EP0528852B1 - Gewebe aus kunststoff-monofilamenten für den einsatz als entwässerungssieb einer papiermaschine - Google Patents

Gewebe aus kunststoff-monofilamenten für den einsatz als entwässerungssieb einer papiermaschine Download PDF

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Publication number
EP0528852B1
EP0528852B1 EP91908667A EP91908667A EP0528852B1 EP 0528852 B1 EP0528852 B1 EP 0528852B1 EP 91908667 A EP91908667 A EP 91908667A EP 91908667 A EP91908667 A EP 91908667A EP 0528852 B1 EP0528852 B1 EP 0528852B1
Authority
EP
European Patent Office
Prior art keywords
ply
weft
threads
warp threads
thread
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
EP91908667A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0528852A1 (de
Inventor
Walter Kovar
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.)
Hutter and Schrantz AG
Original Assignee
Hutter and Schrantz AG
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 Hutter and Schrantz AG filed Critical Hutter and Schrantz AG
Publication of EP0528852A1 publication Critical patent/EP0528852A1/de
Application granted granted Critical
Publication of EP0528852B1 publication Critical patent/EP0528852B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
    • D03D15/283—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads synthetic polymer-based, e.g. polyamide or polyester fibres
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
    • D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]

Definitions

  • the invention relates to a fabric made of plastic monofilaments for use as a drainage screen of a paper machine, based on a family of warp threads and three layers of weft threads, which are connected by these warp threads.
  • a three-layer fabric corresponding to the type mentioned at the outset is known from DE-A-2 455 185.
  • Each two adjacent layers, which are bound by their own warp threads, are connected by separate binding threads, the binding threads designed as warp threads connecting the two layers to one another in such a way that the finished layer does not have an absolutely flat surface layer, so that through the different levels of screen markings are caused to a greater extent.
  • the aim of the present invention is to prevent markings and to be able to use sieves with longer floating weft threads on the running side even in high-speed machines at speeds above 400 m / min. Furthermore, the drainage capacity should be as large as possible. This is achieved in that the weft threads combined in groups are bound both by warp threads which only pass through the upper two layers and by warp threads which pass through all three layers.
  • the middle weft layer bound in this way creates a greater distance between the nonwoven surface and the standing support elements of the paper machine, so that the turbulence effects of the long floating lower weft threads no longer strike the nonwoven. It therefore causes a disturbance of this turbulence and dampens its effect on the fleece in a vertical direction due to the narrowing free space of the screen construction. Markings practically no longer appear. Due to the narrowing free space upwards, the drainage ability is not impaired.
  • Another object of the invention is to make the arch of the lower weft layer protrude more towards the barrel side so that more volume of the lower weft thread can be ground off before the warp knuckles on the barrel side are ground.
  • each weft thread of the lower layer is gripped from below by two, preferably not adjacent warp threads and pulled up against the warp threads lying between the weft thread of the middle layer and itself, so that the arch directed towards the outside of the sieve is maximally formed can.
  • four wefts of the upper layer with two wefts of the middle layer and one weft of the lower layer form a group, with two warp threads lying next to one another, one thread from the wefts of the upper layer two above, one below, and two binds above, then passes through the middle layer and passes through the weft of the lower layer of the third group below, then again binds the upper layer after half the repeat length as before, then runs through the middle layer and ties the lower weft of the seventh group, while everyone second warp thread in the repeat increase offset the upper layer binds, but then runs in the same way under the weft threads of the middle layer and in the second half of the repeat.
  • the wefts of the middle layer expediently consist of a high molecular weight polyester material with an elongation at break of less than 30% and a viscosity index of the polymer of above 0.90.
  • the number of shafts is advantageously 14 or 16.
  • Figure 1 shows a section parallel to the chain and Figure 2 parallel to the weft of the fabric.
  • Figure 3 shows the weave pattern of a 14-strand fabric.
  • two of the weft threads of the upper layer 1, 3, 4, 7, 8, 10 etc. are assigned to one weft thread of the middle layer 2, 6, 9, 13 and so on.
  • Four weft threads of the upper layer, two of the middle and one of the lower layer form a weft group.
  • the warp threads 2 ', 4', 6 ', 8' etc. are arranged so that they bind the weft threads of the upper layer in the rhythm 2/1/2, then run through the middle layer and tie the weft of the lower layer before they go up again. This course is repeated once more in the bond repeat.
  • a second warp thread sheet 1 ', 3', 5 ', 7' and so on is guided in the upper position in the same way as 2 ', 4', 6 'and so on, but then runs only under the weft threads of the middle group, without a thread the lower group.
  • the next warp thread of the first group 4 '(after 2') is guided so that it ties the same weft thread 19 in the lower layer.
  • each weft thread of the lower layer is tied by two warp threads. As shown in the cross section of the binding (Fig.2), then lie between the weft of the lower layer 5 and that of the middle layer 6, the warp threads 1 ', 3', 6 ', 8' and 13 ', which the bow of the weft 5th Deform to the outside when weaving and even more when heat setting the screen.
  • warp threads 1 ', 3', 6 ', 8', 13 'in Fig.2 which form a stronger arc of the lower Guide the weft thread to the barrel side, which also increases the volume of abrasion of the sieve, since a larger volume of the lower weft thread can be sanded before the warp threads are sanded on the barrel side.
  • the warp threads 1 ', 3', 6 ', 8', 13 ' which pass through in the space between the middle and the lower weft position are distributed as evenly as possible between the binding points of the lower weft (10', 12 ').
  • the material of the middle weft thread is chosen so that it is as little deformed and stiff as possible during the weaving and heat setting process.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Woven Fabrics (AREA)
  • Paper (AREA)
  • Artificial Filaments (AREA)
EP91908667A 1990-05-08 1991-04-23 Gewebe aus kunststoff-monofilamenten für den einsatz als entwässerungssieb einer papiermaschine Expired - Lifetime EP0528852B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT1037/90 1990-05-08
AT1037/90A AT393521B (de) 1990-05-08 1990-05-08 Gewebe aus kunststoff-monofilamenten fuer den einsatz als entwaesserungssieb einer papiermaschine
PCT/AT1991/000060 WO1991017292A1 (de) 1990-05-08 1991-04-23 Gewebe aus kunststoff-monofilamenten für den einsatz als entwässerungssieb einer papiermaschine

Publications (2)

Publication Number Publication Date
EP0528852A1 EP0528852A1 (de) 1993-03-03
EP0528852B1 true EP0528852B1 (de) 1994-07-13

Family

ID=3505240

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91908667A Expired - Lifetime EP0528852B1 (de) 1990-05-08 1991-04-23 Gewebe aus kunststoff-monofilamenten für den einsatz als entwässerungssieb einer papiermaschine

Country Status (7)

Country Link
US (1) US5358014A (ja)
EP (1) EP0528852B1 (ja)
JP (1) JPH05506894A (ja)
AT (2) AT393521B (ja)
CA (1) CA2080811A1 (ja)
DE (1) DE59102193D1 (ja)
WO (1) WO1991017292A1 (ja)

Families Citing this family (44)

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Publication number Priority date Publication date Assignee Title
US5713396A (en) * 1990-06-06 1998-02-03 Asten, Inc. Papermakers fabric with stacked machine and cross machine direction yarns
AT400854B (de) 1994-07-01 1996-04-25 Hutter & Schrantz Papiermaschi Gewebe zum einsatz als papiermaschinenbespannung
US5709250A (en) * 1994-09-16 1998-01-20 Weavexx Corporation Papermakers' forming fabric having additional fiber support yarns
US5518042A (en) * 1994-09-16 1996-05-21 Huyck Licensco, Inc. Papermaker's forming fabric with additional cross machine direction locator and fiber supporting yarns
US5983953A (en) * 1994-09-16 1999-11-16 Weavexx Corporation Paper forming progess
US5503196A (en) * 1994-12-07 1996-04-02 Albany International Corp. Papermakers fabric having a system of machine-direction yarns residing interior of the fabric surfaces
AT403486B (de) * 1995-12-19 1998-02-25 Hutter & Schrantz Papiermaschi Technisches gewebe für den einsatz in papiermaschinen
US5937914A (en) * 1997-02-20 1999-08-17 Weavexx Corporation Papermaker's fabric with auxiliary yarns
US5967195A (en) * 1997-08-01 1999-10-19 Weavexx Corporation Multi-layer forming fabric with stitching yarn pairs integrated into papermaking surface
US6158478A (en) * 1998-04-14 2000-12-12 Astenjohnson, Inc. Wear resistant design for high temperature papermachine applications
US6112774A (en) * 1998-06-02 2000-09-05 Weavexx Corporation Double layer papermaker's forming fabric with reduced twinning.
US6207598B1 (en) 1998-07-16 2001-03-27 Astenjohnson, Inc. Soft-faced dryer fabric
DE19859582A1 (de) * 1998-12-22 2000-06-29 Voith Fabrics Heidenheim Gmbh Drei- oder mehrlagiges Papiermaschinensieb in Form eines Verbundgewebes
US6123116A (en) * 1999-10-21 2000-09-26 Weavexx Corporation Low caliper mechanically stable multi-layer papermaker's fabrics with paired machine side cross machine direction yarns
US6179013B1 (en) 1999-10-21 2001-01-30 Weavexx Corporation Low caliper multi-layer forming fabrics with machine side cross machine direction yarns having a flattened cross section
US6585006B1 (en) 2000-02-10 2003-07-01 Weavexx Corporation Papermaker's forming fabric with companion yarns
US6244306B1 (en) 2000-05-26 2001-06-12 Weavexx Corporation Papermaker's forming fabric
US6253796B1 (en) 2000-07-28 2001-07-03 Weavexx Corporation Papermaker's forming fabric
US6745797B2 (en) 2001-06-21 2004-06-08 Weavexx Corporation Papermaker's forming fabric
US7008512B2 (en) * 2002-11-21 2006-03-07 Albany International Corp. Fabric with three vertically stacked wefts with twinned forming wefts
US20040099328A1 (en) * 2002-11-21 2004-05-27 Rougvie David S. Forming fabric with twinned top wefts and an extra layer of middle wefts
US6837277B2 (en) 2003-01-30 2005-01-04 Weavexx Corporation Papermaker's forming fabric
US6860969B2 (en) 2003-01-30 2005-03-01 Weavexx Corporation Papermaker's forming fabric
US7059357B2 (en) 2003-03-19 2006-06-13 Weavexx Corporation Warp-stitched multilayer papermaker's fabrics
US6896009B2 (en) 2003-03-19 2005-05-24 Weavexx Corporation Machine direction yarn stitched triple layer papermaker's forming fabrics
GB0317248D0 (en) * 2003-07-24 2003-08-27 Voith Fabrics Gmbh & Co Kg Fabric
US7243687B2 (en) * 2004-06-07 2007-07-17 Weavexx Corporation Papermaker's forming fabric with twice as many bottom MD yarns as top MD yarns
US7195040B2 (en) 2005-02-18 2007-03-27 Weavexx Corporation Papermaker's forming fabric with machine direction stitching yarns that form machine side knuckles
US7484538B2 (en) 2005-09-22 2009-02-03 Weavexx Corporation Papermaker's triple layer forming fabric with non-uniform top CMD floats
US7219701B2 (en) * 2005-09-27 2007-05-22 Weavexx Corporation Papermaker's forming fabric with machine direction stitching yarns that form machine side knuckles
DE102005060299A1 (de) * 2005-12-16 2007-06-21 Voith Patent Gmbh Papiermaschinensieb
DE102005060301A1 (de) * 2005-12-16 2007-06-21 Voith Patent Gmbh Papiermaschinenbespannung
US7275566B2 (en) * 2006-02-27 2007-10-02 Weavexx Corporation Warped stitched papermaker's forming fabric with fewer effective top MD yarns than bottom MD yarns
US8640862B2 (en) * 2006-04-10 2014-02-04 Albany International Corp. Seam-on laminated belt
US7580229B2 (en) 2006-04-27 2009-08-25 Hitachi Global Storage Technologies Netherlands B.V. Current-perpendicular-to-the-plane (CPP) magnetoresistive sensor with antiparallel-free layer structure and low current-induced noise
US7487805B2 (en) 2007-01-31 2009-02-10 Weavexx Corporation Papermaker's forming fabric with cross-direction yarn stitching and ratio of top machined direction yarns to bottom machine direction yarns of less than 1
US7624766B2 (en) * 2007-03-16 2009-12-01 Weavexx Corporation Warped stitched papermaker's forming fabric
US20090183795A1 (en) 2008-01-23 2009-07-23 Kevin John Ward Multi-Layer Papermaker's Forming Fabric With Long Machine Side MD Floats
CA2622653A1 (en) * 2008-02-22 2009-08-22 Roger Danby Triple weft layer double wrap industrial filtration fabric
US7766053B2 (en) 2008-10-31 2010-08-03 Weavexx Corporation Multi-layer papermaker's forming fabric with alternating paired and single top CMD yarns
US8251103B2 (en) 2009-11-04 2012-08-28 Weavexx Corporation Papermaker's forming fabric with engineered drainage channels
DE102013214075A1 (de) 2013-07-18 2015-01-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Gewebe mit Polymerschicht
CN205205569U (zh) * 2015-12-09 2016-05-04 江苏金呢工程织物股份有限公司 高速纸机用高耐磨造纸成形网
DE102016015336A1 (de) * 2016-12-21 2018-06-21 Giesecke+Devrient Currency Technology Gmbh Entwässerungssieb für die Papierherstellung

Family Cites Families (15)

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US2854032A (en) * 1953-08-20 1958-09-30 William E Hooper And Sons Comp Dryer felt
US3885603A (en) * 1973-11-21 1975-05-27 Creech Evans S Papermaking fabric
US4327779A (en) * 1978-08-09 1982-05-04 Scapa Dryers, Inc. Dryer felt having a soft, bulky surface
US4438788A (en) * 1980-09-30 1984-03-27 Scapa Inc. Papermakers belt formed from warp yarns of non-circular cross section
US4356225A (en) * 1981-05-18 1982-10-26 Ascoe Felts, Inc. Papermarkers interwoven wet press felt
US4379735A (en) * 1981-08-06 1983-04-12 Jwi Ltd. Three-layer forming fabric
SE441016B (sv) * 1982-04-26 1985-09-02 Nordiskafilt Ab Formeringsvira for pappers-, cellulosa- eller liknande maskiner
DE3301810C2 (de) * 1983-01-20 1986-01-09 Hermann Wangner Gmbh & Co Kg, 7410 Reutlingen Verbund-Gewebe als Bespannung für den Blattbildungsteil einer Papiermaschine
DE3305713C1 (de) * 1983-02-18 1984-04-19 Hermann Wangner Gmbh & Co Kg, 7410 Reutlingen Verbund-Gewebe als Bespannung fuer den Blattbildungsteil einer Papiermaschine
SE435739B (sv) * 1983-02-23 1984-10-15 Nordiskafilt Ab Formeringsvira av dubbelvevnadstyp
US4537816A (en) * 1983-04-13 1985-08-27 Ascoe Felts, Inc. Papermakers superimposed felt with voids formed by removing yarns
US4709732A (en) * 1986-05-13 1987-12-01 Huyck Corporation Fourteen harness dual layer weave
AT386026B (de) * 1986-05-15 1988-06-27 Hutter & Schrantz Ag Mehrlagiges gewebe aus kunststoffmonofilamenten
FI78329B (fi) * 1987-02-10 1989-03-31 Tamfelt Oy Ab Pappersmaskinduk.
US5199467A (en) * 1990-06-06 1993-04-06 Asten Group, Inc. Papermakers fabric with stacked machine direction yarns

Also Published As

Publication number Publication date
EP0528852A1 (de) 1993-03-03
WO1991017292A1 (de) 1991-11-14
JPH05506894A (ja) 1993-10-07
US5358014A (en) 1994-10-25
DE59102193D1 (de) 1994-08-18
CA2080811A1 (en) 1991-11-09
ATA103790A (de) 1991-04-15
ATE108495T1 (de) 1994-07-15
AT393521B (de) 1991-11-11

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