US3770172A - One-at-a-time alternate dispensing method - Google Patents

One-at-a-time alternate dispensing method Download PDF

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Publication number
US3770172A
US3770172A US00249496A US3770172DA US3770172A US 3770172 A US3770172 A US 3770172A US 00249496 A US00249496 A US 00249496A US 3770172D A US3770172D A US 3770172DA US 3770172 A US3770172 A US 3770172A
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United States
Prior art keywords
web
force
webs
roll
lines
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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.)
Expired - Lifetime
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US00249496A
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English (en)
Inventor
E Nystrand
A Krufger
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.)
Paper Converting Machine Co
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Paper Converting Machine Co
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Publication date
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K10/00—Body-drying implements; Toilet paper; Holders therefor
    • A47K10/24—Towel dispensers, e.g. for piled-up or folded textile towels; Toilet paper dispensers; Dispensers for piled-up or folded textile towels provided or not with devices for taking-up soiled towels as far as not mechanically driven
    • A47K10/32—Dispensers for paper towels or toilet paper
    • A47K10/34—Dispensers for paper towels or toilet paper dispensing from a web, e.g. with mechanical dispensing means
    • A47K10/38—Dispensers for paper towels or toilet paper dispensing from a web, e.g. with mechanical dispensing means the web being rolled up with or without tearing edge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/0006—Article or web delivery apparatus incorporating cutting or line-perforating devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T225/00—Severing by tearing or breaking
    • Y10T225/10—Methods
    • Y10T225/12—With preliminary weakening
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T225/00—Severing by tearing or breaking
    • Y10T225/30—Breaking or tearing apparatus
    • Y10T225/393—Web restrainer

Definitions

  • the web segments are partially interleaved so that as one is extracted from a position suitable for manual grasping, its trailing end portion insures that the leading edge portion of a succeeding interfolded segment comes into the aforementioned grasping position.
  • Illustrative of the product and a means and method for achieving this prior art operating is Sabee U.S. Pat. No. 2,626,145.
  • Further illustrative of the involved expedients employed for providing interfolded web segments is U.S. Pat. to Greiner et al. No. 3,066,932.
  • An important feature of the invention is to provide the double web roll with transverse perforations in each web which have slit type perforations with two to 10 intervening bonds per lineal transverse inch and with each bond having a width of the order of 0.01 to about 0.06 inches.
  • the roll made up of the thus specified webs is developed by winding the two webs simultaneously after the same have been perforated incident to the unwinding of the same from parent rolls.
  • the leading edge portion of the web plies is passed through a pressure applying nip which causes the webs to adhere together intermediate the lines of perforation but restricts such conjoint movement when a line of perforation of one web enters the aforementioned nip.
  • FIG. I is a fragmentary perspective view of a twoweb roll incorporating teachings of this invention.
  • FIG. 2 is a side elevational view, partially schematic, of equipment illustrating the procedure for making the roll of FIG. I;
  • FIG. 3 is a side elevational view, partially in section of equipment employed in the method of dispensing the roll of FIG. 1;
  • FIG. 4 is a schematic side elevational view of the equipment and roll of FIG. 3 shown in one phase of the dispensing operation;
  • FIG. 5 is a view similar to FIG. 4 but showing the web roll in a different phase of operation.
  • FIG. 6 is a schematic side elevational view corresponding essentially to FIG. 4 but which shows certain symbols applied thereto for the purpose of further explaining the technology of the invention.
  • each web designates generally a web roll which includes two webs 1 I and 12. It will be appreciated that each web may consist of one or more plies but in the simplest version will have only one ply. Each web may be constructed of a variety of flexible material such as tissue, paper toweling, etc. Each web is relatively elongated and the two webs are convolutely wound to form the roll 10 advantageously around a core 13 which normally is constructed of paperboard.
  • Each web is equipped with equally spaced apart transverse lines of perforation.
  • the web II has a first line of perforation l4 and a second line of perforation IS.
  • the web 12 has a first line of perforation 16 and a second line of perforation I7.
  • the line of perforation 15 in the web 111 falls intermediate the line of perforations 16 and 17 in the web 12.
  • This offset arrangement continues throughout the length of the roll.
  • the line of perforation in one web is very close to the middle of the lines of perforations in the other web and this spaced relationship persists throughout the entire length of the web roll 10.
  • the arrangement and procedure depicted in FIG. 2 may be used to advantage.
  • the web 11 is the inner web and the outer web is designated 112.
  • the outer web 12 is indicated at the right hand portion of the figure and is provided by a parent roll (not shown). Normally, such a parent roll is provided on an unwind stand, the structure and operation of which can be appreciated from a consideration of Kwitek and Nystrand, U.S. Pat. No. 2,769,600.
  • the inner web 11 is designated in the upper left hand portion of FIG. 2 and is provided from a similar parent roll unwind stand arrangement.
  • the web 11 As the web 12 departs from the perforating bedroll 20, it is united with the already perforated web 11.
  • the web 11 meanwhile has passed through the same sequence of operations, i.e., being drawn from its associated parent roll by the action of draw rolls 22 and 23.
  • a guide roll 24 may be advantageously employed to change the direction of travel of the web 111 where the parent roll providing the web 11 is physically associated closely with the parent roll providing the web 12.
  • double roll unwind stands are employed so that the web I 1 must cross over the equipment seen in FIG. 2.
  • the web 11 travels with and on a perforating bedroll 25 which is equipped with its own knife bar or perforating head 26.
  • the web 11 After partially traversing the periphery of the perforating bedroll 25, the web 11 passes around a peel-off roll 27 which is arranged so as to detour or delay the web 11 sufficiently as to position the perforations therein (as at 14 and 15) intermediate the perforations in the web 12 (as at 16 and 17).
  • the webs 11 and 12 are united for travel around a portion of the periphery of a slitter bedroll 28.
  • a slitter bedroll 28 Such a roll is equipped with circumferential grooves in which slitting wheels 29 project so that the combined webs are now separated into a plurality of longitudinally spaced, side by side ribbon-like segments.
  • the width of the ribbons or streamers depends upon the intended use. For example, with toilet tissue, the roll width is 4k inches so that this then would be the spacing of the slitter wheels 29. Normally, the parent roll will have a width which is a multiple of the width of the individual retail sized rolls 10.
  • the joined webs 11 and 12 are thereafter caused to pass around the main bedroll 30 which advantageously can take the form of the apparatus seen in Nystrand et al. US. Pat. No. 3,179,348.
  • a transverse cut is performed by virtue of a chopper roll 31 after which the webs are wound into retail sized rolls on a mandrel-equipped turret generally designated 32. Details of the turret 32 can be seen in the above identified U.S. Pat. No. 2,769,600.
  • the perforating head or knife bar 26 may be used in conjunction with the bedroll 25. Thereafter the webs l1 and 12 are separated with the web 12 being designated 12 in the central upper portion of FIG. 2 and seen passing around a guide roll 27'. This permits the webs to be maintained in an out of phase relationship relative to the transverse perforations.
  • FIG. 3 Exemplary of an advantageous arrangement for dispensing the web segments 33, 34, etc. (being drafted between the transverse lines of perforation 14-15 and 16-17, respectively), is the showing of FIG. 3.
  • an enclosure 35 is seen to be equipped with a support portion 36 for rotatably supporting roll and an output aperture 35'.
  • the combined webs are seen to pass between rolls 37 and 38 which define a nip 39 therebetween. What occurs in this procedure can be more readily appreciated from a consideration of FIGS. 4 and 5.
  • the inner web segment 33 is more than half way through the nip 39.
  • the outer web segment 34 just slightly projects beyond the nip 39.
  • FIG. 4 the inner web segment 33 is more than half way through the nip 39.
  • the outer web segment 34 just slightly projects beyond the nip 39.
  • the roll 10 has been unwound somewhat more than what it was in FIG. 4 and now the line of perforation between the segments 33 and 40 in the web 11 is in the nip 39. Because of the pressure tending to constrict the webs 11 and 12 exerted by the elements 37 and 38, further longitudinal pulling or tension on the web 11 (by virtue of grasping the leading edge of the web segment 33) causes the same to be snapped off, thereby providing a discrete web segment. However, by this time, the web 12 has been advanced so that now the web segment 34 is in position for grasping.
  • FIG. 6 corresponds in the stage of dispensing essentially to that seen and described in conjunction with FIG. 5.
  • the symbol T corresponds to the longitudinal pulling force exerted by a person desiring a web segment.
  • the force T may be close to being completely longitudinally extending as is possible. It is not necessary to have any lateral component. In the past when dispensing from toilet tissue rolls has occurred, for example, a substantial lateral component has existed in the pulling-tearing off force.
  • the force T Arranged in opposition to the force T is the force equivalent to the resistance of the roll to unwinding, here designated T.
  • the force T can be further broken down into the component forces T relative to the web 11 and T relative to the web 12.
  • the force F is that existing in the nip 39 defined by rolls 37 and 38. It can be developed in a number of ways and one means represented schematically in FIG. 3 is spring or biasing means 41. By spring loading the roll 38, a predetermined nip pressure can be developed on the webs l1 and 12.
  • n the coefficient of friction between the web 11 and 12.
  • both g and F are significant. f must be large enough to prevent relative movement between the webs 11 and 12. For quite smooth-surfaced webs, to avoid such relative movement where the coefficient n will be relatively low, it is necessary to correspondingly increase the force F, i.e., develop greater pressure on the combined webs in the nip 30. However, we ordinarily provide tne nipdefining elements 38 and 39 with suitably smooth surfaces so that the frictional forces f and f are smaller than f,,.
  • F the frictional force between the webs 11 and 12
  • F 1 and f the frictional forces between the webs and the confronting surfaces of the nip-providing elements 28 and 29.
  • F the frictional force between the webs 11 and 12
  • the total bond strengths were 1.3, 1.7, and 2.5 pounds respectively, and the pulling force required was between 0.8 and 1.0 pounds.
  • the coefficient of friction between the plies or webs was 0.5.
  • the coefficient of friction between the plies or webs was 0.6 and the total bond strength 12.6 pounds, with a pulling force required for separation of 2.0 pounds.
  • a method of providing discrete, substantially identical web segments for one-at-a-time sequential alternate dispensing comprising the steps of perforating a pair of elongated webs at a plurality of equally longitudinally spaced apart transversely extending lines, superposing said webs and convolute winding said webs while spacing the lines of perforations of one web intermediate the lines of perforations of the other web to provide a web roll having a tail wherein one web projects beyond the other, and exerting an unwinding force on the tail of said one web while subjecting the superposed webs to a second force generally normal to the first mentioned force and which second force tends to adhere said webs together.
  • a method of sequential delivery of web segments alternately from a double wound web roll comprising providing a web roll having a pair of substantially identical elongated webs each being perforated at a plurality of equally longitudinally spaced apart transversely extending lines with the lines of perforation of one web being intermediate the lines of perforation of the other web, exerting an unwinding force on one web while subjecting the superposed webs to a second force gen erally normal to the first mentioned force and which second force tends to adhere said webs together, advancing the first web until a line of perforation therein is aligned with said second force, said second force being of a magnitude sufficient to cause said pulling force to detach a segment from said first web, and

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Replacement Of Web Rolls (AREA)
  • Sanitary Thin Papers (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
US00249496A 1972-05-02 1972-05-02 One-at-a-time alternate dispensing method Expired - Lifetime US3770172A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US24949672A 1972-05-02 1972-05-02

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US3770172A true US3770172A (en) 1973-11-06

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US00249496A Expired - Lifetime US3770172A (en) 1972-05-02 1972-05-02 One-at-a-time alternate dispensing method

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US (1) US3770172A (enExample)
JP (1) JPS4921559A (enExample)
CA (1) CA967921A (enExample)
DE (1) DE2319542A1 (enExample)
FR (1) FR2183469A5 (enExample)
IT (1) IT980142B (enExample)

Cited By (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2809207A1 (de) * 1977-03-03 1978-09-07 Anvar Verfahren zum herstellen von erzeugnissen aus papier, watte, zellulose- stoffen, plastik o.dgl.
US4261497A (en) * 1979-01-18 1981-04-14 Pitney Bowes Inc. Bursting apparatus
US5205454A (en) * 1992-05-18 1993-04-27 James River Ii, Inc. Paper towel dispensing system
US5630526A (en) * 1995-10-31 1997-05-20 James River Corporation Of Virginia Sheet material dispensing system
GB2308114B (en) * 1995-12-14 1999-09-29 Kimberly Clark Ltd Centre-feed roll
US6228454B1 (en) 1998-02-02 2001-05-08 Fort James Corporation Sheet material having weakness zones and a system for dispensing the material
US6321963B1 (en) 1998-02-02 2001-11-27 Fort James Corporation Sheet material dispensing apparatus and method
US6902134B2 (en) 2002-09-12 2005-06-07 Kimberly-Clark Worldwide, Inc. Dispenser for rolled paper
US20060000941A1 (en) * 2004-06-30 2006-01-05 Kimberly-Clark Worldwide, Inc. Dispenser for rolled sheet material
US20060011772A1 (en) * 2004-06-30 2006-01-19 Kimberly-Clark Worldwide Inc. Dispenser for rolled sheet material
US7040567B1 (en) 2004-12-29 2006-05-09 Kimberly-Clark Worldwide, Inc. Dispenser for perforated sheet material providing flat sheet delivery
GB2433248A (en) * 2005-12-15 2007-06-20 Kimberly Clark Co A roll, having two webs from which single sheets are dispensed in turn, and a dispenser therefor
US20080280088A1 (en) * 2006-12-06 2008-11-13 The Procter & Gamble Company Tissue roll with angled perforations
US8268429B2 (en) 2010-06-21 2012-09-18 The Procter & Gamble Company Perforated web product
US8283013B2 (en) 2010-06-21 2012-10-09 The Procter & Gamble Company Uniquely perforated web product
US8287977B2 (en) 2010-06-21 2012-10-16 The Procter & Gamble Company Uniquely perforated web product
US8287976B2 (en) 2010-06-21 2012-10-16 The Procter & Gamble Company Uniquely perforated web product
US8443725B2 (en) 2010-06-21 2013-05-21 The Procter & Gamble Company Method of perforating a web
US8468938B2 (en) 2010-06-21 2013-06-25 The Procter & Gamble Company Apparatus for perforating a web material
US8535483B2 (en) 2010-06-21 2013-09-17 The Procter & Gamble Company Apparatus for uniquely perforating a web material
US8757058B2 (en) 2010-06-21 2014-06-24 The Procter & Gamble Company Process for perforating a web
US8763523B2 (en) 2010-06-21 2014-07-01 The Procter & Gamble Company Method of perforating a web material
US8763526B2 (en) 2010-06-21 2014-07-01 The Procter & Gamble Company Apparatus for perforating a web material
WO2014147432A1 (en) * 2013-03-22 2014-09-25 Sca Tissue France A dispenser assembly
US9259848B2 (en) 2010-06-21 2016-02-16 The Procter & Gamble Company Method for providing a web with unique lines of weakness
US10814513B2 (en) 2013-06-12 2020-10-27 The Procter & Gamble Company Perforating apparatus for manufacturing a nonlinear line of weakness
US10889459B2 (en) 2015-03-17 2021-01-12 The Procter & Gamble Company Method for perforating a nonlinear line of weakness
US10919168B2 (en) 2015-03-17 2021-02-16 The Procter & Gamble Company Apparatus for perforating a web material
US10946545B2 (en) 2013-06-12 2021-03-16 The Procter & Gamble Company Nonlinear line of weakness formed by a perforating apparatus
US10947671B2 (en) 2017-09-11 2021-03-16 The Procter & Gamble Company Sanitary tissue product with a shaped line of weakness
US10960566B2 (en) 2015-03-17 2021-03-30 The Procter & Gamble Company Apparatus for perforating a nonlinear line of weakness
US11254024B2 (en) 2013-06-12 2022-02-22 The Procter & Gamble Company Method of perforating a nonlinear line of weakness
US11806890B2 (en) 2017-09-11 2023-11-07 The Procter & Gamble Company Perforating apparatus and method for manufacturing a shaped line of weakness
US11806889B2 (en) * 2017-09-11 2023-11-07 The Procter & Gamble Company Perforating apparatus and method for manufacturing a shaped line of weakness
US11871877B2 (en) 2012-10-26 2024-01-16 Essity Hygiene And Health Aktiebolag Separation unit and a dispenser comprising a separation unit

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5758210B2 (enExample) * 1973-08-06 1982-12-08 Iishii Kagaku Kogyo Kk
DE4414238A1 (de) * 1994-04-23 1995-10-26 Schickedanz Ver Papierwerk Haushalts- oder Hygienepapier sowie Verfahren zur Steigerung dessen Weichheit und Verringerung dessen Packvolumens

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US400913A (en) * 1889-04-09 Toilet-paper roll

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US400913A (en) * 1889-04-09 Toilet-paper roll

Cited By (67)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2809207A1 (de) * 1977-03-03 1978-09-07 Anvar Verfahren zum herstellen von erzeugnissen aus papier, watte, zellulose- stoffen, plastik o.dgl.
US4261497A (en) * 1979-01-18 1981-04-14 Pitney Bowes Inc. Bursting apparatus
US5205454A (en) * 1992-05-18 1993-04-27 James River Ii, Inc. Paper towel dispensing system
US5630526A (en) * 1995-10-31 1997-05-20 James River Corporation Of Virginia Sheet material dispensing system
GB2308114B (en) * 1995-12-14 1999-09-29 Kimberly Clark Ltd Centre-feed roll
US6447864B2 (en) 1998-02-02 2002-09-10 Fort James Corporation Sheet material having weakness zones and a system for dispensing the material
US6321963B1 (en) 1998-02-02 2001-11-27 Fort James Corporation Sheet material dispensing apparatus and method
US6412678B2 (en) 1998-02-02 2002-07-02 Fort James Corporation Sheet material dispensing apparatus and method
US6464120B1 (en) 1998-02-02 2002-10-15 Fort James Corporation Sheet material having weakness zones and a system for dispensing the material
US6536624B2 (en) 1998-02-02 2003-03-25 Fort James Corporation Sheet material having weakness zones and a system for dispensing the material
US6685074B2 (en) 1998-02-02 2004-02-03 Fort James Corporation Sheet material dispensing apparatus and method
US6228454B1 (en) 1998-02-02 2001-05-08 Fort James Corporation Sheet material having weakness zones and a system for dispensing the material
US6902134B2 (en) 2002-09-12 2005-06-07 Kimberly-Clark Worldwide, Inc. Dispenser for rolled paper
US7275708B2 (en) 2004-06-30 2007-10-02 Richard Paul Lewis Dispenser for rolled sheet material
US20060000941A1 (en) * 2004-06-30 2006-01-05 Kimberly-Clark Worldwide, Inc. Dispenser for rolled sheet material
US20060011772A1 (en) * 2004-06-30 2006-01-19 Kimberly-Clark Worldwide Inc. Dispenser for rolled sheet material
WO2006007199A1 (en) 2004-06-30 2006-01-19 Kimberly-Clark Worldwide, Inc. Dispenser for rolled sheet material
US7185842B2 (en) 2004-06-30 2007-03-06 Kimberly-Clark Worldwide, Inc. Dispenser for rolled sheet material
US7040567B1 (en) 2004-12-29 2006-05-09 Kimberly-Clark Worldwide, Inc. Dispenser for perforated sheet material providing flat sheet delivery
GB2433248A (en) * 2005-12-15 2007-06-20 Kimberly Clark Co A roll, having two webs from which single sheets are dispensed in turn, and a dispenser therefor
US20080280088A1 (en) * 2006-12-06 2008-11-13 The Procter & Gamble Company Tissue roll with angled perforations
US8268429B2 (en) 2010-06-21 2012-09-18 The Procter & Gamble Company Perforated web product
US8283013B2 (en) 2010-06-21 2012-10-09 The Procter & Gamble Company Uniquely perforated web product
US8287977B2 (en) 2010-06-21 2012-10-16 The Procter & Gamble Company Uniquely perforated web product
US8287976B2 (en) 2010-06-21 2012-10-16 The Procter & Gamble Company Uniquely perforated web product
US8443725B2 (en) 2010-06-21 2013-05-21 The Procter & Gamble Company Method of perforating a web
US8468938B2 (en) 2010-06-21 2013-06-25 The Procter & Gamble Company Apparatus for perforating a web material
US8535483B2 (en) 2010-06-21 2013-09-17 The Procter & Gamble Company Apparatus for uniquely perforating a web material
US8757058B2 (en) 2010-06-21 2014-06-24 The Procter & Gamble Company Process for perforating a web
US8763523B2 (en) 2010-06-21 2014-07-01 The Procter & Gamble Company Method of perforating a web material
US8763526B2 (en) 2010-06-21 2014-07-01 The Procter & Gamble Company Apparatus for perforating a web material
US9259848B2 (en) 2010-06-21 2016-02-16 The Procter & Gamble Company Method for providing a web with unique lines of weakness
US11871877B2 (en) 2012-10-26 2024-01-16 Essity Hygiene And Health Aktiebolag Separation unit and a dispenser comprising a separation unit
WO2014147432A1 (en) * 2013-03-22 2014-09-25 Sca Tissue France A dispenser assembly
US11523716B2 (en) 2013-03-22 2022-12-13 Essity Operations France Dispenser assembly
AU2013382947B2 (en) * 2013-03-22 2016-09-08 Essity Operations France A dispenser assembly
CN105208903A (zh) * 2013-03-22 2015-12-30 Sca纸巾法国公司 分配器组件
US10814513B2 (en) 2013-06-12 2020-10-27 The Procter & Gamble Company Perforating apparatus for manufacturing a nonlinear line of weakness
USD1101427S1 (en) 2013-06-12 2025-11-11 The Procter & Gamble Company Paper product
US12179377B2 (en) 2013-06-12 2024-12-31 The Procter & Gamble Company Method of perforating a nonlinear line of weakness
US10946545B2 (en) 2013-06-12 2021-03-16 The Procter & Gamble Company Nonlinear line of weakness formed by a perforating apparatus
USD1045407S1 (en) 2013-06-12 2024-10-08 The Procter & Gamble Company Paper product
US11745378B2 (en) 2013-06-12 2023-09-05 The Procter & Gamble Company Nonlinear line of weakness formed by a perforating apparatus
US11697219B2 (en) 2013-06-12 2023-07-11 The Procter & Gamble Company Method of perforating a nonlinear line of weakness
US11254024B2 (en) 2013-06-12 2022-02-22 The Procter & Gamble Company Method of perforating a nonlinear line of weakness
US12030739B2 (en) 2015-03-17 2024-07-09 The Procter & Gamble Company Method for perforating a nonlinear line of weakness
US11407608B2 (en) 2015-03-17 2022-08-09 The Procter & Gamble Company Method for perforating a nonlinear line of weakness
US11413779B2 (en) 2015-03-17 2022-08-16 The Procter & Gamble Company Apparatus for perforating a web material
US10889459B2 (en) 2015-03-17 2021-01-12 The Procter & Gamble Company Method for perforating a nonlinear line of weakness
US11584034B2 (en) 2015-03-17 2023-02-21 The Procter & Gamble Company Apparatus for perforating a nonlinear line of weakness
US11661301B2 (en) 2015-03-17 2023-05-30 The Procter & Gamble Company Method for perforating a nonlinear line of weakness
US12365559B2 (en) 2015-03-17 2025-07-22 The Procter & Gamble Company Method for perforating a nonlinear line of weakness
US10919168B2 (en) 2015-03-17 2021-02-16 The Procter & Gamble Company Apparatus for perforating a web material
US10960566B2 (en) 2015-03-17 2021-03-30 The Procter & Gamble Company Apparatus for perforating a nonlinear line of weakness
US11008709B2 (en) 2017-09-11 2021-05-18 The Procter & Gamble Company Sanitary tissue product with a shaped line of weakness
US11806889B2 (en) * 2017-09-11 2023-11-07 The Procter & Gamble Company Perforating apparatus and method for manufacturing a shaped line of weakness
US11806890B2 (en) 2017-09-11 2023-11-07 The Procter & Gamble Company Perforating apparatus and method for manufacturing a shaped line of weakness
US11952722B2 (en) 2017-09-11 2024-04-09 The Procter & Gamble Company Sanitary tissue product with a shaped line of weakness
US11008710B2 (en) 2017-09-11 2021-05-18 The Procter & Gamble Company Sanitary tissue product with a shaped line of weakness
US12031275B2 (en) 2017-09-11 2024-07-09 The Procter & Gamble Company Sanitary tissue product with a shaped line of weakness
US10947671B2 (en) 2017-09-11 2021-03-16 The Procter & Gamble Company Sanitary tissue product with a shaped line of weakness
US12157243B2 (en) 2017-09-11 2024-12-03 The Procter & Gamble Company Perforating apparatus and method for manufacturing a shaped line of weakness
US12157244B2 (en) 2017-09-11 2024-12-03 The Procter & Gamble Company Perforating apparatus and method for manufacturing a shaped line of weakness
US11180892B2 (en) 2017-09-11 2021-11-23 The Procter & Gamble Company Sanitary tissue product with a shaped line of weakness
US12366038B2 (en) 2017-09-11 2025-07-22 The Procter & Gamble Company Sanitary tissue product with a shaped line of weakness
US11668051B2 (en) 2017-09-11 2023-06-06 The Procter & Gamble Company Sanitary tissue product with a shaped line of weakness
US11268243B2 (en) 2017-09-11 2022-03-08 The Procter & Gamble Company Sanitary tissue product with a shaped line of weakness

Also Published As

Publication number Publication date
IT980142B (it) 1974-09-30
CA967921A (en) 1975-05-20
DE2319542A1 (de) 1973-11-15
FR2183469A5 (enExample) 1973-12-14
JPS4921559A (enExample) 1974-02-26

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