EP0570579B1 - Mehrschichtiges absorbierendes papier - Google Patents

Mehrschichtiges absorbierendes papier Download PDF

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Publication number
EP0570579B1
EP0570579B1 EP93902304A EP93902304A EP0570579B1 EP 0570579 B1 EP0570579 B1 EP 0570579B1 EP 93902304 A EP93902304 A EP 93902304A EP 93902304 A EP93902304 A EP 93902304A EP 0570579 B1 EP0570579 B1 EP 0570579B1
Authority
EP
European Patent Office
Prior art keywords
pattern
bosses
sheet
sheets
embossings
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.)
Expired - Lifetime
Application number
EP93902304A
Other languages
English (en)
French (fr)
Other versions
EP0570579A1 (de
Inventor
Rémy Ruppel
Pierre Laurent
Joel Hungler
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
Individual
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9419803&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0570579(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Publication of EP0570579A1 publication Critical patent/EP0570579A1/de
Application granted granted Critical
Publication of EP0570579B1 publication Critical patent/EP0570579B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
    • B31F1/07—Embossing, i.e. producing impressions formed by locally deep-drawing, e.g. using rolls provided with complementary profiles
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/30—Multi-ply
    • D21H27/40—Multi-ply at least one of the sheets being non-planar, e.g. crêped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F2201/00—Mechanical deformation of paper or cardboard without removing material
    • B31F2201/07—Embossing
    • B31F2201/0707—Embossing by tools working continuously
    • B31F2201/0715—The tools being rollers
    • B31F2201/0723—Characteristics of the rollers
    • B31F2201/0738—Cross sectional profile of the embossments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F2201/00—Mechanical deformation of paper or cardboard without removing material
    • B31F2201/07—Embossing
    • B31F2201/0758—Characteristics of the embossed product
    • B31F2201/0761—Multi-layered
    • B31F2201/0764—Multi-layered the layers being nested
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F2201/00—Mechanical deformation of paper or cardboard without removing material
    • B31F2201/07—Embossing
    • B31F2201/0758—Characteristics of the embossed product
    • B31F2201/0761—Multi-layered
    • B31F2201/0766—Multi-layered the layers being superposed tip to tip
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24752—Laterally noncoextensive components
    • Y10T428/24769—Cellulosic
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24777—Edge feature
    • Y10T428/24785—Edge feature including layer embodying mechanically interengaged strands, strand portions or strand-like strips [e.g., weave, knit, etc.]
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • Y10T428/24992—Density or compression of components

Definitions

  • the present invention relates to new sheets paper towel complexes.
  • the invention relates more particularly to papers usable in the household and domestic field, in particular embossed papers based on crepe paper such as cotton wool cellulose.
  • embossed papers based on crepe paper such as cotton wool cellulose.
  • crepe paper such as cotton wool cellulose.
  • a first type consists in making two embossings identical on two separate folds of paper, so as to make protuberances on the leaves, and to form a laminate from of these two sheets, the protuberances of the two sheets being directed towards the internal part of the laminate and glued together by their peaks.
  • This system does what we agree to call a "point-to-point" assembly.
  • Such a process, as well as the laminates obtained, is described in patent US-A-3,414,459. It basically allows you to make papers for two layers with the structure shown in Figure 6 of the patent US-A-3,414,459.
  • Another variant described in this patent consists, as shown in Figure 7, to insert, before bonding spikes, an unembossed sheet between the two embossed sheets.
  • the object of the present invention is to improve the feel, flexibility and visual appearance of the complex sheets of absorbent paper known in the prior art and in particular of the products assembled according to the tip-tip technique or the "nested" technique mentioned. above, each fold of which has an embossing pattern with bosses of height between approximately 0.5 mm and 2.5 mm, density between 3 and 20 bosses per cm 2 , and representing 5 to 60% of the total from the surface.
  • this result is achieved with a complex sheet of paper of the type described above, characterized in that said embossed sheet comprises a second embossing pattern with bosses 0.1 to 0.30 mm high surrounding the bosses of the first pattern, and whose density is between 20 and 300 bosses per cm 2 .
  • This embossing which can be described as micro-embossing, occupying the spaces between the bosses of greater depth, gives the sheet a more textile, pleasing to the eye. In addition, it improves the feel and flexibility of it.
  • the density of the second pattern is less than 300 bosses per cm 2 (because beyond 300, it is no longer possible to discern the bosses; the sheet appears smooth), it is preferably between 40 and 100.
  • the ratio between the density of the second pattern and that of the first pattern is greater than 2 so that at least one micro-boss is between any two bosses of the first pattern.
  • the complex sheet of the present invention is distinguished from that proposed by this patent, by the first pattern which is of density greater than 3 bosses per cm 2 with a covered area of 5 to 60%, whereas in the patent this one consists of relatively large bosses, each reproducing the design of a flower according to the example presented, and widely spaced from each other.
  • the bosses of the second pattern have a maximum depth of 0.30 mm (the depth chosen depends essentially on the grammage: 0.1 mm for a low grammage and 0.30 mm for a grammage heavier)
  • the bosses of the second pattern according to US-A-4 320 162 have a depth of 0.38 to 1.27 mm, determined according to the weight of the embossed sheet, and their function is to come into contact through their top of the is precisely the large spacing of the bosses of the first pattern.
  • FIG. 1 there is shown, in enlarged section, a complex sheet according to the invention.
  • This complex sheet consists of two sheets (1) and (2) of crepe absorbent paper, the characteristics of which are commonly a function of the desired application: toilet paper, paper towel, table napkin, tablecloth, etc.
  • This paper is of grammage between 12 and 30 g / m 2 , also according to the envisaged application, and its creping rate is preferably between 10 and 30%.
  • the thickness of such a creped sheet, before any embossing, is between 0.07 and 0.2 mm.
  • each sheet (1) and (2) comprises a first relatively deep embossing pattern (3).
  • the two sheets are linked together and glued by the tops of bosses of this first motif. This assembly is known as point-to-point.
  • the bosses have a height H of between 0.5 mm and 2.5 mm (the height is measured between the plane of the plane face and the plane defined by the top of the bosses). They are distributed in a pattern, generally regular, any with a density of 3 to 19 bosses per cm 2 and occupy 5 to 60% of the surface.
  • the boss section can be any: circular, oval or other.
  • At least one sheet, both in the example shown, of the complex sheet comprises a second embossing pattern (4) consisting of thinner bosses and of small height h, between 0.1 and 0 , 30 mm, distributed between the bosses of the first pattern.
  • the choice of height depends on the grammage and the creping rate of the paper; for example, for a paper of 30g / m 2 with a coarse creping, the height of the bosses will be chosen at 0.25 or 0.30 mm. For a light weight paper, this height may be between 0.1 and 0.2 mm.
  • the density of the bosses of this pattern is greater than that of the first pattern, preferably it must be in a ratio at least greater than 2.
  • FIG 2 there is shown an assembly of sheets (1) and (2) according to the so-called "nested" mode where the bosses (3) of the sheet (1) corresponding to the first pattern are nested between the bosses (3) of the second sheet (2).
  • the connection between the two folds is provided by a layer of glue deposited on the top of the bosses of the first motif of one of the two leaves.
  • a first pair of cylinders (101, 103) having an engraved metal cylinder (101) on the surface of which are embossed according to the pattern wish.
  • the metal cylinder is rotated around a horizontal axis and is associated with a rubber cylinder (103) which is parallel to it. and with which he spares an interval clamping (101, 103). Passing through this interval, a leaf of absorbent paper in cellulose wadding undergoes deformations permanent mechanical by the pressure exerted by the reliefs of the metal cylinder.
  • the reliefs of the cylinder are divided into two patterns: a first pattern with protrusions with a height of at least 2 mm and a second pattern with protrusions of height equal to 0.6 mm for example.
  • the installation comprises a second pair of cylinders of embossing with a metal cylinder (105) of the same diameter and rotating in the same horizontal plane as the cylinder (101), it cooperates with a rubber cylinder (107) for embossing.
  • the cylinders (101) and (105) provide a gap between them tightening (101, 105) and are driven at rotational speeds opposite, synchronous, so as to roll over each other without slip.
  • the installation also includes a gluing system (110) with applicator cylinder (111) (rubber or other material equivalent) bearing on the cylinder (101) upstream of the tightening interval (101, 105).
  • a transfer cylinder (113) transfers the adhesive from a plunger cylinder (115) to the applicator cylinder (111).
  • the plunger cylinder (115) takes the glue in a tray.
  • the sheets (1, 2) of absorbent paper to be combined are supplied from coils (11, 12).
  • the sheet (1) is guided around the rubber cylinder (103) and passes in the meantime clamping (101, 103) from which it emerges embossed, by marrying the relief surface of the metal cylinder (101).
  • the cylinder applicator (111) then deposits adhesive, in metered quantity, on the surface of the protuberances of the sheet, forming flats.
  • the second sheet (2) also undergoes treatment mechanical embossing, by passing through the clamping interval (105, 107), then is associated with the sheet (1) in the interval of tightening (101, 105).
  • the resulting complex sheet is put in coil pending further processing.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Sanitary Thin Papers (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
  • Cartons (AREA)

Claims (6)

  1. Mehrlagiges Blatt aus saugfähigem Papier bestehend aus wenigstens zwei Blättern (1, 2) aus Kreppapier mit einer Flächenmasse von 12 bis 30 g/m2, wobei wenigstens eines ein erstes Prägemotiv (3) mit Buckeln aufweist, die in das Innere der mehrlagigen Anordnung gerichtet sind, eine Höhe zwischen 0,5 und 2,5 mm, eine Dichte zwischen 3 und 20 Buckeln pro cm2 haben und 5 bis 60 % der Oberfläche darstellen, dadurch gekennzeichnet, daß das geprägte Blatt ein zweites Prägemotiv (4) mit Buckeln, welche eine Höhe von 0,1 bis 0,30 mm aufweisen, enthält, wobei dessen Dichte zwischen 20 und 300 Buckeln pro cm2 liegt.
  2. Mehrlagiges Blatt nach Anspruch 1, dadurch gekennzeichnet, daß die Höhe der Buckel des zweiten Motivs (4) zwischen 0,1 und 0,2 mm liegt.
  3. Mehrlagiges Blatt nach Anspruch 2, dadurch gekennzeichnet, daß die Dichte des zweiten Motivs (4) zwischen 40 und 100 Buckeln pro cm2 liegt.
  4. Mehrlagiges Blatt nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß das Verhältnis der Dichte des zweiten Motivs (4) zu derjenigen des ersten Motivs (3) größer ist als 2.
  5. Mehrlagiges Blatt nach einem der vorangegangenen Ansprüche, dadurch gekennzeichnet, daß die beiden Blätter geprägt und durch die Buckel des ersten Motivs (3) nach dem sogenannten "Spitze/Spitze"-Verfahren miteinander verbunden sind.
  6. Mehrlagiges Blatt nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die beiden Blätter geprägt und durch die Buckel des ersten Motivs auf dem einen und die Buckel des zweiten Motivs auf dem anderen nach dem sogenannten "ineinandergeschachtelten" Verfahren miteinander verbunden sind.
EP93902304A 1991-12-09 1992-12-07 Mehrschichtiges absorbierendes papier Expired - Lifetime EP0570579B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9115209 1991-12-09
FR9115209A FR2684599B1 (fr) 1991-12-09 1991-12-09 Feuille complexe de papier absorbant.
PCT/FR1992/001156 WO1993012293A1 (fr) 1991-12-09 1992-12-07 Feuilles complexes de papier absorbant

Publications (2)

Publication Number Publication Date
EP0570579A1 EP0570579A1 (de) 1993-11-24
EP0570579B1 true EP0570579B1 (de) 1998-03-04

Family

ID=9419803

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93902304A Expired - Lifetime EP0570579B1 (de) 1991-12-09 1992-12-07 Mehrschichtiges absorbierendes papier

Country Status (10)

Country Link
US (1) US6287676B1 (de)
EP (1) EP0570579B1 (de)
AT (1) ATE163701T1 (de)
DE (1) DE69224628T2 (de)
DK (1) DK0570579T3 (de)
ES (1) ES2114033T3 (de)
FI (1) FI98946C (de)
FR (1) FR2684599B1 (de)
NO (1) NO301895B1 (de)
WO (1) WO1993012293A1 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19820268C5 (de) * 1998-05-07 2010-12-23 Saueressig Gmbh & Co. Prägewerkzeug zum miteinander Verbinden oder Prägen einer oder mehrerer Lagen bahnförmiger Materialien, Verfahren zum Herstellen einer Prägeform für ein Prägewerkzeug, Verwendung einer Prägeform als Urform sowie Verfahren zum Herstellen von miteinander verbundenen oder geprägten Lagen bahnförmiger Materialien
FR2808816B1 (fr) * 2000-05-12 2003-05-30 Fort James France Produit en papier absorbant a structure dissymetrique
US7407560B2 (en) * 2001-02-16 2008-08-05 The Procter & Gamble Company Lotioned and embossed tissue paper
US20050230069A1 (en) * 2001-02-16 2005-10-20 Klaus Hilbig Method of making a thick and smooth embossed tissue
US7083845B2 (en) * 2001-02-23 2006-08-01 Georgia-Pacific France Sheet of absorbent creped paper, cylinder for embossing such a sheet and an embossing process
EP1321576A1 (de) * 2001-12-20 2003-06-25 SCA Hygiene Products AB Mehrlagiges Tissuepapier und Verfahren zu seiner Herstellung
ES2282221T3 (es) * 2001-12-27 2007-10-16 Georgia-Pacific France Hoja de papel gofrada.
EP1391174B1 (de) * 2002-08-22 2008-07-23 Georgia-Pacific France Rolle aus Zellstoffwatteblättern und Verfahren zu ihrer Herstellung
EP1455014B1 (de) * 2003-03-07 2011-08-17 Georgia-Pacific France Saugfähiges geprägtes Papierprodukt
ITFI20040053A1 (it) * 2004-03-04 2004-06-04 Perini Fabio Spa Prodotto plurivelo in carta o simili, metodo per la sua produzione e relativo impianto
EP1712163A1 (de) * 2005-04-12 2006-10-18 Comercial Feragus Ltda. Wegwerf-Tischset hergestellt aus geprägtem Papier, das mit gedrucktem Werbeanzeigen auf der Oberseite versehen ist und das nach Gebrauch als Reinigungsvorrichtung verwendbar ist.
ES2371663T3 (es) * 2006-08-17 2012-01-05 Sca Hygiene Products Gmbh Método para producir un producto de papel multicapa decorativo y dicho producto de papel multicapa.
AU2006351761B2 (en) * 2006-12-13 2013-07-11 Sca Hygiene Products Gmbh Method for manufacturing a hygiene product, apparatus for manufacturing a hygiene product and hygiene product
FR2918598B1 (fr) 2007-07-13 2011-07-15 Georgia Pacific France Feuille de papier absorbant crepe, cylindre de gaufrage d'une telle feuille et procede de gaufrage
ITBO20110121A1 (it) * 2011-03-14 2012-09-15 Andrea Bernacchi Carta goffrata multistrato e metodo per la realizzazione di detta carta goffrata
US9416496B2 (en) 2013-10-16 2016-08-16 Georgia-Pacific Consumer Products Lp Method for reducing the bulk and increasing the density of a tissue product
US9915034B2 (en) 2014-05-16 2018-03-13 Gpcp Ip Holdings Llc High bulk tissue product
USD840163S1 (en) 2014-05-16 2019-02-12 Gpcp Ip Holdings Llc Paper product
US20170328011A1 (en) * 2016-05-13 2017-11-16 First Quality Tissue, Llc Multi-ply tissue containing laminated and non-laminated embossed areas
US20230347639A1 (en) 2022-04-27 2023-11-02 Sofidel S.P.A. Embossing-laminating device with double height engraved rollers

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Publication number Priority date Publication date Assignee Title
US2043351A (en) * 1935-06-01 1936-06-09 Int Cellucotton Products Method of making a tissue paper product
US2854336A (en) * 1955-03-07 1958-09-30 Youngstown Arc Engraving Compa Method of forming a two-level photoengraved embossing plate or mold
US3142599A (en) * 1959-11-27 1964-07-28 Sealed Air Corp Method for making laminated cushioning material
US3399101A (en) * 1964-08-11 1968-08-27 Eugene A. Magid Valley printing effects and method of producing same
US3414459A (en) * 1965-02-01 1968-12-03 Procter & Gamble Compressible laminated paper structure
US3466212A (en) * 1965-03-24 1969-09-09 Mobil Oil Corp Quilted film process
US3547723A (en) * 1967-04-19 1970-12-15 Kimberly Clark Co Method of making paper toweling material
US3867225A (en) * 1969-01-23 1975-02-18 Paper Converting Machine Co Method for producing laminated embossed webs
US3738905A (en) * 1970-04-29 1973-06-12 Kimberly Clark Co Paper toweling material and method of combining into multi ply products
US3708366A (en) * 1970-11-25 1973-01-02 Kimberly Clark Co Method of producing absorbent paper toweling material
US3868205A (en) * 1973-03-15 1975-02-25 Kimberly Clark Co Embossed paper toweling and method of production
US4320162A (en) * 1980-05-15 1982-03-16 American Can Company Multi-ply fibrous sheet structure and its manufacture
FR2604734B1 (fr) * 1986-10-02 1989-01-06 Beghin Say Sa Feuille stratifiee absorbante

Also Published As

Publication number Publication date
FI933496A (fi) 1993-08-06
NO932807D0 (no) 1993-08-06
FI933496A0 (fi) 1993-08-06
EP0570579A1 (de) 1993-11-24
FI98946B (fi) 1997-05-30
FI98946C (fi) 1997-09-10
NO301895B1 (no) 1997-12-22
NO932807L (no) 1993-08-06
WO1993012293A1 (fr) 1993-06-24
ES2114033T3 (es) 1998-05-16
FR2684599B1 (fr) 1994-01-28
DE69224628D1 (de) 1998-04-09
US6287676B1 (en) 2001-09-11
DE69224628T2 (de) 1998-07-16
ATE163701T1 (de) 1998-03-15
FR2684599A1 (fr) 1993-06-11
DK0570579T3 (da) 1998-03-30

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