EP1000196A1 - Toile multicouche pour la region humide d'une machine a papier et produit fabrique avec celle-ci - Google Patents

Toile multicouche pour la region humide d'une machine a papier et produit fabrique avec celle-ci

Info

Publication number
EP1000196A1
EP1000196A1 EP98943749A EP98943749A EP1000196A1 EP 1000196 A1 EP1000196 A1 EP 1000196A1 EP 98943749 A EP98943749 A EP 98943749A EP 98943749 A EP98943749 A EP 98943749A EP 1000196 A1 EP1000196 A1 EP 1000196A1
Authority
EP
European Patent Office
Prior art keywords
threads
layer sieve
sieve according
constriction
points
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.)
Granted
Application number
EP98943749A
Other languages
German (de)
English (en)
Other versions
EP1000196B1 (fr
Inventor
Hans-Jürgen Lamb
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 Germany GmbH
Original Assignee
SCA Hygiene Products 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 SCA Hygiene Products GmbH filed Critical SCA Hygiene Products GmbH
Publication of EP1000196A1 publication Critical patent/EP1000196A1/fr
Application granted granted Critical
Publication of EP1000196B1 publication Critical patent/EP1000196B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • D21F11/006—Making patterned paper
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/0027—Screen-cloths
    • D21F1/0036—Multi-layer screen-cloths

Definitions

  • Multi-layer screen for the wet area of a paper machine and the product made with it
  • the invention relates to a multi-layer sieve for the wet area of a paper machine, in particular for tissue production, with at least two layers made from threads, preferably woven threads, which are connected to each other by additional threads intertwined with the layers and a product produced therewith.
  • silk or tissue paper with a network-like structure in which the normally flat, homogeneous, normally inflexible structure of the dried silk or tissue paper due to the differences in basis weight generated in the sheet formation in the macroscopic area in a flat, inhomogeneous, network-like structure is transferred, which reacts flexibly when subjected to external forces.
  • the creping process which is usually carried out in the manufacture of tissue paper makes the tissue paper more flexible compared to the stresses caused by external forces, but predominantly in the machine direction.
  • the higher flexibility in the machine direction that can be achieved with creping in the case of a homogeneous paper structure manifests itself in an increased working capacity with the result of greater flexibility in the machine direction.
  • the flexibility of the paper and thus also of a silk or tissue paper can be additionally improved, whereby this improvement is not limited to the machine direction, but can also be achieved in the cross machine direction .
  • the network-like structure is achieved by varying the basis weight, areas of high basis weight and areas of low basis weight in the macroscopic range being one another alternate.
  • the variation in the basis weight is achieved by varying the drainage capacity of the sieve.
  • the openness of the sieve can also be varied by combining different weaving patterns.
  • the base fabric of the structure-forming sieve can have one or more layers, but preferably two layers. As has already been mentioned in connection with US Pat. No. 5,219,004, it is already known to connect the layers to one another by means of additional threads.
  • the additional threads together with the threads forming the layers form narrowing points distributed over the width and length of the sieve, through which significantly less water can flow off than through the adjacent areas.
  • This solution is characterized in that the additional threads used for connecting the layers of the sieve are used to form the closed zones or essentially closed zones of the sieve, the essentially open zones being formed in the regions of the sieve, where the additional threads do not close the stitches in the base fabric.
  • a double function is achieved with the additional threads.
  • Such a sieve can be used to produce a significantly improved paper product, in particular silk or tissue paper.
  • the additional threads can form constriction z. B. run in the machine direction and appear at predetermined locations on the top of the screen or the location there and these as constriction points in
  • constriction points for the formation of longitudinal sections can also be strung together to some extent perpendicular to the machine direction and partially in the machine direction.
  • the longitudinal sections can also be aligned alternately in opposite directions.
  • the longitudinal sections can also be arranged in parallel within the same orientations in groups.
  • constriction points can be strung together to form zigzag or wavy courses.
  • constriction points can be arranged so that closed or at least partially open, but also continuous courses are formed.
  • the arrangement of the constriction points can also be such that discontinuous courses are available alone or together with continuous courses.
  • a paper product produced with such a sieve, in particular silk or tissue paper, has considerably improved properties, in particular with regard to the so-called feel or softness.
  • Figure 1 is a plan view of a multi-layer sieve according to the invention.
  • Figure la is a sectional view through the screen of Figure 1 along the section line a-a.
  • FIG. 1b shows a sectional view through the sieve according to FIG. 1 along the section line b-b;
  • 6 to 12 are schematic representations of further multi-layer sieves with different configurations of the layer arrangement of additional threads as connecting threads;
  • FIG. 13a shows a conventional flat, homogeneous tissue paper before and after applying a stretching force (arrows);
  • FIG. 13b shows a flat, inhomogeneous, network-like tissue paper according to the invention, also before and after applying a stretching force (arrows).
  • the double-layer sieve is designed as a fabric, with an upper fabric 10 and a lower fabric 11.
  • the machine direction of the screen is indicated by the arrow A.
  • the threads 12a of the upper fabric paper-touched side
  • the threads 12b of the upper fabric can be designed as warp threads, but also as weft threads, but preferably as warp threads. same for correspondingly vice versa for the threads 12b of the upper fabric. In the same way, this applies accordingly to the threads 13a and 13b of the lower fabric.
  • additional threads 14 run as connecting threads 14 in the same direction and parallel to the threads 12a in such a way that, as shown in FIG. 1b, the additional threads 14 run between the threads 13b and threads 13c of the lower fabric 11 and on the thread from FIG 1 visible places close stitches 15 by appearing there on the upper side of the upper fabric 10 and running above threads 12c of the upper fabric.
  • the additional threads 14 form constriction points 16 in the machine running direction. Lined up obliquely to the machine direction A, these constriction points 16 result in constriction regions 17 designed as longitudinal sections. Purely by way of example, two parallel constriction regions 17 and 18 are provided in each direction. Alternating such constriction areas are in z. B.
  • FIG. 2 shows a product that was produced with a sieve structure according to FIG. 1. The areas marked in dark form the aforementioned network-like structure. This creates a coherent zone of high basis weight. The same applies to the product according to FIGS. 3, 4 and 5.
  • FIGS. 3 shows a product that was produced with a sieve structure according to FIG. 1. The areas marked in dark form the aforementioned network-like structure. This creates a coherent zone of high basis weight. The same applies to the product according to FIGS. 3, 4 and 5.
  • the dark areas, which mean high weight, can also be those with low weight and which are light represented area parts, which mean low basis weight, correspondingly be those with high basis weight (see the example of FIGS. 2a, 3a). Then the brightly colored areas form the aforementioned network-like structure.
  • FIGS. 6 to 8 Further modifications of the sieve structure can be seen schematically in FIGS. 6 to 8.
  • the parts by area having a low basis weight form the aforementioned network-like structure.

Landscapes

  • Paper (AREA)
  • Filtering Materials (AREA)

Abstract

L'invention concerne une toile multicouche (10, 11) destinée à la région humide d'une machine à papier, ainsi qu'un papier de soie fabriqué avec cette toile, laquelle est constituée de fils, de préférence de fils tissés en au moins deux nappes, qui sont reliés entre eux par des fils supplémentaires (14) entrelacés avec les nappes. Ces fils supplémentaires (14) forment, conjointement avec les fils constituant les nappes, des rétrécissements (16) répartis sur la largeur et la longueur de la toile et par lesquels peut s'écouler nettement moins d'eau que par les régions voisines. Disposés dans une séquence particulière, ces fils supplémentaires servent, au niveau des rétrécissements, de moyen pour influer sur l'égouttage à travers la toile en vue de fabriquer du papier de soie présentant des zones alternées de grammage élevé et de grammage faible. On obtient ainsi d'une manière particulièrement simple un papier de soie possédant une structure souple, mince, non homogène et réticulaire.
EP98943749A 1997-07-30 1998-07-21 Toile multicouche pour la region humide d'une machine a papier et produit fabrique avec celle-ci Expired - Lifetime EP1000196B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19732879 1997-07-30
DE19732879A DE19732879C2 (de) 1997-07-30 1997-07-30 Mehrlagiges Sieb für den Naßbereich einer Papiermaschine und damit hergestelltes Produkt
PCT/EP1998/004536 WO1999006629A1 (fr) 1997-07-30 1998-07-21 Toile multicouche pour la region humide d'une machine a papier et produit fabrique avec celle-ci

Publications (2)

Publication Number Publication Date
EP1000196A1 true EP1000196A1 (fr) 2000-05-17
EP1000196B1 EP1000196B1 (fr) 2001-11-21

Family

ID=7837409

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98943749A Expired - Lifetime EP1000196B1 (fr) 1997-07-30 1998-07-21 Toile multicouche pour la region humide d'une machine a papier et produit fabrique avec celle-ci

Country Status (18)

Country Link
EP (1) EP1000196B1 (fr)
JP (1) JP2001512192A (fr)
KR (1) KR20010022426A (fr)
CN (1) CN1272155A (fr)
AR (1) AR013263A1 (fr)
AT (1) ATE209270T1 (fr)
BR (1) BR9811566A (fr)
CA (1) CA2297800A1 (fr)
CO (1) CO5040193A1 (fr)
CZ (1) CZ2000296A3 (fr)
DE (1) DE19732879C2 (fr)
ES (1) ES2169546T3 (fr)
HR (1) HRP20000043A2 (fr)
HU (1) HUP0004860A2 (fr)
PL (1) PL187485B1 (fr)
SK (1) SK1122000A3 (fr)
TR (1) TR200000277T2 (fr)
WO (1) WO1999006629A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011124221A2 (fr) 2010-04-05 2011-10-13 Tim Frey Système, procédés et dispositifs pour la sécurisation de ressources
WO2011124220A1 (fr) 2010-04-04 2011-10-13 Tim Frey Système d'information, dispositifs et procédés pour des plateformes vidéo

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10003685A1 (de) * 2000-01-28 2001-08-02 Voith Paper Patent Gmbh Former und Verfahren zur Herstellung einer Tissuebahn
DE10003684A1 (de) * 2000-01-28 2001-08-02 Voith Paper Patent Gmbh Maschine sowie Verfahren zur Herstellung einer Tissuebahn
DE10003686A1 (de) * 2000-01-28 2001-08-23 Voith Paper Patent Gmbh Maschine sowie Verfahren zur Herstellung einer Tissuebahn
DE10145782A1 (de) 2001-09-17 2003-04-10 Giesecke & Devrient Gmbh Papiersieb zur Erzeugung zweistufiger Wasserzeichen und Verfahren zu dessen Herstellung
DE102004035522A1 (de) 2004-07-22 2006-03-16 Voith Fabrics Patent Gmbh Papiermaschinenbespannung
DE102005028254A1 (de) * 2005-06-17 2006-12-21 Voith Patent Gmbh Gewebeband
AU2014389042B2 (en) * 2014-04-02 2017-08-03 Essity Hygiene And Health Aktiebolag Absorbent paper product and method for manufacturing such absorbent paper product
US10081888B2 (en) * 2015-03-30 2018-09-25 Nippon Filcon Co., Ltd. Industrial two-layer fabric
JP7210785B1 (ja) 2022-01-11 2023-01-23 日本フイルコン株式会社 工業用織物
JP7210787B1 (ja) 2022-01-11 2023-01-23 日本フイルコン株式会社 工業用織物
JP7210786B1 (ja) 2022-01-11 2023-01-23 日本フイルコン株式会社 工業用織物

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3600530A1 (de) * 1986-01-10 1987-07-16 Wangner Gmbh Co Kg Hermann Verwendung einer papiermaschinenbespannung zur herstellung von tissue-papier oder poroesem vlies und dafuer geeignete papiermaschinenbespannung
US5245025A (en) * 1991-06-28 1993-09-14 The Procter & Gamble Company Method and apparatus for making cellulosic fibrous structures by selectively obturated drainage and cellulosic fibrous structures produced thereby
US5219004A (en) * 1992-02-06 1993-06-15 Lindsay Wire, Inc. Multi-ply papermaking fabric with binder warps

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9906629A1 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011124220A1 (fr) 2010-04-04 2011-10-13 Tim Frey Système d'information, dispositifs et procédés pour des plateformes vidéo
WO2011124221A2 (fr) 2010-04-05 2011-10-13 Tim Frey Système, procédés et dispositifs pour la sécurisation de ressources

Also Published As

Publication number Publication date
KR20010022426A (ko) 2001-03-15
WO1999006629A1 (fr) 1999-02-11
DE19732879A1 (de) 1999-02-04
AU730580B2 (en) 2001-03-08
AR013263A1 (es) 2000-12-13
PL187485B1 (pl) 2004-07-30
CN1272155A (zh) 2000-11-01
CO5040193A1 (es) 2001-05-29
CZ2000296A3 (cs) 2001-09-12
HRP20000043A2 (en) 2001-06-30
BR9811566A (pt) 2000-09-12
DE19732879C2 (de) 1999-07-22
ES2169546T3 (es) 2002-07-01
EP1000196B1 (fr) 2001-11-21
JP2001512192A (ja) 2001-08-21
TR200000277T2 (tr) 2001-03-21
PL338418A1 (en) 2000-11-06
SK1122000A3 (en) 2000-08-14
HUP0004860A2 (hu) 2001-06-28
CA2297800A1 (fr) 1999-02-11
ATE209270T1 (de) 2001-12-15
AU9154898A (en) 1999-02-22

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