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DE3043845A1 - DEVICE FOR PRODUCING PERFORATIONS OF A CIGARETTE MOUTHPIPE COVER PAPER - Google Patents

DEVICE FOR PRODUCING PERFORATIONS OF A CIGARETTE MOUTHPIPE COVER PAPER

Info

Publication number
DE3043845A1
DE3043845A1 DE19803043845 DE3043845A DE3043845A1 DE 3043845 A1 DE3043845 A1 DE 3043845A1 DE 19803043845 DE19803043845 DE 19803043845 DE 3043845 A DE3043845 A DE 3043845A DE 3043845 A1 DE3043845 A1 DE 3043845A1
Authority
DE
Germany
Prior art keywords
perforations
paper
carrier
electrodes
pairs
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Withdrawn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
DE19803043845
Other languages
German (de)
Inventor
Antrag Auf Nichtnennung
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.)
Tann Papier Trierenberg & GmbH
Original Assignee
Tann Papier Trierenberg & GmbH
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
Application filed by Tann Papier Trierenberg & GmbH filed Critical Tann Papier Trierenberg & GmbH
Publication of DE3043845A1 publication Critical patent/DE3043845A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24CMACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/005Treatment of cigarette paper
    • A24C5/007Perforating
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24CMACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/56Making tipping materials, e.g. sheet cork for mouthpieces of cigars or cigarettes, by mechanical means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26FPERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/26Perforating by non-mechanical means, e.g. by fluid jet
    • B26F1/28Perforating by non-mechanical means, e.g. by fluid jet by electrical discharges

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Credit Cards Or The Like (AREA)

Abstract

The device has lines of electrodes (11) arranged opposite one another. Between every two electrodes arranged opposite one another, a high-frequency field is produced by means of which the flashover of the sparks produces longitudinal lines of perforations. The electrodes (11) are arranged aligned in each case in one line at a distance from one another on at least one carrier pair, preferably on two carrier pairs (9 and 10). The paper (1) to be perforated is fed between the carriers (9A, 9B, 10A, 10B) of the carrier pair or the carrier pairs (9 and 10). The carrier pair or the carrier pairs (9 and 10) is/are capable of being swivelled with respect to the direction of movement of the paper (1). By virtue of this measure, it is possible to change the distance between the longitudinal lines of perforations as desired in a simple manner. <IMAGE>

Description

Vorrichtung zur Herstellung von Perforationen Device for making perforations

eines ZigarettenmundstUck-BelagpaPiers Die Erfindung betrifft eine Vorrichtung nach dem Oberbegriff des Anspruches 1. of a cigarette mouthpiece covering paper The invention relates to a Device according to the preamble of claim 1.

Nach einer nicht vorveröffentlichten AT-PS (A 1462/76) wird der Vorschlag gemacht, die das Belagpapier und seine gegebenenfalls vorhandene Beschichtung durchsetzenden Perforationen in einer oder mehreren sich in Längsrichtung des Papiers erstreckenden Zonen durch mit unbewaffnetem Auge nicht sichtbare Hochspannungsfunkenerosionen mit unregelmäßigen Abständen voneinander und mit voneinander unterschiedlichen Durchmessern anzuordnen. Dieser Vorschlag geht von einem Stand der Technik aus, wonach es vor dem Prioritätszeitpunkt der genannten Patentschrift bekannt war, solche mit unbewaffnetem Auge nicht sichtbare Hochspannungserosionen in Reihen - also nicht in Zonen - anzuordnen. FUr die Herstellung solcher Perforationen sind nach Angaben der genannten Patentschriften nebeneinander angeordnete Elektroden erforderlich, die einen bestimmten Mindestabstand voneinander aufweisen mUssen, da bei Unterschreitung desselben nach der in dieser Patentschrift vertretenen Meinung unter ungünstigen Bedingungen der Funke einer Elektrode durch eine Perforation schlagen kann, die bereits von einer benachbarten Elektrode hergestellt wurde, infolgedessen dann eine Perforation unterbleiben würde und es ergäbe sich eine unzureichende Durchlöcherung. Wenn dies anderseits nur durch einen Mindestabstand der Elektroden vermieden werden kann, so setzt die Patentschrift fort, dann ist es zwar möglich, Belagpapier in Qualitäten herzustellen, die eine vergleichsweise geringe Durchlässigkeit aufweisen und dementsprechend einen größeren Abstand der Perforierung zeigen, nicht aber Papier mit größerer Durchlässigkeit und dem entsprechend geringen Atstand der Perforationen. Durch die Anordnung der Erosionen mit unregelmäßigen Abständen voneinander und mit voneinander unterschiedlichen Durchmessern in Zonen sollte dieser Nachteil vermieden werden.According to a not previously published AT-PS (A 1462/76), the proposal made that penetrate the covering paper and any coating that may be present Perforations in one or more longitudinally extending paper Zones caused by high-voltage spark erosion that is invisible to the naked eye with irregular distances from each other and with different diameters from each other to arrange. This proposal is based on a state of the art, according to which it is before was known at the time of priority of the patent mentioned, those with unarmed High-voltage erosion invisible to the eye in rows - so not in Zones - to order. For the production of such perforations are according to the information mentioned Patents required electrodes arranged next to one another, which have a specific Must have a minimum distance from each other, since if the distance falls below this, after the opinion represented in this patent specification under unfavorable conditions of An electrode spark can strike through a perforation already made by a adjacent electrode was produced, as a result of which there is no perforation and there would be insufficient perforation. If this is the other hand can only be avoided by a minimum distance between the electrodes, the Patent specification continues, then it is possible to produce covering paper in qualities which have a comparatively low permeability and accordingly one show greater spacing of the perforations, but not paper with greater permeability and the correspondingly low level of perforations. The arrangement of the Erosion at irregular intervals from one another and with one another that is different from one another This disadvantage should be avoided with diameters in zones.

Aufgabe der vorliegenden Erfindung ist die Schaffung einer Vorrichtung, durch welche bei der vermeintlich ungünstigen Anordnung der Elektroden in Reihen unbeachtet der Größe eines Abstandes zwischen diesen mit unbewaffnetem Auge nicht sichtbare Hochspannungsfunkenerrosionen in Reihen - also nichtih Zonen -hergestellt werden können, ohne daß eine unzureichende Durchlöcherung bzw. eine verminderte Durchlässigkeit auftritt.The object of the present invention is to create a device due to which in the supposedly unfavorable arrangement of the electrodes in rows not with the naked eye regardless of the size of a gap between them visible high-voltage spark erosions in rows - i.e. not in zones - produced can be without an inadequate perforation or a diminished Permeability occurs.

Diese Aufgabe wird durch die Maßnahme nach dem kennzeichnenden Teil des Patentanspruches 1 gelöst.This task is carried out by the measure according to the characterizing part of claim 1 solved.

Weitere Vorteile werden durch die Maßnahmen nach den Unteransprüchen 2 und 3 erzielt.Further advantages are achieved through the measures according to the subclaims 2 and 3 scored.

In der Zeichnung ist ein Ausfiihrungsbeispiel der erfindungeemäßen Vorrichtung in vereinfachter Form dargestellt. Es zeigen Fig. 1 eine Vorderansicht der Vorrichtung und Fig. 2 eine Seitenansicht derselben in der Blickrichtung des Pfeiles A der Fig. 1 1 bezeichnet das Belagpapier, welches im vorliegenden Falle mit zwei Reihengruppen 2 und 3 von Perforierungen versehen ist, welche Gruppen 2, 3 in einem Abstand 4 voneinander entfernt sind, wobei Jede der beiden Gruppen 2, 3 einen Abstand 5 bzw. 6 vom Rand 7 bzw.In the drawing is an exemplary embodiment of the inventive Device shown in simplified form. 1 shows a front view of the device and FIG. 2 is a side view of the same in the viewing direction of the Arrow A of Fig. 1 1 denotes the covering paper, which in the present case is provided with two row groups 2 and 3 of perforations, which groups 2, 3 are at a distance of 4 from each other, each of the two groups 2, 3 a distance 5 or 6 from the edge 7 or

8 des Belagpapiers 1 entfernt ist, das in Form eines Streifens von einer Rolle abgezogen und nach erfolgter Perforierung zu einer Rolle aufgewickelt wird. Die Perforierung entsteht durch ein z.B. durch DE-PS 1 105 699 oder die DE-PS 1 163 216 bekannt gewordenes Verfahren, wonach das Papier durch ein Feld elektrischer Funken gefUhrt wird. Dem Grundgedanken der DE-PS 1 105 699 wird zwischen zwei einander gegenüberliegenden Elektroden ein Hochfrequenzfeld erzeugt, wobei der Durchschlag in Form von Zeilen von Perforierungen Jeweils in der Lntladungslage der Elektroden durch einen diesen aufgeprägten Hochspannungsimpuls hervorgerufen wird. Zum Unterschied von der bekannten Vorrichtung, bei welcher zu diesem Zwecke Elektrodenwalzen vorgesehen sind, bedient sich die erfindungsgemäße Vorrichtung zweier länglicher Trägerpaare 9, 10 die im Abstand voneinander angeordnet sind, wobei die Träger 9A, 9B bzw. 10A, 10B Jedes Trägerpaares 9 bzw. 10 jeweils eine Reihe von Elektroden 11 aufweisen. Wie Fig. 2 zeigt, sind die elektroden der beiden Träger 9A, 9B bzw. 10A, 10B eines Jeder der beiden Trägerpaare 9, 10 einander gegenüberliegend angeordnet, wobei die Elektroden 11 auf jedem Träger 9A, 9B, 10A, 10B in der Längsmittellinie des jeweiligen Trägers zueinander ausgerichtet in Abstand voneinander angeordnet sind.8 of the covering paper 1 is removed, which is in the form of a strip of pulled off a roll and wound up into a roll after perforation will. The perforation is created by e.g. DE-PS 1 105 699 or DE-PS 1 163 216 known method, according to which the paper by a field of electrical Spark is carried. The basic idea of DE-PS 1 105 699 is between two each other opposite electrodes generated a high-frequency field, whereby the breakdown in the form of lines of perforations, each in the discharge position of the electrodes by a high voltage impulse impressed on it evoked will. In contrast to the known device, in which for this purpose Electrode rollers are provided, the device according to the invention makes use of two elongated pairs of supports 9, 10 which are arranged at a distance from one another, wherein the carriers 9A, 9B and 10A, 10B each pair of carriers 9 and 10 each have one Have row of electrodes 11. As Fig. 2 shows, the electrodes are the two Carriers 9A, 9B or 10A, 10B of each of the two carrier pairs 9, 10 opposite one another arranged, the electrodes 11 on each carrier 9A, 9B, 10A, 10B in the longitudinal center line of the respective carrier aligned with one another and arranged at a distance from one another are.

Die Träger 9A, 10E bzw. 9B, 10B beider Trägerpaare 9, 10 sind an beiden Enden jeweils auf einer Spindel 12 gegeneinander verstellbar angeordnet, sodaß der Abstand 4 der beiden Gruppen 2 bzw. 3 der Reihen der Perforierungen veränderbar ist. Die Träger 9A, 9B, 10A, lOB sind auf den Spindeln durch flankierende Muttern in der jeweils eingestellten Lage fixierbar, wobei die Spindeln 12 in einem Trägerhalter 14 befestigt sind, welcher um eine quer zur Laufrichtung des Belagpapiers 1 gelegene Achse 15 schwenkbar ist.The carriers 9A, 10E and 9B, 10B of both carrier pairs 9, 10 are on both Ends each arranged on a spindle 12 adjustable relative to one another, so that the Distance 4 of the two groups 2 or 3 of the rows of perforations can be changed is. The supports 9A, 9B, 10A, 10B are on the spindles by flanking nuts fixable in the respective set position, the spindles 12 in a carrier holder 14 are attached, which is located around a transverse to the running direction of the tipping paper 1 Axis 15 is pivotable.

Durch Verschwenken des Trägerhalters 14 können die Trägerpaare 9, 10 von einer parallel zur Laufrichtung des Belagpapiers 1 angeordneten Lage bis theoretisch zu einer senkrecht zu dieser Laufrichtung gelegenen Lage gebracht werden, wodurch der Abstand der Perforierungsreihen von Null - in diesem Falle würde durch Jedes Trägerpaar nur eine Perforierungsreihe entstehen - bis zum Abstand zweier benachbarter Elektroden 11 wählbar ist. Es hat sich erwiesen, daß auch bei den kleinsten Abständen der Perforierungsreihen Funken, die durch bestehende Perforierungen schlagen, die betreffende Perforierung allenfalls nur leicht vergrößern, ohne die Unsichtbarkeit derselben mit unbewaffnetem Auge zu beeinträchtigen bzw. den Abstand der Perforationen zu vergrößern und damit die Durch lässigkeit der Gesamtperforation zu verringern.By pivoting the carrier holder 14, the carrier pairs 9, 10 from a layer arranged parallel to the running direction of the covering paper 1 up to theoretically be brought to a position perpendicular to this direction of travel, whereby the distance between the rows of perforations is zero - in this case it would be through Each pair of carriers creates only one row of perforations - until Distance between two adjacent electrodes 11 can be selected. It has been shown that Even with the smallest distances between the rows of perforations sparks through existing ones Make perforations, only slightly enlarge the perforation in question, if necessary, without impairing their invisibility to the naked eye or to increase the distance between the perforations and thus the permeability of the overall perforation to reduce.

Selbstverständlich können im Rahmen der Erfindung verschiedene konstruktive .anderungen vorgenommen werden. So besteht die Möglichkeit, die Anzahl der Reihengruppen 2, 3 bzw. der Trägerpaare 9 bzw. 10 von einer bis zu einer Mehrzahl von Gruppen der Reihenperforationen beliebig zu variieren.Of course, within the scope of the invention, various constructive .changes are made. So there is the possibility of the number of row groups 2, 3 or the carrier pairs 9 or 10 from one to a plurality of groups to vary the row perforations as required.

Weiters kann das Papier 1 mehrere aufeinanderfolgende Trägerpaare 9 bzw. 10 durchwandern, die unterschiedlich zw Laufrichtung des Papiers geneigt sind, so daß Perforierungsgruppen entstehen, die entweder aufeinanderfolgen oder ineinandergeschachtelt sind.Furthermore, the paper 1 can have several successive pairs of carriers 9 or 10 wander through, which are inclined differently between the running direction of the paper are, so that groups of perforations arise which either follow one another or are nested.

Claims (3)

Vorrichtung zur Herstellung von Perforationen eines Zigarettenmundstück-Belagpapiers Fatent ansprüche: 1. Vorrichtung zur Herstellung von Perforationen eines Zigarettenmundstück-Belagpapiers unter Verwendung einander gegenüberliegender Zeilen von Elektroden, wobei zwischen je zwei gegenüberliegenden Elektroden ein Hochfrequenzfeld erzeugt wird, durch welches der Durchschlag der Funken Längs zeilen von Perforierungen erzeugt, dadurch gekennzeichnet, daß die Elektroden (11) für die Herstellung der Perforationen im Abstand voneinander in einer Linie ausgerichtet auf mindestens einem Trägerpaar, vorzugseise zwei Trägerpaaren (9 bzw. 10), angeordnet sind, zwischen dem bzw. zwischen den Trägern (9As 9b, lOA, 10B) der Trägerpaare (9 bzw. 10) das zu perforierende Papier (-1) gefördert wird, wobei das Trägerpaar bzw. die Trägerpaare (9 bzw. 10) gegenüber der Laufrichtung des Papiers (1) schwenkbar ist bzw. sind. Device for producing perforations in a cigarette tip tipping paper Fatent claims: 1. Device for producing perforations in a cigarette mouthpiece covering paper using opposing rows of electrodes, with between a high-frequency field is generated by each two opposing electrodes, through which the breakdown of the sparks produces longitudinal lines of perforations, characterized in that that the electrodes (11) for the production of the perforations at a distance from one another aligned in a line on at least one pair of supports, preferably two pairs of supports (9 or 10), are arranged between or between the carriers (9As 9b, 10A, 10B) of the carrier pairs (9 or 10) the paper to be perforated (-1) is promoted, the carrier pair or the carrier pairs (9 or 10) opposite the direction of travel of the paper (1) is or are pivotable. 2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß jedes Trägerpaar (9, 10) an seinen beiden Enden auf Spindeln (12) verstellbar angeordnet ist, welche in einem Trägerhalter (14) befestigt sind, der um eine quer zur Laufrichtung des Papiers (1) gelegene Achse (15) schwenkbar ist. 2. Apparatus according to claim 1, characterized in that each Support pair (9, 10) arranged adjustable at both ends on spindles (12) is, which are fastened in a carrier holder (14), which is around a transverse to the direction of travel of the paper (1) located axis (15) is pivotable. 3. Vorrichtung nach den Ansprüchen 1 und 2, dadurch gekennzeichnet, daß die Trägerpaare (9, 10) auf den Spindeln (12) durch flankierende Muttern (13) in der eingestellten Lage fixierbar und/oder verstellbar sind. 3. Device according to claims 1 and 2, characterized in that that the pairs of supports (9, 10) on the spindles (12) by flanking nuts (13) can be fixed and / or adjusted in the set position.
DE19803043845 1980-03-24 1980-11-21 DEVICE FOR PRODUCING PERFORATIONS OF A CIGARETTE MOUTHPIPE COVER PAPER Withdrawn DE3043845A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0158280A AT364637B (en) 1980-03-24 1980-03-24 DEVICE FOR PRODUCING PERFORATIONS OF A CIGARETTE MOUTHPIPE COVER PAPER

Publications (1)

Publication Number Publication Date
DE3043845A1 true DE3043845A1 (en) 1981-10-01

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ID=3516529

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19803043845 Withdrawn DE3043845A1 (en) 1980-03-24 1980-11-21 DEVICE FOR PRODUCING PERFORATIONS OF A CIGARETTE MOUTHPIPE COVER PAPER

Country Status (3)

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AT (1) AT364637B (en)
CH (1) CH649494A5 (en)
DE (1) DE3043845A1 (en)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3742250A1 (en) * 1987-12-12 1989-06-22 Hauni Werke Koerber & Co Kg DEVICE FOR ELECTRICALLY PERFORATING A MOVING HELLOW MATERIAL SHEET FOR CIGARETTES OR OTHER ROD-SHAPED SMOKING ITEMS
WO2006007759A1 (en) * 2004-07-19 2006-01-26 Yuxi Jincan Science And Technology Co., Ltd. The punch device for substrate with large breadth and small thickness
US20110309544A1 (en) * 2010-06-21 2011-12-22 Matthew Todd Hupp Method for providing a web with unique 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
US8763526B2 (en) 2010-06-21 2014-07-01 The Procter & Gamble Company Apparatus for perforating a web material
US8763523B2 (en) 2010-06-21 2014-07-01 The Procter & Gamble Company Method of perforating a web material

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT368734B (en) * 1981-01-09 1982-11-10 Tann Papier METHOD AND DEVICE FOR REGULATING PERFORATING DEVICES BY MEANS OF ELECTRICAL SPARK ARROW FOR STRIPS MADE OF PAPER OR THE LIKE.

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE750662C (en) * 1938-01-29 1945-01-22 Bruno Groeschel Method for perforating paper webs or the like, in particular in printing machines
DE1163216B (en) * 1958-08-19 1964-02-13 Konink Vereenigde Tabaksindust Method and device for perforating cigarette paper
DE2937914A1 (en) * 1978-09-20 1980-03-27 Philip Morris Inc DEVICE FOR GENERATING PULSED LIGHT BEAMS FROM A CONTINUOUS LIGHT BEAM

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE750662C (en) * 1938-01-29 1945-01-22 Bruno Groeschel Method for perforating paper webs or the like, in particular in printing machines
DE1163216B (en) * 1958-08-19 1964-02-13 Konink Vereenigde Tabaksindust Method and device for perforating cigarette paper
DE2937914A1 (en) * 1978-09-20 1980-03-27 Philip Morris Inc DEVICE FOR GENERATING PULSED LIGHT BEAMS FROM A CONTINUOUS LIGHT BEAM

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3742250A1 (en) * 1987-12-12 1989-06-22 Hauni Werke Koerber & Co Kg DEVICE FOR ELECTRICALLY PERFORATING A MOVING HELLOW MATERIAL SHEET FOR CIGARETTES OR OTHER ROD-SHAPED SMOKING ITEMS
WO2006007759A1 (en) * 2004-07-19 2006-01-26 Yuxi Jincan Science And Technology Co., Ltd. The punch device for substrate with large breadth and small thickness
US20110309544A1 (en) * 2010-06-21 2011-12-22 Matthew Todd Hupp Method for providing a web with unique 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
US8763526B2 (en) 2010-06-21 2014-07-01 The Procter & Gamble Company Apparatus for perforating a web material
US8763523B2 (en) 2010-06-21 2014-07-01 The Procter & Gamble Company Method of 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

Also Published As

Publication number Publication date
ATA158280A (en) 1981-03-15
CH649494A5 (en) 1985-05-31
AT364637B (en) 1981-11-10

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