EP0888478A1 - Reinforced stitched seam for high-tensile woven fabrics - Google Patents
Reinforced stitched seam for high-tensile woven fabricsInfo
- Publication number
- EP0888478A1 EP0888478A1 EP97915379A EP97915379A EP0888478A1 EP 0888478 A1 EP0888478 A1 EP 0888478A1 EP 97915379 A EP97915379 A EP 97915379A EP 97915379 A EP97915379 A EP 97915379A EP 0888478 A1 EP0888478 A1 EP 0888478A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- threads
- seam
- seam connection
- reinforcing
- 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.)
- Granted
Links
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
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S162/00—Paper making and fiber liberation
- Y10S162/904—Paper making and fiber liberation with specified seam structure of papermaking belt
Definitions
- the invention relates to seam connections for high tensile strength fabrics, as are used in particular in dryer fabrics for paper machine clothing.
- Low warp count fabrics e.g. 80/10 cm such as so-called "skip-dent” settings, or other fabrics with an open reed setting, have a relatively low seam tensile strength, regardless of whether flat wire or round wire is used not possible, since not only the low number of warp threads, but also a hinge effect caused thereby, negatively influences the tensile strength.
- the object of the invention is to propose a reinforcement of the seam connection with very high seam tear forces in fabrics of the generic type.
- At least one reinforcing thread is assigned to the warp thread loops at the seam connection point and the closing wire, which have loops arranged parallel to the warp thread loops in the eyelet area for receiving the closing wire.
- the seam tear forces are decisively increased due to the additional connecting thread or wire, which is incorporated loosely or a helical thread in the eyelet area.
- This thread or wire can consist of different materials, preferably of monofilaments with a round or flat cross-section, for example of polyester, peek, ryton, polyamide, PCTA, metal or the like, or as monoplasts and multipaste with different base yarns. All filaments can be braided or twisted, impregnated, sheaths, including carbon filaments or fibers. Furthermore, thin steel wires can be used. Reinforcing threads of the type according to the invention preferably have a thickness which is equal to or less than the thickness of the seam loops. For example, they are anchored behind one or more cross threads.
- the seam reinforcement around the locking wire is designed such that a warp thread loop of the warp thread of the one fabric part and a loop of the helical reinforcement thread on one side of the seam connection with a loop of the helical reinforcement strip and a warp Alternate the loop of the warp thread of the counter fabric piece.
- the structure of the reinforced seam connection is selected such that in the longitudinal axis of the closing wire a warp loop of the warp thread of one piece of fabric with a turn of the reinforcement spiral of this piece of fabric with a warp loop of a warp thread of the other piece of fabric and alternating a turn of the reinforcement strip of the other fabric piece, etc.
- an additional thread is loosely integrated or a separate thread is integrated in the eyelet area of the warp threads on both sides of the seam connection.
- a high-strength seam connection is achieved which significantly increases the seam tear strength.
- This is particularly advantageous for fabrics with a low number of warp threads, since a hinge effect caused thereby negatively influences the tear strength.
- Due to the increase in the tear strength of the seam there are further possibilities to better adapt the seams to the increased requirements in paper machine technology by using different material combinations in the eyelet area. Since the distance between the eyelets of two adjacent warp threads is reduced with such reinforcing threads, the hinge effect which disadvantageously stresses or damages the seam eyelets is eliminated.
- the invention is explained below in connection with the drawing using an exemplary embodiment. It shows:
- FIG. 1 shows a schematic basic illustration of two interconnected tissue sections
- FIG. 1 a shows a schematic basic illustration corresponding to FIG. 1, the two tissue sections being shown separated from one another,
- FIG. 3 is a perspective view of a fabric end with reinforcing thread for a seam connection according to the invention
- FIG. 5 shows a further embodiment of a reinforced seam connection according to the invention similar to the illustration according to FIG. 4,
- the fabric consists of two fabric sections 1 and 2, the facing ends of which are firmly connected to one another.
- the warp threads 3, 4 of the fabric section form loops at their ends.
- every second warp thread 3 has a greater length than the other half of the warp threads 4, so that the end boundary line runs in a meandering manner in the direction of the weft threads 5.
- Each of the above warp loops 6 is a turn 7 is associated with a helix 8, so that warp loops 6 and turns 7 are arranged next to one another in the transverse direction and form a common transverse axis X, along which a connecting wire 9 is guided through the loops 6 and turns 7.
- the fabric section 2 which is to be connected to the fabric section 1, consists of the warp threads 10, 1 1 and the weft threads 12, of which in turn the warp threads 10 in section 2 are longer than the warp threads 1 1, and the end boundary line also extends in a meandering manner , but laterally offset by a division, so that the warp threads 3 of section 1 of the fabric web and the warp threads 10 of section 2, as well as the warp threads 4 and the warp threads 1 1, run in a line in the longitudinal plane of the fabric web.
- Each of the warp thread loops 13 is assigned a turn 14, so that warp thread loops and turns are arranged next to one another in the transverse direction and form a common transverse axis.
- the helix 8 assigned to the warp threads of the fabric section 1 and the helix 15 assigned to the warp threads of the fabric section 2 are arranged alongside one another with the same axis and jointly take up the connecting wire 9 on their X axis.
- the coil 8 wraps around the one or more weft threads of the section 1 closest to the axis 9, the coil 1 5 wraps around the one or more weft threads of the section 2 closest to the axis X.
- the helix 15 preferably binds in the weft 17 that is closest to the end of the tissue section.
- further parallel weft threads adjoining the weft threads 17, that is to say the second, third or fourth last weft thread can optionally be included or enclosed together with the connecting wire in order to reinforce the anchoring of the helix.
- first section of fabric ... second section of fabric, 4 ... warp threads
Landscapes
- Woven Fabrics (AREA)
- Paper (AREA)
- Treatment Of Fiber Materials (AREA)
- Reinforced Plastic Materials (AREA)
- Ropes Or Cables (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19610696 | 1996-03-19 | ||
DE19610696 | 1996-03-19 | ||
PCT/EP1997/001346 WO1997035064A1 (en) | 1996-03-19 | 1997-03-15 | Reinforced stitched seam for high-tensile woven fabrics |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0888478A1 true EP0888478A1 (en) | 1999-01-07 |
EP0888478B1 EP0888478B1 (en) | 2000-06-14 |
Family
ID=7788696
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97915379A Expired - Lifetime EP0888478B1 (en) | 1996-03-19 | 1997-03-15 | Reinforced stitched seam for high-tensile woven fabrics |
Country Status (9)
Country | Link |
---|---|
US (1) | US6267068B1 (en) |
EP (1) | EP0888478B1 (en) |
AT (1) | ATE193913T1 (en) |
CA (1) | CA2249435A1 (en) |
DE (2) | DE19710877A1 (en) |
ES (1) | ES2149583T3 (en) |
NO (1) | NO311769B1 (en) |
PT (1) | PT888478E (en) |
WO (1) | WO1997035064A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8025969B2 (en) | 2008-10-21 | 2011-09-27 | Voith Paper Holding Gmbh & Co. Kg | PET yarns with improved loop tensile properties |
CN108316041A (en) * | 2017-12-27 | 2018-07-24 | 安徽普惠织物股份有限公司 | A kind of dry net network interface industry slide fastener sewing process |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9807704D0 (en) * | 1998-04-09 | 1998-06-10 | Scapa Group Plc | Fabric and seam construction |
US6378566B1 (en) | 2001-02-16 | 2002-04-30 | Albany International Corp. | Enhancements for seams in on-machine-seamable papermaker's fabrics |
US7135093B2 (en) * | 2003-03-20 | 2006-11-14 | Weavexx Corporation | Pin seamed papermaker's press felt with cross machine direction yarns woven in Dreher weave at seam loops |
ES2268516T3 (en) * | 2004-03-12 | 2007-03-16 | HEIMBACH GMBH & CO. | PAPER MACHINE TAPE. |
US20050211147A1 (en) * | 2004-03-24 | 2005-09-29 | Waterfield Laura M | Translucent applique cutwork machine embroidery and method |
KR100824682B1 (en) | 2006-09-29 | 2008-04-28 | 아스텐존슨 인코포레이티드 | Dryer fabric seam |
KR20090111905A (en) * | 2008-04-23 | 2009-10-28 | 현대자동차주식회사 | Method for assembling leather cover of steering wheel |
JP2010065343A (en) * | 2008-09-10 | 2010-03-25 | Ichikawa Co Ltd | Felt with seam for paper manufacture |
US10689796B2 (en) * | 2013-03-14 | 2020-06-23 | Albany International Corp. | Infinity shape coil for spiral seams |
US10689807B2 (en) * | 2013-03-14 | 2020-06-23 | Albany International Corp. | Industrial fabrics comprising infinity shape coils |
US10711380B2 (en) | 2017-07-13 | 2020-07-14 | Under Armour, Inc. | Article with embroidered tape segments |
US10786043B2 (en) | 2018-07-03 | 2020-09-29 | Under Armour, Inc. | Article with thermally bonded ribbon structure and method of making |
US10619280B2 (en) | 2018-07-03 | 2020-04-14 | Under Armour, Inc. | Method of making article with ribbon structure and embroidered edges |
US10736380B2 (en) | 2018-07-03 | 2020-08-11 | Under Armour, Inc. | Article with ribbon structure and embroidered edges |
US10736381B2 (en) | 2018-07-03 | 2020-08-11 | Under Armour, Inc. | Article with directional tensioning |
US10758007B2 (en) | 2018-07-03 | 2020-09-01 | Under Armour, Inc. | Article with thermally bonded ribbon structure and method of making |
US10716362B2 (en) | 2018-07-03 | 2020-07-21 | Under Armour, Inc. | Article with ribbon structure having nodes and links |
US10993497B2 (en) | 2018-11-15 | 2021-05-04 | Under Armour, Inc. | Article with ribbon loops for string lasting |
DE102022131354A1 (en) | 2022-11-28 | 2024-05-29 | Voith Patent Gmbh | Spiral seam covering and manufacturing process for the same |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR813486A (en) | 1935-10-10 | 1937-06-02 | Comp Generale Electricite | Improvements at junctions for endless wire mesh |
AT324110B (en) | 1973-07-13 | 1975-08-11 | Andritz Ag Maschf | METHOD OF CONNECTING SCREEN LINES |
DE2449792B1 (en) * | 1974-10-19 | 1976-02-12 | Heimbach Gmbh Thomas Josef | Seamless paper web wire screen joint - formed by helical wire portions joined by pin with wire helix and pin coated with polyamide or polyarylsulphone |
US3998173A (en) * | 1974-12-09 | 1976-12-21 | Trw Inc. | Stitched wire electrical structure and method of making same |
US4141388A (en) * | 1977-03-23 | 1979-02-27 | Albany International Corporation | Paper machine dryer fabric |
US5746257A (en) * | 1995-07-06 | 1998-05-05 | Asten, Inc. | Corrugator belt seam |
DE19710850A1 (en) * | 1996-03-19 | 1997-09-25 | Asten S C V | Seam connection for wire cloths in paper machines |
US5875822A (en) * | 1996-06-25 | 1999-03-02 | Albany International Corp. | Polyamide spiral seam for seamed papermakers' fabrics |
-
1997
- 1997-03-15 DE DE19710877A patent/DE19710877A1/en not_active Withdrawn
- 1997-03-15 EP EP97915379A patent/EP0888478B1/en not_active Expired - Lifetime
- 1997-03-15 WO PCT/EP1997/001346 patent/WO1997035064A1/en active IP Right Grant
- 1997-03-15 AT AT97915379T patent/ATE193913T1/en not_active IP Right Cessation
- 1997-03-15 US US09/142,943 patent/US6267068B1/en not_active Expired - Fee Related
- 1997-03-15 PT PT97915379T patent/PT888478E/en unknown
- 1997-03-15 ES ES97915379T patent/ES2149583T3/en not_active Expired - Lifetime
- 1997-03-15 DE DE59701883T patent/DE59701883D1/en not_active Expired - Fee Related
- 1997-03-15 CA CA002249435A patent/CA2249435A1/en not_active Abandoned
-
1998
- 1998-09-16 NO NO19984291A patent/NO311769B1/en unknown
Non-Patent Citations (1)
Title |
---|
See references of WO9735064A1 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8025969B2 (en) | 2008-10-21 | 2011-09-27 | Voith Paper Holding Gmbh & Co. Kg | PET yarns with improved loop tensile properties |
CN108316041A (en) * | 2017-12-27 | 2018-07-24 | 安徽普惠织物股份有限公司 | A kind of dry net network interface industry slide fastener sewing process |
Also Published As
Publication number | Publication date |
---|---|
NO984291D0 (en) | 1998-09-16 |
EP0888478B1 (en) | 2000-06-14 |
NO984291L (en) | 1998-11-16 |
ATE193913T1 (en) | 2000-06-15 |
DE19710877A1 (en) | 1997-10-30 |
NO311769B1 (en) | 2002-01-21 |
WO1997035064A1 (en) | 1997-09-25 |
US6267068B1 (en) | 2001-07-31 |
CA2249435A1 (en) | 1997-09-25 |
ES2149583T3 (en) | 2000-11-01 |
DE59701883D1 (en) | 2000-07-20 |
PT888478E (en) | 2000-11-30 |
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