B2 (en) 2010-12-17 2016-03-22 3M Innovative Properties Company Open gap film roll core
US9309078B2 (en) * 2011-01-14 2016-04-12 Tarkett Inc. Rolled sheets of floor covering and manufacture
CN102701019A (zh) * 2012-07-11 2012-10-03 世联汽车内饰（苏州）有限公司 一种用于皮革或纺织品的卷取管
JP6440155B2 (ja) * 2013-01-23 2018-12-19 デクセリアルズ株式会社 フィルム梱包体、フィルム梱包方法
CN103612420B (zh) * 2013-11-12 2016-04-20 江苏众邦包装制品有限公司 一种碳纤维专用防滑缠绕纸管的制备方法
CN104852063B (zh) * 2014-02-13 2018-01-12 旭化成株式会社 卷状高分子电解质膜包装体及其制造方法、以及捆包物
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JP6423808B2 (ja) * 2016-02-10 2018-11-14 株式会社ジャパンディスプレイ 表示装置
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EP1380526A3 (fr) * 2002-07-10 2005-01-19 Fuji Tekko Co., Ltd Méthode pour enrouler une bande et son dispositif
EP1380526A2 (fr) * 2002-07-10 2004-01-14 Fuji Tekko Co., Ltd Méthode pour enrouler une bande et son dispositif
FR2850094A1 (fr) * 2003-01-20 2004-07-23 Cpc Technologies Dispositif de maintien pour rouleau tubulaire de matiere et rouleau muni d'un tel dispositif
WO2005092759A2 (fr) * 2004-03-23 2005-10-06 Solly Katz Methode de production d'un rouleau de papier et distributeur pour distribuer un rouleau de papier
WO2005092759A3 (fr) * 2004-03-23 2006-04-13 Solly Katz Methode de production d'un rouleau de papier et distributeur pour distribuer un rouleau de papier
WO2009013671A1 (fr) * 2007-07-26 2009-01-29 The Procter & Gamble Company Structures fibreuses comprenant des zones d'adhésion discrètes et leurs procédés de fabrication
US8540181B2 (en) 2009-06-24 2013-09-24 Elsner Engineering Works, Inc. Foil roll with wound stiffening core, apparatus for winding the roll and method
EP2266904A3 (fr) * 2009-06-24 2011-09-14 Elsner Engineering Works Inc Rouleau de feuilles avec noyau de renforcement de bobine, appareil pour enrouler le rouleau et procédé
ITMI20100296A1 (it) * 2010-02-24 2011-08-25 Rotomac S R L Procedimento e macchina per la realizzazione di rotoli di materiale d'uso in foglio, particolarmente alluminio per impieghi alimentari, con un'anima cilindrica cava.
WO2016132168A1 (fr) * 2015-02-16 2016-08-25 Sca Tissue France Rouleau sans mandrin et son procédé de fabrication
RU2670038C1 (ru) * 2015-02-16 2018-10-17 ЭсСиЭй ТИШЬЮ ФРАНС Бесстержневой рулон и способ изготовления
US10463204B2 (en) 2015-02-16 2019-11-05 Essity Operations France Coreless roll and a manufacturing method
CN109896349A (zh) * 2019-03-28 2019-06-18 保定易通光伏科技股份有限公司 一种轴装焊带及绕带方法
CN109896349B (zh) * 2019-03-28 2024-04-23 保定易通光伏科技股份有限公司 一种轴装焊带及绕带方法
DE102022134649A1 (de) 2022-12-22 2024-06-27 KOB GmbH Rolle einer medizinischen Bandage

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CN1384036A (zh) 2002-12-11
KR20020085834A (ko) 2002-11-16

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