EP1541754A1 - Träger als oder für eine Papiermaschinenbespannung - Google Patents
Träger als oder für eine Papiermaschinenbespannung Download PDFInfo
- Publication number
- EP1541754A1 EP1541754A1 EP20030019005 EP03019005A EP1541754A1 EP 1541754 A1 EP1541754 A1 EP 1541754A1 EP 20030019005 EP20030019005 EP 20030019005 EP 03019005 A EP03019005 A EP 03019005A EP 1541754 A1 EP1541754 A1 EP 1541754A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- support
- layers
- carrier
- support elements
- paper machine
- 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
- 238000000576 coating method Methods 0.000 claims abstract description 16
- 239000011248 coating agent Substances 0.000 claims abstract description 12
- 229920001971 elastomer Polymers 0.000 claims description 6
- 239000000806 elastomer Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229920002292 Nylon 6 Polymers 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims 1
- 238000007373 indentation Methods 0.000 claims 1
- 230000003247 decreasing effect Effects 0.000 abstract description 3
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 238000011084 recovery Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 4
- 239000004744 fabric Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001934 delay Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F7/00—Other details of machines for making continuous webs of paper
- D21F7/08—Felts
- D21F7/083—Multi-layer felts
-
- 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
- Y10S162/90—Papermaking press felts
-
- 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
- Y10S162/902—Woven fabric for papermaking drier section
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24008—Structurally defined web or sheet [e.g., overall dimension, etc.] including fastener for attaching to external surface
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249923—Including interlaminar mechanical fastener
Definitions
- the invention relates to a liquid-permeable Carrier as or for a papermachine clothing, the can be used in the press section of a paper machine, wherein the carrier comprises at least two layers which are themselves support each other via discrete support elements.
- press felt clothing used for the guidance of the paper web through the press section of a paper machine suitable are conventional way as press felt educated.
- Such press felts have a carrier consisting made of a woven fabric, a knitted fabric or a scrim, on which a fiber fleece is pinned, so that the fabric has a felt-like character.
- the press felts by replacing a papermachine fabric that made two or more extruded and superimposed Tracks are composed, with the tracks over discrete support elements of different shapes mutually support (see EP 0 802 280 A2, Wo 01/98580 A1).
- the support elements are also in the extrusion process educated. They are shaped so that they interlock and follow each other. They determine the distance between the two tracks.
- the Webs themselves are porous, so that from the Paper web in the press squeezed out liquid the webs can pass through and the paper web thereby is drained. On the outsides of the two Webs can be applied to nonwoven layers, which with the tracks are connected. In this case, the forms Structure of webs and supporting elements a carrier for the fleece layers.
- Such paper machine clothing has the property that they are the paper web in the front part of the press nip first drain very well.
- the back part of the press nip arises however because of there continuously or suddenly decreasing press pressure one Rewetting the paper web, i. it drains water the backing and the paper side fleece back into the paper web.
- the drainage performance of the Paper machine clothing significantly reduced.
- the invention is based on the object, a carrier of the type mentioned above so that a Remoistening of the paper web in the rear part of the press nip significantly reduced or even completely is avoided.
- an elastic coating is provided.
- This coating can be made of rubber, polyurethane or another elastomer, for example silicone elastomer, consist.
- the layers and support elements are suitably shaped that they are manufactured as extruded sheets of plastic can be.
- plastics come first of all Polyamide 6, 6.6, 6.10, 6.12 or 12 or PTT in question, but also other plastics, such as those in to claims 16 to 23 of WO 01/98580 A1 are.
- the wearer is liquid-permeable, he should be provided with a grid of perforations, the can be generated for example by means of a laser.
- size and number of perforations per unit area can the permeability according to the respective Conditions are adapted individually.
- the support elements are suitably designed so that they are reciprocal, so that the connection the layers over the support elements themselves.
- the support elements can be mirror-inverted, however, be arranged offset to each other.
- the support elements should be considered as in Longitudinal direction, i. Extrusion direction of the carrier extending Support webs may be formed.
- the support members may be arcuate at their free ends be educated. Especially useful is a mushroom-like or arrow-like cross-section, as a result Webs are formed, which cover each other can.
- the support elements have a notch, which expediently filled with the material of the elastic coating is. Furthermore, it may be expedient if the support elements have different distances.
- the invention is based on an embodiment illustrated in more detail.
- She shows you one partial cross section through a carrier 1 for a paper machine clothing, in the press section of a Paper machine should be used.
- the carrier 1 consists from two extruded sheets 2, 3, the mirror image are formed.
- the tracks 2, 3 have in cross section mushroom-shaped support webs 4, 5, 6 or 7, 8, 9, perpendicular to the plane of the drawing and thus in the direction of extrusion extend. They are arranged so that they leave behind with their lateral projections, after being clipped together beforehand.
- Both webs 2, 3 have perforations - by way of example labeled 10, 11 - on, so are liquid permeable.
- the carrier 1 is therefore for dewatering a Suitable for paper web.
- the mutually facing sides of the webs 2, 3 and the Support webs 4, 5, 6, 7, 8, 9 are each with a continuous black coated coating 12, 13 provided, which consists of an elastomer or rubber.
- the material of the coatings 12, 13 projects in blind holes - by way of example denoted by 14 - in, which in the Support webs 4, 5, 6, 7, 8, 9 are formed.
- nonwoven layers can be applied and fixed, for example with the help of glue.
- the running direction of such a support 1 extends perpendicular to the plane of the drawing.
- the support webs 4, 5, 6, 7, 8, 9 initially without major pressure on each opposite web 2, 3 or their coating 12, 13 on.
- Behind the press nip takes place a provision to the starting position due to Spring action of the coatings 12, 13. This is the free volume between the two webs 2, 3 abruptly enlarged with the result that the liquid in the perforations 12, 13 sucked back into the free interior becomes.
Landscapes
- Paper (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
Description
Claims (14)
- Flüssigkeitsdurchlässiger Träger (1) als oder für eine Papiermaschinenbespannung, die in der Pressenpartie einer Papiermaschine einsetzbar ist, wobei der Träger (1) wenigstens zwei Lagen (2, 3) aufweist, die sich über diskrete Stützelemente (4 bis 9) gegenseitig abstützen, dadurch gekennzeichnet, daß die gegenseitige Abstützung derart elastisch ausgebildet ist, daß sich der Abstand der Lagen (2, 3) unter Druckbeanspruchung einfedernd verringert und bei Druckentlastung ausfedernd wieder vergrößert.
- Träger nach Anspruch 1, dadurch gekennzeichnet, daß an den Stellen, wo die Lagen (2, 3) sich gegenseitig abstützen, ein- oder beidseitig eine elastische Beschichtung (12, 13) aufgetragen ist.
- Träger nach Anspruch 2, dadurch gekennzeichnet, daß die Beschichtung aus Gummi oder einem Elastomer besteht.
- Träger nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Lagen (2,-3) und Stützelemente (4 bis 9) aus extrudierten Bahnen gebildet sind.
- Träger nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Lagen (2, 3) aus Polyamid 6, 6.6, 6.10, 6.12 oder 12 sowie PTT bestehen.
- Träger nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Lagen (2, 3) perforiert sind.
- Träger nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Stützelemente (4 bis 9) sich wechselseitig hinterfassen.
- Träger nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die Stützelemente (4, 9) spiegelbildlich ausgebildet, jedoch zueinander versetzt angeordnet sind.
- Träger nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß die Stützelemente als sich in Längsrichtung des Trägers erstreckende Stützstege (4, 9) ausgebildet sind.
- Träger nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß die Stützelemente (4 bis 9) an ihren freien Enden bogenförmig ausgebildet sind.
- Träger nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß die Stützelemente (4 bis 9) pilzartigen oder pfeilartigen Querschnitt haben.
- Träger nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, daß die Stützelemente (4, 9) eine Einkerbung (14) aufweisen.
- Träger nach Anspruch 12, dadurch gekennzeichnet, daß die Einkerbungen (14) mit dem Material der elastischen Beschichtung (12, 13) gefüllt sind.
- Träger nach einem der Ansprüche 1 bis 13, dadurch gekennzeichnet, daß die Stützelemente (4, 9) unterschiedliche Abstände haben.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES03019005T ES2252601T3 (es) | 2003-08-21 | 2003-08-21 | Soporte actuante como revestimiento de maquina papelera o adecuado para el mismo. |
| DE50301884T DE50301884D1 (de) | 2003-08-21 | 2003-08-21 | Träger als oder für eine Papiermaschinenbespannung |
| EP03019005A EP1541754B1 (de) | 2003-08-21 | 2003-08-21 | Träger als oder für eine Papiermaschinenbespannung |
| AT03019005T ATE312234T1 (de) | 2003-08-21 | 2003-08-21 | Träger als oder für eine papiermaschinenbespannung |
| CA 2478197 CA2478197C (en) | 2003-08-21 | 2004-08-19 | Support as and for a paper machine clothing |
| US10/922,161 US7357972B2 (en) | 2003-08-21 | 2004-08-20 | Support as or for a paper machine clothing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP03019005A EP1541754B1 (de) | 2003-08-21 | 2003-08-21 | Träger als oder für eine Papiermaschinenbespannung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1541754A1 true EP1541754A1 (de) | 2005-06-15 |
| EP1541754B1 EP1541754B1 (de) | 2005-12-07 |
Family
ID=34259139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP03019005A Expired - Lifetime EP1541754B1 (de) | 2003-08-21 | 2003-08-21 | Träger als oder für eine Papiermaschinenbespannung |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US7357972B2 (de) |
| EP (1) | EP1541754B1 (de) |
| AT (1) | ATE312234T1 (de) |
| CA (1) | CA2478197C (de) |
| DE (1) | DE50301884D1 (de) |
| ES (1) | ES2252601T3 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105247135A (zh) * | 2013-03-26 | 2016-01-13 | 阿斯顿约翰逊公司 | 机械互锁的无纺工业织物 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005060525A1 (de) * | 2005-12-17 | 2007-06-21 | Voith Patent Gmbh | Transportband |
| CA2791864A1 (en) * | 2012-10-04 | 2014-04-04 | Allan R. MANNINEN | Film structures for self locking nonwoven industrial textile |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001098580A1 (en) * | 2000-06-20 | 2001-12-27 | Baker Samuel M | Nonwoven interlocking strips and nonwoven industrial fabrics assembled therefrom |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE446994B (sv) * | 1977-11-21 | 1986-10-20 | Nordiskafilt Ab | Avvattningsfilt |
| FI72159C (fi) * | 1981-05-07 | 1987-04-13 | Valmet Oy | Kompakt pressparti i pappersmaskin. |
| US6124015A (en) | 1996-04-18 | 2000-09-26 | Jwi Ltd. | Multi-ply industrial fabric having integral jointing structures |
| US6106922A (en) * | 1997-10-03 | 2000-08-22 | 3M Innovative Company | Coextruded mechanical fastener constructions |
| CA2313867A1 (en) * | 1999-07-19 | 2001-01-19 | Paul C. Fleri | Polymer blends of trimethylene terephthalate and an elastomeric polyester |
| JP2003204809A (ja) * | 2002-01-10 | 2003-07-22 | Three M Innovative Properties Co | 面ファスナー |
-
2003
- 2003-08-21 EP EP03019005A patent/EP1541754B1/de not_active Expired - Lifetime
- 2003-08-21 AT AT03019005T patent/ATE312234T1/de active
- 2003-08-21 DE DE50301884T patent/DE50301884D1/de not_active Expired - Lifetime
- 2003-08-21 ES ES03019005T patent/ES2252601T3/es not_active Expired - Lifetime
-
2004
- 2004-08-19 CA CA 2478197 patent/CA2478197C/en not_active Expired - Fee Related
- 2004-08-20 US US10/922,161 patent/US7357972B2/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001098580A1 (en) * | 2000-06-20 | 2001-12-27 | Baker Samuel M | Nonwoven interlocking strips and nonwoven industrial fabrics assembled therefrom |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105247135A (zh) * | 2013-03-26 | 2016-01-13 | 阿斯顿约翰逊公司 | 机械互锁的无纺工业织物 |
| CN105247135B (zh) * | 2013-03-26 | 2018-04-10 | 阿斯顿约翰逊公司 | 机械互锁的无纺工业织物 |
Also Published As
| Publication number | Publication date |
|---|---|
| ATE312234T1 (de) | 2005-12-15 |
| CA2478197C (en) | 2008-07-15 |
| CA2478197A1 (en) | 2005-02-21 |
| ES2252601T3 (es) | 2006-05-16 |
| US7357972B2 (en) | 2008-04-15 |
| US20050233111A1 (en) | 2005-10-20 |
| EP1541754B1 (de) | 2005-12-07 |
| DE50301884D1 (de) | 2006-01-12 |
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