EP1209283B1 - Fabric, in particular a papermaking fabric - Google Patents

Fabric, in particular a papermaking fabric Download PDF

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Publication number
EP1209283B1
EP1209283B1 EP20000125622 EP00125622A EP1209283B1 EP 1209283 B1 EP1209283 B1 EP 1209283B1 EP 20000125622 EP20000125622 EP 20000125622 EP 00125622 A EP00125622 A EP 00125622A EP 1209283 B1 EP1209283 B1 EP 1209283B1
Authority
EP
European Patent Office
Prior art keywords
characterized
accordance
textile web
web
textile
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.)
Active
Application number
EP20000125622
Other languages
German (de)
French (fr)
Other versions
EP1209283A1 (en
Inventor
Walter Dr. Best
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.)
Heimbach GmbH and Co
Original Assignee
Heimbach GmbH and Co
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 Heimbach GmbH and Co filed Critical Heimbach GmbH and Co
Priority to EP20000125622 priority Critical patent/EP1209283B1/en
Publication of EP1209283A1 publication Critical patent/EP1209283A1/en
Application granted granted Critical
Publication of EP1209283B1 publication Critical patent/EP1209283B1/en
Application status is Active legal-status Critical
Anticipated expiration legal-status Critical

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Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21FPAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00Wet end of machines for making continuous webs of paper
    • D21F1/0027Screen-cloths
    • D21F1/0081Screen-cloths with single endless strands travelling in generally parallel convolutions
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21FPAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00Wet end of machines for making continuous webs of paper
    • D21F1/0027Screen-cloths
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21FPAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F7/00Other details of machines for making continuous webs of paper
    • D21F7/08Felts
    • D21F7/083Multi-layer felts
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/19Sheets or webs edge spliced or joined
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/19Sheets or webs edge spliced or joined
    • Y10T428/192Sheets or webs coplanar
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/24Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24777Edge feature

Description

The invention relates to a textile web, in particular textile machine clothing, the several seen in the transverse direction, extending in the longitudinal direction parallel to each other and has partial webs arranged side by side, whose side edges are connected to one another via connecting means are connected.

Textile webs of the aforementioned type are used primarily for transporting paper webs through a paper machine used (GB-A-975 750; EP-B-0 464 258; US-A-5 360 656). Seen in the width direction, they are made up of partial webs, whose width is much smaller than the final width the textile web. The partial webs extend in essentially in the longitudinal direction of the textile web, albeit at an angle to it at a small angle. The textile web is formed by one or more textile strips in the longitudinal direction of the textile web as well as helical have been progressively wrapped across it.

The partial webs can be made of structural threads, for example in the form of a fabric. The structural threads can however, also form a carrier on which a non-woven fabric is needled on one or both sides, so that the finished Textile web forms a felt. Such felts are special for guiding the paper web in the press section suitable for a paper machine.

Overlap in the previously known textile webs of this type the individual partial webs not only run, but run also with their side edges abutting one another. To ensure adequate transverse stability in such cases to get, the side edges are connected. In the above documents it is proposed the side edges with a zigzag seam sew, fuse or weld, for example with ultrasonic welding. Alternatively it is planned to close the side edges with seam loops provided and the connection with the help of a plug wire through the seam loops.

EP-0 947 623 describes a connection of the partial webs proposed that from over the side edges of the partial webs protruding and overlapping interlocking Cross thread sections and one over these cross thread sections laid and welded with this connecting thread consists. The establishment of such a connection is not without problems, and it also prepares Difficulty permeability in the area of the side margins to those in the other areas of the partial lanes adapt. However, in a paper machine it is important that the permeability of the textile web over the entire Width is even. Another requirement exists in that the connection of the partial webs to each other possible both in the transverse and in the longitudinal direction is firm.

The invention has for its object the connection the side edges of the partial webs in a textile web type mentioned so that they are easier is to produce, has good strength and still can be designed so that the permeability is not essential of permeability in other areas the textile web deviates.

This object is achieved in that the adjacent side edges of the partial webs meandering Course with alternating protrusions and recesses have and the partial webs over these projections and recesses are interlocked and that the Connecting means connecting the projections to each other, by preferably extending in the longitudinal direction and are designed to be as uninterrupted as possible.

The basic idea of the invention is therefore that of the partial webs not delimiting margins - as in the prior art Technology - just training, but meandering with interlocking projections and recesses Kind of a gearing and then connecting the neighboring one Partial webs through the connecting means connecting the projections to effect. The production of this type the connection is compared to the previously known connection types relatively easy to manufacture and also by machine. It has been shown that both in Very firm connection both lengthways and crossways can be produced without the permeability of the textile web in the margin area significantly different from that in others Areas deviates.

The connecting means can, for example, as sewing seams be formed, which are preferably parallel to Extend the longitudinal direction of the partial webs, with each connection several parallel seams can also be provided can. Instead of or in combination with such seams can also be provided tapes that the Part of the projections and recesses or better cover it completely and even over it Can go out of range. In special, the tapes Contain or consist of hot melt adhesive. The hot melt adhesive can after the tapes have been revived activated with heat and pressure. So that permeability not significantly affected in this area the tapes should be permeable be, i.e. have gaps that have sufficient free cross-sectional area guarantee.

The adhesive tapes can be designed in various ways. So adhesive films with an adhesive coating can be used be, the adhesive coating from a suitable Adhesive can exist, which is why the above heard hot melt adhesive mentioned. Permeability ensure the adhesive films are perforated. Instead, or in combination, the tapes but also be formed as a nonwoven fabric, preferably with a proportion of hot melt adhesive fibers. Such Adhesive tapes have the advantage that they are so adapted that the permeability in the questionable Do not significantly affect the area and also in their structure corresponds to that in the other areas. By activating the hot melt adhesive fibers using Heat and pressure become a firm bond between the gear teeth Protrusions made. The hot melt adhesive fibers can consist entirely of hot melt adhesive, whereby it is then expedient if it is only partially in the Adhesive tape-forming nonwoven are present. You can but also be designed as bicomponent fibers, at which there is a proportion of hot melt adhesive.

as far as the meandering design of the side edges is concerned, different types of courses are possible, for example wave-like or zigzag-like gradients. The tabs can also have a trapezoidal or rectangular shape. Other runs of the side edges are also possible.

The partial webs can be in a manner known per se Have or even consist of carriers, the Carrier the longitudinal and Absorbs lateral forces. If the textile web is formed as a felt should be, for example, as one for the press section a paper machine of certain press felt the carrier must be needled with non-woven fabrics, so that a felt-like surface forms on both sides.

Weaves, knitted fabrics or in particular come as supports consolidated nonwovens in question, taking the woven, knitted or non-woven fabrics are also available in multiple layers and also can be combined with each other.

However, plastic networks - one or multilayered as well as alone or in combination with the aforementioned Carrier types - be provided, such as in EP-B-0 285 376, EP-A-0 307 182, WO 91/02642 or WO 92/17643. These plastic networks have the advantage that they are on the side edges do not fray or flare and therefore the over the Provide protruding fasteners. It is irrelevant whether the individual webs Plastic networks extend in the longitudinal or transverse direction or run diagonally. The manufacture of the Plastic networks can be done in the way that in the described above documents. A special one economical way of producing such plastic networks consists in the use of extrusion technology, as for example from US-A-4 123 491, US-A-3 917 889 and US-A-3 767 353.

The width of the protrusions and recesses Range can be according to the respective strength requirements to get voted. An area is appropriate up to 50 cm wide, with areas of the order of magnitude from 10 to 20 cm are particularly suitable.

In the drawing, the invention is illustrated in more detail using exemplary embodiments. Show it:

Fig. 1
a plan view of an apparatus for producing a textile web with partial webs;
Fig. 2
a plan view of two partial webs with a first type of connection;
Fig. 3
a plan view of two partial webs with a second type of connection;
Fig. 4
a plan view of the toothing area of two partial webs with a third type of connection and
Fig. 5
a plan view of the toothing area with a fourth type of connection.

The device 1 shown in Figure 1 has two spaced Rolls 2, 3, each driven in the same direction are. From a supply roll 4 is a textile strip 5 subtracted. The supply roll 4 is light slanted and is pulled towards the Arrow A moves, i.e. in the transverse direction. This wraps the textile strip spirally on the two Roll up 2, 3 until a desired width is reached. The feed in the direction of arrow A is like this dimension that partial webs - exemplarily designated 6 - Form that lie side by side, so that their Side edges abut each other.

The helical winding of the textile strip 5 can also happen in multiple layers by the supply roll 4 after Reaching the end width is moved back, whereby the drain angle is adjusted accordingly. In detail this can be found in EP-B-0 464 258 and US-A-5 360 656. However, two loops with positive and negative pitch angle can be placed one above the other.

1, the side edges of the Partial webs 6 just shown for simplicity. Various examples of are shown in FIGS Margins according to the present invention shown.

Figure. 2 shows two partial webs 7 lying next to one another, 8, the side edges 9, 10 and 11, 12 of which are undulating, so that alternating protrusions - exemplary with Designated 13 - and recesses - 14 for example designated - arise. The partial webs 7, 8 are so together placed that the projections 13 and recesses 14 mesh with each other, d. H. that the projections 13 each surround in the opposite recesses 14.

The connection of the two partial webs 7, 8 takes place with With the help of three parallel sewing seams, which extend along the partial webs 7, 8 over the projections 13 extend and connect them together. The Course of the seams 15, 16, 17 ensures that the two partial webs 7, 8 are firmly connected.

In the embodiment according to FIG same partial webs 7, 8 to use, d. H. they too have wavy side edges 9, 10, 11, 12 under training of projections 13 and recesses 14. Instead of with Sewing seams 15, 16, 17 is the connection here by means of a Adhesive tape 18 made in the longitudinal direction of the partial webs 7, 8 and the area of the projections 13, 14 and adjacent areas. The tape 18 consists of a non-woven fabric with a portion of hot melt adhesive fibers. By exposure to heat and Pressure, the hot melt adhesive fibers are activated so that after cooling, a firm connection between the two Partial webs 7, 8 is obtained.

Figure 4 shows another embodiment of each other adjacent partial webs 19, 20. Their side edges 21, 22 run in such a way that trapezoidal projections - exemplary marked with 23 - and recesses - exemplary designated with 24 - arise, whereby the Width of the projections 23 to the respective associated side edges 21, 22 reduced.

The partial webs 19, 20 are the same as in the exemplary embodiments according to Figures 2 and 3 so together placed that the projections 23 and recesses 24 with each other interlink. Extend over these projections 23 there are two parallel seams 25, 26 in the longitudinal direction of the partial webs 19, 20 run. You put that Connection of the partial webs 19, 20 ago.

In the exemplary embodiment according to FIG. 5 there are two partial webs 27, 28 provided, the side edges 29, 30 a have such a course that they are also trapezoidal Projections - designated by way of example with 31 - and Form recesses - designated by way of example at 32 - however, their width differs from the exemplary embodiment 4 to the respective associated side edges 29, 30 increases. The partial webs 27, 28 are here also put together so that the projections 31st and cutouts 32 mesh with one another. The connection is produced by means of two parallel sewing seams 33, 34, which run approximately centrally over the projections 31 and connect them together.

It is understood that the connection in the embodiments according to Figures 4 and 5 also by means of an adhesive tape can be made in the manner like this can be seen from Figure 3.

Otherwise, the present invention is not helical wound textile strips limited. The individual partial webs can also consist of individual sections placed side by side so that they are not easy run obliquely, but exactly in the longitudinal direction.

Claims (23)

  1. Textile web, especially a textile-covered web for a paper-making machine, which, viewed from a transverse direction, is provided with several web sections (6, 7, 8, 19, 20, 27, 28) that extend parallel to one another in a lengthwise direction and are aligned adjacent to one another, with their lateral edges (9, 10, 11, 12, 21, 22, 29, 30) being attached to one another via fasteners (15, 16, 17, 18, 25, 26, 33, 34), characterized in that the adjacent lateral edges (10, 11, 21, 22, 29, 30) follow a meandering course, with alternating projections (13, 23, 31) and recesses (14, 24, 32), and the web sections (6, 7, 8, 19, 20, 27, 28) are interlocked with one another via these projections (13, 23, 31) and recesses (14, 24, 32), and in that the fasteners (15, 16, 17, 18, 25, 26, 33, 34) connect the projections (13, 23, 31) to one another.
  2. Textile web in accordance with Claim 1, characterized in that the fasteners (15, 16, 17, 18, 25, 26, 33, 34) extend primarily in a lengthwise direction.
  3. Textile web in accordance with Claim 1 or 2, characterized in that the fasteners (15, 16, 17, 18, 25, 26, 33, 34) are designed to be continuous, without interruption.
  4. Textile web in accordance with one of Claims 1 through 3, characterized in that the fasteners are designed as sewn seams (15, 16, 17, 25, 26, 33, 34).
  5. Textile web in accordance with Claim 4, characterized in that to connect two adjacent web sections (7, 8, 19, 20, 27, 28), several parallel sewn seams (15, 16, 17, 25, 26, 33, 34) are used.
  6. Textile web in accordance with one of Claims 1 through 5, characterized in the fasteners are designed as sections of adhesive tape (18).
  7. Textile web in accordance with Claim 6, characterized in that the sections of adhesive tape cover at least the projections and recesses.
  8. Textile web in accordance with Claim 6 or 7, characterized in that the sections of adhesive tape (18) are designed to be porous.
  9. Textile web in accordance with one of Claims 6 or 8, characterized in that the sections of adhesive tape (18) contain heat-bonding adhesive, or are composed thereof.
  10. Textile web in accordance with one of Claims 6 through 9, characterized in that the sections of adhesive tape are designed as bonding sheets with an adhesive coating.
  11. Textile web in accordance with one of Claims 6 through 10, characterized in that the sections of adhesive tape (18) are designed as spunbonded tissues containing heat-bonding adhesive fibers or are composed thereof.
  12. Textile web in accordance with Claim 11, characterized in that bonding fibers composed of heat-bonding adhesive are present.
  13. Textile web in accordance with Claim 11 or 12, characterized in that bonding fibers are present, which are designed as bicomponent fibers containing a share of heat-bonding adhesive.
  14. Textile web in accordance with one of Claims 1 through 13, characterized in that the lateral edges (9, 10, 11, 12) have a wave-like shape.
  15. Textile web in accordance with one of Claims 1 through 13, characterized in that the lateral edges are zigzag in shape.
  16. Textile web in accordance with one of Claims 1 through 13, characterized in that the projections (23, 31) are trapezoidal in shape.
  17. Textile web in accordance with one of Claims 1 through 13, characterized in that the projections are rectangular in shape.
  18. Textile web in accordance with one of Claims 1 through 17, characterized in that the web sections (7, 8, 19, 20, 27, 28) are provided with a support base or are composed thereof.
  19. Textile web in accordance with Claim 18, characterized in that the support bases are needle punched with carded fibre batt.
  20. Textile web in accordance with Claim 18, 19, characterized in that the support bases are equipped with a woven textile, a knitted textile, or carded fibre batt, or are composed thereof.
  21. Textile web in accordance with one of Claims 18 through 20, characterized in that the support bases are provided with synthetic netting.
  22. Textile web in accordance with Claim 21, characterized in that the synthetic netting is extruded.
  23. Textile web in accordance with one of Claims 1 through 22, characterized in that the projections extend in a transverse direction to the textile web, at the most 50 cm, preferably 10 to 20 cm.
EP20000125622 2000-11-23 2000-11-23 Fabric, in particular a papermaking fabric Active EP1209283B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20000125622 EP1209283B1 (en) 2000-11-23 2000-11-23 Fabric, in particular a papermaking fabric

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP20000125622 EP1209283B1 (en) 2000-11-23 2000-11-23 Fabric, in particular a papermaking fabric
PT00125622T PT1209283E (en) 2000-11-23 2000-11-23 Tissue tape particularly machine paper coverage
DE2000504811 DE50004811D1 (en) 2000-11-23 2000-11-23 Textile web, in particular paper machine clothing
CA 2363442 CA2363442C (en) 2000-11-23 2001-11-21 Textile web, especially a textile-covered web for a paper-making machine
US09/989,719 US6811849B2 (en) 2000-11-23 2001-11-21 Textile web, especially a textile-covered web for a paper-making machine

Publications (2)

Publication Number Publication Date
EP1209283A1 EP1209283A1 (en) 2002-05-29
EP1209283B1 true EP1209283B1 (en) 2003-12-17

Family

ID=8170458

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20000125622 Active EP1209283B1 (en) 2000-11-23 2000-11-23 Fabric, in particular a papermaking fabric

Country Status (5)

Country Link
US (1) US6811849B2 (en)
EP (1) EP1209283B1 (en)
CA (1) CA2363442C (en)
DE (1) DE50004811D1 (en)
PT (1) PT1209283E (en)

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JP2004232098A (en) * 2003-01-28 2004-08-19 Ichikawa Woolen Textile Co Ltd Press felt for papermaking and method for producing the same
US7147756B2 (en) * 2003-02-11 2006-12-12 Albany International Corp. Unique fabric structure for industrial fabrics
AT388272T (en) 2003-12-11 2008-03-15 Albany Int Corp Passive sensor device for monitoring wear problems in paper machine tissue
US7300543B2 (en) * 2003-12-23 2007-11-27 Kimberly-Clark Worldwide, Inc. Tissue products having high durability and a deep discontinuous pocket structure
US20060010568A1 (en) * 2004-01-27 2006-01-19 Wiles William A Helmet sweat band
GB2432337A (en) * 2005-11-22 2007-05-23 Marc Pierre Despault Offset intermeshing industrial fabric seam
AT526453T (en) 2006-03-21 2011-10-15 Heimbach Gmbh & Co Kg Method for the production of a filzband and filzband
US7712336B2 (en) * 2007-01-31 2010-05-11 Albany International Corp. Subassembly for industrial fabrics
US7776187B2 (en) * 2007-03-23 2010-08-17 Voith Patent Gmbh Belt having a non-linear seam and a method of on-machine joining of belt ends
DE502007007083D1 (en) 2007-12-04 2011-06-09 Heimbach Gmbh & Co Kg Process for producing a machine felt and machine felt
EP2199458B1 (en) 2008-12-22 2011-04-06 Heimbach GmbH & Co.KG Forming fabric
US20100154101A1 (en) * 2008-12-23 2010-06-24 Tai-Kuang Wang Method for elastic sweatband and headgear using the same
CN105358763B (en) 2013-06-21 2018-04-06 福伊特专利有限公司 Taut net and its manufacture method
US9765481B2 (en) 2013-08-23 2017-09-19 Voith Patent Gmbh Fabric and method for producing same

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Also Published As

Publication number Publication date
PT1209283E (en) 2004-05-31
US20020166601A1 (en) 2002-11-14
EP1209283A1 (en) 2002-05-29
CA2363442A1 (en) 2002-05-23
CA2363442C (en) 2008-09-23
US6811849B2 (en) 2004-11-02
DE50004811D1 (en) 2004-01-29

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