EP0124083B1 - Filzgewebebahnen für Papiermaschine - Google Patents

Filzgewebebahnen für Papiermaschine Download PDF

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Publication number
EP0124083B1
EP0124083B1 EP84104679A EP84104679A EP0124083B1 EP 0124083 B1 EP0124083 B1 EP 0124083B1 EP 84104679 A EP84104679 A EP 84104679A EP 84104679 A EP84104679 A EP 84104679A EP 0124083 B1 EP0124083 B1 EP 0124083B1
Authority
EP
European Patent Office
Prior art keywords
loops
weft
zone
planes
group
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
Application number
EP84104679A
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English (en)
French (fr)
Other versions
EP0124083A1 (de
Inventor
Maurice Gauthier
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.)
COFPA Compagnie des Feutres pour Papeteries et des Tissus Industriels SA
Original Assignee
COFPA Compagnie des Feutres pour Papeteries et des Tissus Industriels SA
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9288565&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0124083(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by COFPA Compagnie des Feutres pour Papeteries et des Tissus Industriels SA filed Critical COFPA Compagnie des Feutres pour Papeteries et des Tissus Industriels SA
Priority to AT84104679T priority Critical patent/ATE23580T1/de
Publication of EP0124083A1 publication Critical patent/EP0124083A1/de
Application granted granted Critical
Publication of EP0124083B1 publication Critical patent/EP0124083B1/de
Expired 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
    • D21F1/0054—Seams thereof
    • 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

  • the present invention relates to a woven strip with n weft planes intended in particular for the paper industry comprising weft threads and warp threads, some of which serve to form loops at the ends of the strip and whose areas adjacent to the loops have a thickness of m (m> 1) weft planes.
  • Such woven bands are used in particular in the paper industry in particular as a drying fabric.
  • the strip is wrapped around the drying cylinders of the papermaking machine and then joined.
  • each zone adjacent to the loops comprises, for each weave ratio of the warp threads, a first group of warp threads forming a lower layer of p weft planes and an upper layer folded over the lower layer having (m - p) weft planes and a second group of warp threads forming a layer having m weft planes, at least some of the warp threads of the first group serving to build loops.
  • the loops obtained by the warp threads of group G1 are in planes perpendicular to the wefts and are therefore much less bulky. We can therefore increase the density of these loops and consequently increase the solidity of the junction.
  • the area near the loops is thicker than the rest of the strip (m> n), which makes it possible to use loops of a height greater than the thickness of the strip but obviously without exceed the thickness of the area near the loops to avoid marking of the paper by the loops and abrasion of the loops.
  • the area near the loops has the same thickness as the rest of the strip, which prevents the paper from being marked by the extra thicknesses.
  • the woven strip 11 shown in FIG. 1 has two ends 12 provided with loops 13. When the loops 13 are interlaced, a rod 14 can be introduced to join the strip.
  • Each loop 13 is formed by a warp thread 15 which, during the reweaving with the weft threads 16, has taken the place of the neighbor warp thread 17 interrupted at a certain distance from the end 12.
  • the strip has two weft planes (a, b).
  • the weft threads 16 are shown by dots.
  • the end of the strip was cut into four zones in order A, B, C, D, zone D comprising the loops 13 and zone A the unmodified band.
  • Each armor ratio of the warp threads in zones B and C comprises a first group G1 made up of four warp threads 1, 2, 3, 4 and a second group G2 made up of four warp threads 5, 6, 7, 8.
  • the warp threads 1 , 2, 3, 4 pass under a weft thread of plane a then on a weft thread of plane b located two intervals away and then under a weft thread of plane a located two intervals further and so on.
  • Zone A represents the band.
  • the wires 1 to 4 form four adjacent loops 13.
  • the wires 1, 2.3.4 form an upper layer 20 'folded over the lower layer 20 making extra thickness on the reverse of the strip.
  • Each warp thread 1, 2, 3, 4 passes successively over a weft thread and below three weft threads.
  • Wires 1 to 4 are interrupted towards the end of zone C.
  • the warp threads 5, 6, 7, 8 work between the two planes a, b in zone A.
  • zone B the wires 6 and 8 are interrupted.
  • the wires 5 and 7 work between two planes a, b in zone B and between three planes a, b, c in zone C.
  • zone C wires 5 and 7 Arrived at the end of zone C wires 5 and 7 have been arranged during the reweaving by passing them in place of the wires 6 and 8, going up to the vicinity of the end of the wires 6 and 8 where they are interrupted.
  • each wire 5 and 7 passes under a weft wire of plane a, then on a weft wire of plane c located two intervals further and so on until the end of zone C.
  • each wire 5 and 7 passes on the weft son of plane c and under the weft son of plane a along a path symmetrical with respect to plane b of the path followed on the outward journey.
  • zone C the wires 5 and 7 serve to connect the lower layer 20 to the upper layer 20 '.
  • the four wires 5, 6, 7, 8 could alternatively be used up to the end of the zone C close to the zone D by making the four wires evolve between the three planes a, b and c and by cutting these four wires at the end of zone C.
  • the wires from group G2, 6 and 8 are interrupted in zone B and the wires 5 and 7 constitute zone C. These wires 5 and 7 are rewoven, taking the place of wires 6 and 8 as in the example in the figure 2.
  • FIGS. 2 and 3 only one end of the strip has been shown, but it is clear that the other end is preferably made in a similar manner so that the zones comprising the loops can cooperate as best as possible with the rod. tape operation.

Landscapes

  • Paper (AREA)
  • Woven Fabrics (AREA)
  • Adhesive Tapes (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)

Claims (3)

1. Gewebebahn mit n Schußebenen insbesondere für die Papierindustrie, mit Schußfäden (16) und mit Kettfäden (1, 2, 3, 4, 5, 6, 7, 8), von denen einige dazu dienen, an den Enden (12) der Bahn (11) Schlaufen (13) zu bilden, und bei denen die den Schlaufen (13) benachbarten Bereiche (C) eine Dicke von m (m > 1) Schußebenen haben, dadurch gekennzeichnet, daß jeder den Schlaufen (13) benachbarte Bereich (C) für jeden Armierungsrapport der Kettfäden (1, 2, 3, 4, 5, 6, 7, 8) eine erste Gruppe (G1) von Kettfäden (1, 2, 3, 4), die eine untere Schicht (20) von p Schußebenen und eine obere Schicht (20') bilden, welche auf die untere Schicht (20) umgeschlagen ist und (m - p) Schußebenen hat, und eine zweite Gruppe (G2) von Kettfäden (5, 7) aufweist, die eine Schicht mit m Schußebenen bildet, wobei mindestens einige der Kettfäden (1, 2, 3, 4) der ersten Gruppe (G1) dazu dienen, Schlaufen (13) zu bilden.
2. Gewebebahn nach Anspruch 1, dadurch gekennzeichnet, daß der Bereich (C) in der Nähe der Schlaufen (13) dicker ist als der Rest der Bahn (11) (m > n).
3. Gewebebahn nach Anspruch 1, dadurch gekennzeichnet, daß der Bereich (C) in der Nähe Schlaufen (13) die gleiche Dicke hat wie der Rest der Bahn (11) (m = n).
EP84104679A 1983-05-03 1984-04-26 Filzgewebebahnen für Papiermaschine Expired EP0124083B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84104679T ATE23580T1 (de) 1983-05-03 1984-04-26 Filzgewebebahnen fuer papiermaschine.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8307404 1983-05-03
FR8307404A FR2545514B1 (fr) 1983-05-03 1983-05-03 Bande tissee en particulier pour l'industrie papetiere

Publications (2)

Publication Number Publication Date
EP0124083A1 EP0124083A1 (de) 1984-11-07
EP0124083B1 true EP0124083B1 (de) 1986-11-12

Family

ID=9288565

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84104679A Expired EP0124083B1 (de) 1983-05-03 1984-04-26 Filzgewebebahnen für Papiermaschine

Country Status (5)

Country Link
EP (1) EP0124083B1 (de)
AT (1) ATE23580T1 (de)
DE (1) DE3461305D1 (de)
FI (1) FI78140C (de)
FR (1) FR2545514B1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8519706D0 (en) * 1985-08-06 1985-09-11 Scapa Porritt Ltd Papermachine &c clothing
EP0384550A3 (de) * 1986-03-31 1990-11-28 Jerome B. Ackerman Messfühler
CN104179059B (zh) * 2014-07-14 2016-04-06 四川环龙技术织物有限公司 接缝造纸毛毯的基网划线成环工艺

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1518096A (fr) * 1966-03-11 1968-03-22 J J Marx G M B H Procédé de liaison sans fin de courroies et bandes, en particulier pour feutres etétamines de machines à papier
DE2064085A1 (en) * 1970-12-28 1972-07-13 Württembergische Filztuchfabrik D. Geschmay GmbH, 7320 Göppingen Splicing of fabric ends - particularly multilayer papermaking dryer fabrics
US4103717A (en) * 1976-06-18 1978-08-01 William Kenyon & Sons, Inc. Seam webbing
US4250822A (en) * 1979-12-06 1981-02-17 Asten Group, Inc. Low bulk, pin-type seam for use in paper making equipment fabrics, such as dryer felts
US4315049A (en) * 1979-12-06 1982-02-09 Asten Group, Incorporated Stitchless low bulk, pin-type seam for use in paper making equipment fabrics, such as dryer felts

Also Published As

Publication number Publication date
FI841678A7 (fi) 1984-11-04
FI78140C (fi) 1989-06-12
ATE23580T1 (de) 1986-11-15
FR2545514A1 (fr) 1984-11-09
FI841678A0 (fi) 1984-04-27
FR2545514B1 (fr) 1985-07-05
DE3461305D1 (en) 1987-01-02
FI78140B (fi) 1989-02-28
EP0124083A1 (de) 1984-11-07

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