EP1052914B1 - Verwendung eines luftdurchlässigen papierblatts als trägerelement für stapel aus tüchern - Google Patents

Verwendung eines luftdurchlässigen papierblatts als trägerelement für stapel aus tüchern Download PDF

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Publication number
EP1052914B1
EP1052914B1 EP99900973A EP99900973A EP1052914B1 EP 1052914 B1 EP1052914 B1 EP 1052914B1 EP 99900973 A EP99900973 A EP 99900973A EP 99900973 A EP99900973 A EP 99900973A EP 1052914 B1 EP1052914 B1 EP 1052914B1
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EP
European Patent Office
Prior art keywords
sheet
permeability
paper
pores
sheet according
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
EP99900973A
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English (en)
French (fr)
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EP1052914A1 (de
Inventor
Christophe Guillaumot
Didier Bigot
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.)
Ahlstrom Brignoud AA
Original Assignee
AHLSTROM BRIGNOUD AA
Ahlstrom Brignoud A A
Ahlstrom Brignoud AA
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Publication date
Application filed by AHLSTROM BRIGNOUD AA, Ahlstrom Brignoud A A, Ahlstrom Brignoud AA filed Critical AHLSTROM BRIGNOUD AA
Publication of EP1052914A1 publication Critical patent/EP1052914A1/de
Application granted granted Critical
Publication of EP1052914B1 publication Critical patent/EP1052914B1/de
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/01—Means for holding or positioning work
    • B26D7/018—Holding the work by suction
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
    • D21F11/008—Making apertured paper
    • 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
    • D21H27/02—Patterned paper
    • 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
    • D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
    • D21H25/005—Mechanical treatment

Definitions

  • the present invention relates to the technical sector of clothing and it has specifically relates to a new type of sheet media used as conveyor / conveyor element of a mattress consisting of a plurality of layers overlapping textiles and which is intended to be cut in the form of panels elementary of suitable shape to be later assembled together to make the final product such as clothing.
  • the fabric mattress is placed on a support breathable and the cutting into elementary panels is obtained by creating a depression below said table, so that the stack is maintained perfectly plated during the cutting phase.
  • the mattress is covered at its upper part by a plastic film, airtight, which allows to densify said mattress during the cutting phase and avoids any displacement of the layers elementary with respect to each other.
  • the support consists of a layer of material into which the tool can penetrate and which has channels or passages, which allows the vacuum exerted below the stack to exert an action suction tending to press the material against the support table.
  • the object of the invention is to propose using a paper sheet breathable as a support element for a stack of fabric on a line of clothing, especially as a support during the cutting phase.
  • Such paper sheets are per se known as is apparent in particular from patents EP-A-616 074, EP-A-483 816 and EP-A-426 288 and have been proposed for carrying out articles having a great capacity of absorption of liquids in view in particular use them as wiping materials, hygiene articles ...
  • the sheet structure has pores uniformly distributed over its entire surface, said pores having a diameter less than a millimeter and preferably between 50 and 150 microns.
  • the pores or fine perforations are distributed in the form of patterns comprising a central zone with high permeability to air surrounded by a denser fibrous area with lower permeability.
  • the pitch between the centers of two consecutive patterns is less than 5 mm and preferably less than 3 mm
  • the central zone with high permeability is free of fibers and has a total surface of the order from 1 to 2 mm 2 .
  • the permeability is maximized by subjecting the paper sheet produced, before drying, a texturing treatment which consists in locally displacing the fibers by means of jets or blades of fluid at the through coarse-textured canvas or a perforated cylinder like cylinder rotary screen printing type, so as to form patterns comprising a central area of high air permeability surrounded by an area lower permeability.
  • a texturing treatment which consists in locally displacing the fibers by means of jets or blades of fluid at the through coarse-textured canvas or a perforated cylinder like cylinder rotary screen printing type, so as to form patterns comprising a central area of high air permeability surrounded by an area lower permeability.
  • the latter may have consequence is to leave only a small amount left in the central part minority of fibers, or possibly achieve true free perforation fiber.
  • Such treatment can be carried out on machines of known type, by example of the type which is the subject in particular of FR-A-2 625 937.
  • the paper can be considered incorporating synthetic fibers into the cellulose pulp or artificial, and at a rate of 5 to 25%, the incorporation of such fibers having elsewhere a complementary effect of aerator of the leaf and, as a result of improvement permeability.
  • synthetic fibers such as polyester, polyamide, polypropylene, polyethylene, even artificial than viscose or even natural fibers such as linen or cotton for example.
  • a paper which can be used in accordance with the invention as an element support of a stack of fabrics on a clothing line from a classic paper composition made of 77% unbleached Kraft pine-type pulp from the south, and 8% unbleached fluff dough.
  • Binders consisting of 5% pregelatinized cationic starch are incorporated and 10% vinyl acetate latex, these binders being incorporated by any technique conventional such as padding, spraying or printing or "size-press” and in this case, a "size press".
  • the finished product After drying and crosslinking, the finished product is wound to the desired width by the user and has a structure as illustrated in FIG. 4.
  • a paper sheet is produced which can be used in accordance with the invention as support of a stack of fabrics by proceeding, before addition of the binder as in Example 1, to a texturing treatment by passing over a machine conventional treatment by blades or conventional fluid jets of the type of those marketed by ICBT PERFOJET.
  • All of the dough is fiberized / refined to just 15 degrees Schopper-Riegler about 30 g / liter of water.
  • Example 1 As in Example 1, a sufficient supply of water is made on the circuit. to obtain a final dilution of less than 1 g / liter, in this case 0.3 g / liter, which ensures the homogeneity of the dispersion of the fibers.
  • the fibrous web still wet thus formed receives a micro-perforation treatment by blade or jet of fluid on a conventional installation of the type PERFOJET, with perforated cylinder or through an open structure fabric with a water pressure of 5 to 80 bars.
  • a micro-perforation treatment by blade or jet of fluid on a conventional installation of the type PERFOJET, with perforated cylinder or through an open structure fabric with a water pressure of 5 to 80 bars.
  • Such treatment makes it possible to obtain locally a partial or total displacement of the fibers according to the design of the cylinder or the mesh of the Web.
  • the treatment is carried out with a blade of water at 9 bars.
  • binders are added by any appropriate means, padding, spraying, printing or "size press", these binders being based of a composition comprising 5% of pregelatinized cationic starch and 10% of vinyl acetate latex.
  • the finished product After drying and crosslinking, the finished product is wound to the desired width for the intended use having a structure as illustrated in FIG. 5.
  • Example 1 Compared to Example 1, a paper is obtained which has a permeability significantly superior to previous papers and which, compared to the product produced according to example 1, makes it even more suitable as a support for a stack of fabrics on a clothing line.
  • Example 2 is repeated except that incorporated into the pulp pulp reinforcing fibers.
  • the aqueous composition comprises 72% of unbleached kraft pulp of the pine type south and 9% unbleached fluff dough.
  • the whole dough is fiberized / refined at only 18 degrees Schopper-Riegler and we incorporate 5% polyester fibers, 1.7 decitex - cut 18 mm.
  • the mixing in water is carried out at a rate of approximately 15 to 20 g / liter.
  • the addition of water to the circuit is carried out in such a way that a final dilution of less than one gram / liter, ensuring homogeneity of the dispersion of the fibers which, in this example, is 0.3 g / liter.
  • Example 2 The wet fibrous web thus formed is similarly textured in Example 2, the fluid pressure being 11 bars and the water layer having been replaced by fluid jets, at a rate of approximately 100 jets / needles per meter of width to obtain a structure similar to that of Example 2 and which spring of figure 5.
  • a complementary bond is made by deposition of a composition of 5% pregelatinized cationic starch and 10% of vinyl acetate latex.
  • Such paper is also perfectly suited to serve as a support element. of a stack of fabrics on a clothing line.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Sanitary Thin Papers (AREA)
  • Nonwoven Fabrics (AREA)

Claims (9)

  1. Verwendung eines luftdurchlässigen Papierblattes als Trägerelement für einen Stoffstapel auf einer Konfektionslinie insbesondere beim Zuschneideschritt, dadurch gekennzeichnet, daß das Blatt in seiner Dickerichtung Poren bzw. feine Perforationen aufweist, die über seine gesamte Fläche verteilt sind, wobei das Blatt eine "Voluminosität" bzw. ein spezifisches Volumen in Kubikzentimetern pro Gramm von mehr als 2,5 besitzt, die es geeignet macht, den Durchtritt von Luft unter der Einwirkung eines unterhalb seiner unteren Oberfläche erzeugten Unterdrucks zuzulassen.
  2. Verwendung eines Blattes nach Anspruch 1, dadurch gekennzeichnet, daß das Blatt gleichmäßig über seine gesamte Fläche verteilte Poren aufweist, deren Durchmesser weniger als einen Millimeter und vorzugsweise.zwischen 50 und 150 µm beträgt.
  3. Verwendung eines Blattes nach Anspruch 1, dadurch gekennzeichnet, daß die Poren bzw. feinen Perforationen des Blattes in Form von Mustern verteilt sind, die eine mittlere Zone mit einer hohen Luftdurchlässigkeit aufweisen, umgeben von einer dichteren Faserzone mit einer geringeren Durchlässigkeit.
  4. Verwendung eines Blattes nach Anspruch 3, dadurch gekennzeichnet, daß die musterförmig verteilten Poren bzw. feinen Perforationen bei der Herstellung des Papierblattes vor seinem Trocknen hergestellt werden, indem es einer Strukturierungsbehandlung unterzogen wird, die darin besteht, die Fasern stellenweise mittels Flüssigkeitsstrahlen oder -schneiden durch ein Gewebe mit grober Struktur oder einen perforierten Zylinder vom Typ eines "Rotationsdruckzylinders" zu verschieben.
  5. Verwendung eines Blattes nach einem der Ansprüche 3 und 4, dadurch gekennzeichnet, daß der Abstand zwischen den Mitten von zwei aufeinanderfolgenden Mustern weniger als 5 mm und vorzugsweise weniger als 3 mm beträgt, wobei die mittlere Zone mit einer hohen Durchlässigkeit frei von Fasern ist und eine Gesamtfläche in der Größenordnung von 1 bis 2 mm2 besitzt.
  6. Verwendung eines Blattes nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß das Blatt gemäß einem Verfahren hergestellt wird, das besteht aus:
    Herstellen eines Filterpapiers unmittelbar auf einer Papierherstellungsmaschine ohne besondere Anpassung, und zwar solcherart, daß
    während der Herstellung des Zellstoffes werden die Cellulosefasern (Holzstoff) vereinzelt, ohne sie zu stark zu raffinieren, um die maximale Durchlässigkeit zu bewahren;
    der Zellstoff wird auf der Maschine auf eine sehr niedrige Konzentration von weniger als einem Gramm pro Liter gebracht, was es gestattet, ein bauschiges Blatt herzustellen; und
    das hergestellte Blatt wird im Feuchtteil der Maschine nicht komprimiert, um seine Durchlässigkeit zu bewahren.
  7. Verwendung eines Blattes nach Anspruch 6, dadurch gekennzeichnet, daß in den Cellulosezellstoff synthetische, künstliche oder natürliche Fasern eingebracht werden, wodurch es ermöglicht wird, die Reißfestigkeit des Papiers zu verbessern, und was einen zusätzlichen Effekt des Belüftens des Blattes und infolgedessen einer Verbesserung der Durchlässigkeit hat.
  8. Verwendung eines Blattes nach Anspruch 7, dadurch gekennzeichnet, daß die synthetischen oder künstlichen Fasern in einem Anteil von 5 bis 25% eingebracht werden.
  9. Verwendung eines Blattes nach einem der Ansprüche 6 bis 8, dadurch gekennzeichnet, daß in das Blatt bei seiner Herstellung ein zusätzliches Bindemittel eingebracht wird, das die Herstellung einer chemischen Bindung ermöglicht, welche die mechanischen Eigenschaften verbessert.
EP99900973A 1998-02-13 1999-01-20 Verwendung eines luftdurchlässigen papierblatts als trägerelement für stapel aus tüchern Expired - Lifetime EP1052914B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9801986A FR2774869B1 (fr) 1998-02-13 1998-02-13 Structure en feuille utilisable comme element support d'un empilement d'etoffes sur une ligne de confection et procede pour son obtention
FR9801986 1998-02-13
PCT/FR1999/000115 WO1999040809A1 (fr) 1998-02-13 1999-01-20 Utilisation d'une feuille papetiere permeable a l'air comme element support d'un empilement d'etoffes

Publications (2)

Publication Number Publication Date
EP1052914A1 EP1052914A1 (de) 2000-11-22
EP1052914B1 true EP1052914B1 (de) 2002-04-10

Family

ID=9523122

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99900973A Expired - Lifetime EP1052914B1 (de) 1998-02-13 1999-01-20 Verwendung eines luftdurchlässigen papierblatts als trägerelement für stapel aus tüchern

Country Status (10)

Country Link
EP (1) EP1052914B1 (de)
JP (1) JP2002502923A (de)
CN (1) CN1124095C (de)
AU (1) AU2061199A (de)
CA (1) CA2318384A1 (de)
DE (1) DE69901236T2 (de)
ES (1) ES2172978T3 (de)
FR (1) FR2774869B1 (de)
PT (1) PT1052914E (de)
WO (1) WO1999040809A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL233258B1 (pl) * 2017-07-10 2019-09-30 Politechnika Lodzka Papier o podwyższonej przepuszczalności powietrza i jednocześnie dobrych właściwościach wytrzymałościowych oraz sposób wytwarzania tego papieru
CN113173344B (zh) * 2021-03-26 2022-10-28 南通东鼎彩印包装厂 一种服饰内衬保证用加克重衬板
CN113293520B (zh) * 2021-06-01 2022-05-13 山西鑫隆植物纤维科技有限公司 一种蜂窝板生产设备及制造工艺

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3495492A (en) * 1969-05-05 1970-02-17 Gerber Garment Technology Inc Apparatus for working on sheet material
DE2238746C3 (de) * 1972-08-05 1978-04-20 Schubert & Salzer Maschinenfabrik Ag, 8070 Ingolstadt Vorrichtung zum Zuschneiden textiler Stoffbahnen
US5098519A (en) * 1989-10-30 1992-03-24 James River Corporation Method for producing a high bulk paper web and product obtained thereby
US5137600A (en) * 1990-11-01 1992-08-11 Kimberley-Clark Corporation Hydraulically needled nonwoven pulp fiber web
CA2096978A1 (en) * 1993-03-18 1994-09-19 Michael A. Hermans Method for making paper sheets having high bulk and absorbency

Also Published As

Publication number Publication date
PT1052914E (pt) 2002-07-31
JP2002502923A (ja) 2002-01-29
EP1052914A1 (de) 2000-11-22
AU2061199A (en) 1999-08-30
CA2318384A1 (fr) 1999-08-19
FR2774869B1 (fr) 2000-04-14
CN1290136A (zh) 2001-04-04
CN1124095C (zh) 2003-10-15
DE69901236T2 (de) 2002-08-22
WO1999040809A1 (fr) 1999-08-19
FR2774869A1 (fr) 1999-08-20
ES2172978T3 (es) 2002-10-01
DE69901236D1 (de) 2002-05-16

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