US20080217453A1 - Roll With a Means for Holding Windings - Google Patents

Roll With a Means for Holding Windings Download PDF

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Publication number
US20080217453A1
US20080217453A1 US11/916,491 US91649106A US2008217453A1 US 20080217453 A1 US20080217453 A1 US 20080217453A1 US 91649106 A US91649106 A US 91649106A US 2008217453 A1 US2008217453 A1 US 2008217453A1
Authority
US
United States
Prior art keywords
roll
windings
winding
sheet
bonding agent
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.)
Abandoned
Application number
US11/916,491
Other languages
English (en)
Inventor
Yves-Michel Malecot
Joel Hungler
Bernard Ingert
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.)
Essity Operations France SAS
Original Assignee
Georgia Pacific France SAS
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=35744598&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=US20080217453(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Georgia Pacific France SAS filed Critical Georgia Pacific France SAS
Assigned to GEORGIA-PACIFIC FRANCE reassignment GEORGIA-PACIFIC FRANCE ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HUNGLER, JOEL, INGERT, BERNARD, MALECOT, YVES-MICHEL
Publication of US20080217453A1 publication Critical patent/US20080217453A1/en
Abandoned 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
    • B65H19/00—Changing the web roll
    • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
    • B65H19/2276—The web roll being driven by a winding mechanism of the coreless type
    • 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
    • B65H19/00—Changing the web roll
    • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
    • B65H19/2238—The web roll being driven by a winding mechanism of the nip or tangential drive type
    • B65H19/2246—The web roll being driven by a winding mechanism of the nip or tangential drive type and the roll being supported on two rollers
    • 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
    • B65H2301/4148—Winding slitting
    • B65H2301/41486—Winding slitting winding on two or more winding shafts simultaneously
    • B65H2301/414866—Winding slitting winding on two or more winding shafts simultaneously on bed rollers
    • 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
    • B65H2701/18—Form of handled article or web
    • B65H2701/184—Wound packages
    • B65H2701/1844—Parts concerned
    • B65H2701/18442—Core

Definitions

  • the invention relates to the field of products made of absorbent paper, tissue paper, or other similar material such as a nonwoven, the products being presented as rolls and intended for drying.
  • the invention relates in particular to the field of products for sanitary or household use, such as rolls of paper for drying, hand towel rolls, or toilet paper rolls.
  • the rolls are made up of a continuous sheet that includes one or several plies.
  • the sheet is optionally pre-cut into successive sections in the winding direction, and is rolled up axially, preferably around a support, a spindle for example, that may or may not support a core; thus the roll may or may not include a central core.
  • the sheet of the outer winding can be unwound from the periphery of the roll, in the winding direction. In this case, it is said that this is a roll for tangential unwinding. After having, if applicable, removed the core, the sheet of the inner winding can be unwound through the inside, from the center, in the axial direction, perpendicular to the winding direction of the roll. In the latter case, the roll is a center pull type roll.
  • the collapsing of the walls of the central hole can create a problem. Indeed, due to the more or less strong pull exerted on the sheet during rolling up and due to the elasticity of the sheet, a tightening occurs which tends to ease up in the central area upon extraction of the roll from the support that was used for winding. This collapsing can also occur in the event of saw cutting or during roll handling. This is also known to happen with rolls from which the core was previously extracted.
  • the solution includes forming a leader for grabbing purposes by laterally moving the free end of the sheet, in such a way that it juts out of one of the sides of the roll.
  • the walls of the roll can collapse at any time and result in the forming of a jamming around the dispensing aperture, thus preventing its continuous use.
  • a bonding agent applied onto the first windings of a reel makes it possible to create a well-formed hole, whose aspect is dependent on the profile of the spindle.
  • spindles with a polygonal, grooved, or cylindrical section are used. These spindles lead to the forming of a hole with a corresponding profile.
  • the walls are no longer held in place; thus they can collapse during use or at any other time.
  • a bonding agent can be applied onto at least one of the two vertical sides of a roll, or onto at least one of the edges of a sheet.
  • these means can not efficiently avoid collapsing during dispensing, in particular for large size products.
  • the invention proposes a solution that avoids the disadvantages of the previous solutions.
  • a coreless roll comprising a flexible material sheet, such as an absorbent fibrous material, formed by winding of the sheet around a winding axis that creates a hole in the center and that presents a first set of windings bonded to each other, is characterized by the fact that it includes a second set of non bonded windings, between the center hole and the first set.
  • One winding corresponds to one rotation inside the roll.
  • the bonded windings are windings that are connected to each other by any bonding means, including water, but whose separation from one another remains easily accomplished under normal usage conditions for the unwinding.
  • the solution under the invention has the advantage that it can be implemented very simply, by placing the bonding means, for example spraying a liquid substance, in an appropriate manner during winding of the sheet. No additional arrangement needs to be provided.
  • the liquid substance is water or an aqueous adhesive substance.
  • the number of non bonded windings of the second set is higher than or equal to two. It is preferably less than the number of windings corresponding to 10% of the roll length.
  • the solution under the invention applies in particular to rolls of the tight winding type, which permit the manufacture of dense rolls called compact rolls.
  • Such rolls can be manufactured for use under center pull conditions, preferably with one free end of the first winding from the central hole, exceeding the side of the roll, or for use under tangential unwinding conditions.
  • the roll comprises at least one additional set of windings bonded to each other, between the first set of bonded windings and the periphery of the roll, these sets of bonded windings being separated from each other by non bonded windings.
  • This succession of non bonded windings and sets of bonded windings can be repeated at will based on needs, and depending on the non-collapsibility of the winded material and on the greater or smaller size of the reel.
  • This solution also presents the advantage of avoiding the collapse of the walls when a large part of the roll has already been used up and when the hole has become sizeable.
  • the bonding agent application can vary between each roll and between each bonded winding of the same roll, both as to the nature of the bonding agent, the area covered, the quantity, the length and as to the position of the bonding agent.
  • An object of the invention is also a roll manufacturing process, wherein a sheet is winded around a winding axis, and a bonding agent is applied so as to bond windings to each other, after forming a specific number of windings that are not bonded to each other.
  • the non bonded windings are the first windings formed upon winding around the winding axis.
  • FIG. 1 represents, in diagram form, a paper roll as claimed by the invention
  • FIGS. 2 to 4 show a manufacturing process for rolls based on a parent roll
  • FIG. 5 shows a means for forming a center pulling leader.
  • FIG. 1 shows a roll 1 lying on one of the lateral sides forming one of its “flanks.”
  • this can be a drying paper roll for center pulling, from which the core, if any, was removed.
  • Sheet F is rolled up continuously starting at the center.
  • the FIGURE represents the inner end of the roll with the first sheet F 1 partially extracted.
  • the central hole will have a natural tendency to close. It then becomes difficult to grab the end of the first sheet alone.
  • the sheets can be glued to each other near the first windings. However, while the windings that form the periphery of the central hole are consolidated, there remains, in this interconnected area, the difficulty of individually grabbing the sheet constituting the first winding.
  • the risk of collapse is reduced by forming a bonded area, but by leaving the sheets of the very first windings bonding-free, so that the user will find it easy to start off the reel.
  • the bonded area is defined so as to guarantee a sufficient cohesiveness between the windings to ensure that the roll holds up well while permitting an easy separation of these windings under normal unwinding conditions.
  • an initial set 10 is shown in thick lines where the windings are bonded to each other.
  • the walls of the central hole are reinforced by bonding a number of windings to each other, however, the first sheet(s) constituting at least the first two windings remain(s) free and can thus be grabbed without any difficulty.
  • the walls of the reel are consolidated with at least one, or preferably several, additional and noncontiguous set(s) ( 11 , 12 ) of bonded windings; their number essentially depends on the dimensions of the roll.
  • the sets of noncontiguous bonded windings ( 10 , 11 , 12 ) are separated from each other by non bonded windings ( 21 , 22 ).
  • the one or several set(s) of bonded windings comprise a number of windings ranging from 4 to 20.
  • the first 20 windings will be kept free and a single first set of 15 bonded windings will be necessary.
  • FIG. 2 shows the diagram of a manufacturing process for rolls.
  • a parent roll 103 made of tissue paper for example, is unwound at its support.
  • Sheet F is driven toward the roll forming station.
  • the parent roll 103 has a width of 2.60 m for example.
  • the sheet is cut longitudinally in relation to its running direction by means of knife blades 105 .
  • a sheet with a width of 2.60 m can be cut into 13 strips 100 that are 20 cm wide.
  • the strips 100 are guided to make them come to a set of two cylinders 107 and 109 that are laid out side by side.
  • a spindle 111 that may or may not be outfitted with cores, is placed onto strips 100 , near the hollow created between the two cylinders 107 and 109 , upstream of the downstream ends 100 A.
  • a means 115 displaces the ends 100 A of strips 100 above the spindle 111 that may or may not be outfitted with a core.
  • this means comprises air jets that are suitably directed. It can be seen from FIG. 3 that the end is in the process of being flipped back.
  • a supporting cylinder 113 whose function is to hold the ends 100 A onto the spindle 111 that may or may not be outfitted with cores, as well as spindle 111 that may or may not be outfitted with cores onto the two cylinders 107 and 109 , and to compress the sheet during winding.
  • the rotary drive of at least one of cylinders 107 , 109 or 113 is commanded; this drives spindle 111 as well as strips 100 . Rewinding starts and rolls 110 ′ are formed.
  • a bonding agent applying means 118 for connecting the windings to each other can be water, but an adhesive substance can also be used.
  • This means is for example placed upstream from cylinders 107 and 109 , and applies the bonding agent on the surface of sheets 100 .
  • the applying means is preferably a sprayer.
  • the surface of the sheet that receives the sprayed liquid, the amount applied, the continuous or discontinuous application mode, in particular, are determined according to need. Due to the pressure exerted onto the sheet during winding, water for example permits, in the areas of contact of the windings between each other, the forming of bonds between the tissue fibers. These bonds permit the connecting of the windings. However, this connection is accomplished in such a way as to ensure an easy separation of the bonded windings during normal unwinding operation either through the center or tangentially.
  • the applying of the bonding agent may or may not be interrupted until the rolls are formed.
  • the applying of the bonding agent is temporarily interrupted and subsequently resumed so as to form another set of bonded windings, separated from the first one by a set of non bonded windings.
  • This succession of non bonded and bonded windings may be repeated at will. It is understood that the selection of the number of bonded winding sets depends on the targeted objective, on their frequencies, and on the dimensions of the roll. A wide roll with a large diameter shall incorporate several areas to accommodate the unwinding and to prevent the walls from collapsing when in use or at any other time.
  • the bonding agent application varies between each roll or between each bonded winding of the same roll, according to at least one of the following parameters: nature of the bonding agent deposited, its quantity, its position in relation to the sheet, the surface, or the shape covered.
  • the spindle-and-rolls set is taken away.
  • the plurality of strips 100 is cut by means of a transversal knife. After winding of the end of strips 100 , the rolls are extracted. In the case of a coreless roll, this operation will be facilitated by the use of a conical spindle or, as is known from the prior art, by the use of a mechanized spindle with an adjustable diameter. In order to permit an easier extraction, these spindles may or may not be coated with a coating that reduces their coefficient of friction.
  • a cylinder without any longitudinal cutting 105 is formed upstream from the winding. Upon extraction of the winding support, this cylinder is sawn off into individual rolls.
  • the technique detailed in the two patent applications filed on behalf of this applicant WO2005/005295 and FR04 05022 is applied.
  • the objective is to create a leader for grabbing purposes by displacing, laterally in relation to the running direction, the end of sheet 110 A constituting the first winding. This portion then juts out from the roll and ensures that the sheet will be extracted without any problem.
  • FIG. 5 Another process for forming a leader for unwinding purposes is represented on FIG. 5 .
  • a cylinder 200 with a diameter less than that of the central hole has perforations 210 . It is connected to a vacuum source not shown in the FIGURE.
  • cylinder 200 is introduced into the central hole and the inside of the cylinder is placed in the suction mode. As the first winding is free, it is drawn against cylinder 200 due to the suction. Cylinder 200 is then rotated by a fraction of a rotation on itself in a predetermined direction, it is then extracted from the roll. The sheet is then driven by the movement. When the extracted sheet exceeds the desired length from the side of the roll, the vacuum is cut and the cylinder is taken away. The roll is thus ready for use.

Landscapes

  • Sanitary Thin Papers (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)
  • Winding Of Webs (AREA)
  • Unwinding Webs (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Adhesive Tapes (AREA)
  • Storage Of Fruits Or Vegetables (AREA)
  • Manufacturing And Processing Devices For Dough (AREA)
  • Paper (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Lubricants (AREA)
  • Replacement Of Web Rolls (AREA)
US11/916,491 2005-06-08 2006-06-07 Roll With a Means for Holding Windings Abandoned US20080217453A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0551545A FR2886929B1 (fr) 2005-06-08 2005-06-08 Rouleau avec moyen de maintien des spires
FR0551545 2005-06-08
PCT/FR2006/001285 WO2006131644A1 (fr) 2005-06-08 2006-06-07 Rouleau avec moyen de maintien des spires

Publications (1)

Publication Number Publication Date
US20080217453A1 true US20080217453A1 (en) 2008-09-11

Family

ID=35744598

Family Applications (1)

Application Number Title Priority Date Filing Date
US11/916,491 Abandoned US20080217453A1 (en) 2005-06-08 2006-06-07 Roll With a Means for Holding Windings

Country Status (13)

Country Link
US (1) US20080217453A1 (de)
EP (1) EP1893513B2 (de)
AT (1) ATE417013T1 (de)
CA (1) CA2611073C (de)
DE (1) DE602006004209D1 (de)
DK (1) DK1893513T3 (de)
ES (1) ES2318770T5 (de)
FR (1) FR2886929B1 (de)
MX (1) MX2007015545A (de)
PT (1) PT1893513E (de)
RU (1) RU2397135C2 (de)
SI (1) SI1893513T1 (de)
WO (1) WO2006131644A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3688226B1 (de) * 2017-09-29 2021-11-24 Essity Hygiene and Health Aktiebolag Kernlose rolle eines saugfähigen blatts und verfahren zur herstellung davon
RU2754029C1 (ru) * 2017-09-29 2021-08-25 Эссити Хайджин Энд Хелт Актиеболаг Рулон абсорбирующего листа без втулки и способ его изготовления
EP3688224B1 (de) * 2017-09-29 2022-06-15 Essity Hygiene and Health Aktiebolag Kernlose rolle eines saugfähigen blatts und verfahren zur herstellung davon

Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1868115A (en) * 1928-11-17 1932-07-19 Scott Paper Co Manufacture of paper rolls
US1930250A (en) * 1928-11-17 1933-10-10 Scott Paper Co Core structure
US2780352A (en) * 1954-08-25 1957-02-05 Carl F Schroeder Sheet-retaining package
US4487378A (en) * 1982-05-19 1984-12-11 Masashi Kobayashi Coreless toilet paper roll and method for manufacture thereof
US4695004A (en) * 1985-04-30 1987-09-22 J. M. Voith Gmbh Method for transferring a web from a finished roll to a new core, and drum winder for the application of the method
US4760970A (en) * 1984-10-12 1988-08-02 Ralf Larsson Feeding out device for a material web withdrawable from a roll
US4895315A (en) * 1981-06-18 1990-01-23 Heinolan Newtec Oy Method for reeling a web of material and an apparatus for it
US5746379A (en) * 1996-11-12 1998-05-05 Shimizu; Akira Method of producing coreless toilet paper roll and coreless toilet paper roll produced thereby
US5849357A (en) * 1993-07-05 1998-12-15 Sca Hygiene Products Ab Method of producing a coreless roll of fibre-based, web-like material
US6050519A (en) * 1996-03-05 2000-04-18 Fabio Perini S.P.A. Rewinder incorporating a tail sealer
US6109473A (en) * 1997-03-28 2000-08-29 Fort James France System for dispensing sheets individually
US6179235B1 (en) * 1998-08-31 2001-01-30 Kimberly-Clark Limited Collaspe resistant center feed roll and process of making thereof
US6805317B1 (en) * 2000-11-28 2004-10-19 Valmet-Karlstad Ab Adhesive dispenser in a reel-up in a paper machine
US20070057103A1 (en) * 2003-06-12 2007-03-15 Yves-Michel Malecot Centre-feed roll and production methods thereof
US20070262187A1 (en) * 2004-05-10 2007-11-15 Georgia-Pacific France Method For Making A Central Unwinding Roll and Resulting Roll
US7367520B2 (en) * 2004-03-05 2008-05-06 Georgia-Pacific France Controlled dispensing roll

Patent Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1868115A (en) * 1928-11-17 1932-07-19 Scott Paper Co Manufacture of paper rolls
US1930250A (en) * 1928-11-17 1933-10-10 Scott Paper Co Core structure
US2780352A (en) * 1954-08-25 1957-02-05 Carl F Schroeder Sheet-retaining package
US4895315A (en) * 1981-06-18 1990-01-23 Heinolan Newtec Oy Method for reeling a web of material and an apparatus for it
US4487378A (en) * 1982-05-19 1984-12-11 Masashi Kobayashi Coreless toilet paper roll and method for manufacture thereof
US4760970A (en) * 1984-10-12 1988-08-02 Ralf Larsson Feeding out device for a material web withdrawable from a roll
US4695004A (en) * 1985-04-30 1987-09-22 J. M. Voith Gmbh Method for transferring a web from a finished roll to a new core, and drum winder for the application of the method
US5849357A (en) * 1993-07-05 1998-12-15 Sca Hygiene Products Ab Method of producing a coreless roll of fibre-based, web-like material
US6050519A (en) * 1996-03-05 2000-04-18 Fabio Perini S.P.A. Rewinder incorporating a tail sealer
US5746379A (en) * 1996-11-12 1998-05-05 Shimizu; Akira Method of producing coreless toilet paper roll and coreless toilet paper roll produced thereby
US6109473A (en) * 1997-03-28 2000-08-29 Fort James France System for dispensing sheets individually
US6179235B1 (en) * 1998-08-31 2001-01-30 Kimberly-Clark Limited Collaspe resistant center feed roll and process of making thereof
US6805317B1 (en) * 2000-11-28 2004-10-19 Valmet-Karlstad Ab Adhesive dispenser in a reel-up in a paper machine
US20070057103A1 (en) * 2003-06-12 2007-03-15 Yves-Michel Malecot Centre-feed roll and production methods thereof
US7367520B2 (en) * 2004-03-05 2008-05-06 Georgia-Pacific France Controlled dispensing roll
US20070262187A1 (en) * 2004-05-10 2007-11-15 Georgia-Pacific France Method For Making A Central Unwinding Roll and Resulting Roll

Also Published As

Publication number Publication date
FR2886929A1 (fr) 2006-12-15
DE602006004209D1 (de) 2009-01-22
CA2611073A1 (en) 2006-12-14
MX2007015545A (es) 2008-02-21
ES2318770T5 (es) 2012-01-31
CA2611073C (en) 2013-12-17
EP1893513B2 (de) 2011-09-07
EP1893513B1 (de) 2008-12-10
RU2397135C2 (ru) 2010-08-20
WO2006131644A1 (fr) 2006-12-14
EP1893513A1 (de) 2008-03-05
ATE417013T1 (de) 2008-12-15
FR2886929B1 (fr) 2007-09-14
PT1893513E (pt) 2009-03-12
ES2318770T3 (es) 2009-05-01
DK1893513T3 (da) 2009-04-14
SI1893513T1 (sl) 2009-06-30
RU2007147998A (ru) 2009-07-20

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Legal Events

Date Code Title Description
AS Assignment

Owner name: GEORGIA-PACIFIC FRANCE, FRANCE

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:MALECOT, YVES-MICHEL;HUNGLER, JOEL;INGERT, BERNARD;REEL/FRAME:020581/0493

Effective date: 20080208

STCB Information on status: application discontinuation

Free format text: ABANDONED -- AFTER EXAMINER'S ANSWER OR BOARD OF APPEALS DECISION