EP0261488B1 - Maschinenfilz sowie Verfahren zur Herstellung desselben - Google Patents
Maschinenfilz sowie Verfahren zur Herstellung desselben Download PDFInfo
- Publication number
- EP0261488B1 EP0261488B1 EP87113038A EP87113038A EP0261488B1 EP 0261488 B1 EP0261488 B1 EP 0261488B1 EP 87113038 A EP87113038 A EP 87113038A EP 87113038 A EP87113038 A EP 87113038A EP 0261488 B1 EP0261488 B1 EP 0261488B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- machine felt
- length
- end sections
- support material
- folded
- 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
Links
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
-
- 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
-
- 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
- D21F7/10—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
- Y10S162/90—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
- Y10S162/904—Paper making and fiber liberation with specified seam structure of papermaking belt
-
- 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.]
- Y10T428/2419—Fold at edge
-
- 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.]
- Y10T428/24777—Edge feature
-
- 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.]
- Y10T428/24777—Edge feature
- Y10T428/24785—Edge feature including layer embodying mechanically interengaged strands, strand portions or strand-like strips [e.g., weave, knit, etc.]
-
- 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
- Y10T428/249922—Embodying intertwined or helical component[s]
Definitions
- Machine felts are used for a wide variety of purposes.
- a main area of application for machine felts is paper machines. There they are used particularly in the press area. They usually consist of a backing material, which absorbs the tensile forces acting on the machine felt, as well as a needled nonwoven fabric, which ensures a smooth and soft surface and a defined water permeability.
- the carrier material is often made up of multiple layers.
- Paper machine felts with a warp knit structure as carrier material are described in DE-A 2 436 293.
- the warp knit structure is provided with a needled fiber fleece, creating a felt-like surface on both sides.
- connection of the ends of the paper machine felt belt is problematic since the warp knitting structure at its ends provides only little support for coupling links, for example in the form of wire helices, even if the carrier material is formed in multiple layers.
- DE-U 8 510 220.2 therefore goes a different way and the proposal is made to build up the carrier material from a two-layer spirally wound material web.
- the joint between the ends of a material web is bridged over a wide area, specifically by changing the position of the material web from the inside to the outside or vice versa. It is advantageous here that a direct connection of the ends of the material web can be dispensed with (see also US Pat. No. 3,331,140).
- connection has the disadvantage that the machine felt in the seam area is twice as thick as in the rest of the area, which leads to considerable vibrations. Otherwise, this connection is not suitable for a carrier material consisting of knitted fabric.
- the invention has for its object to design a multilayer machine felt of the type mentioned above, that is to say with a carrier material from a knitted fabric, in such a way that vibrations in the machine are avoided even at high machine speeds, but it can also be opened for assembly .
- the layers of the carrier material are formed by turning over both end sections of the excess length material web so far onto the central region that at least two layers are formed.
- the envelope edges that are formed then lie far from the folded end edges of the material web, so that wire helices can be attached to the envelope edges.
- a finite machine felt is created, the end edges of which consist of the cover edges are connected to one another via the coupling members or - if the connection is opened after the needling of the nonwoven fabric - can be connected.
- this means that the machine felt can be inserted into the machine in the open state and only then closed. With this design, vibrations in the machine are also avoided.
- the machine felt according to the invention is characterized by better tensile strength.
- the individual layers are formed by turning over the end sections of only one material web.
- the carrier material can be simply placed one on top of the other or nested one inside the other, the first alterna tive has the advantage that the layers of the outer material web are made from a finer knitted fabric than that of the inner material web to avoid markings.
- the folded end sections of the material web are opposite with their front edges, this should be done for reasons of symmetry in such a way that they lie in the middle of the machine felt, so the folded end sections have the same longitudinal extent.
- the front edges of the folded end sections can extend exactly transverse to the direction of travel of the machine felt. However, it is preferable that the front edges run obliquely to the transverse direction of the machine felt, especially if the machine felt is to be used in the press area of a paper machine. This prevents any vibrations or impacts that may still occur in the press.
- a three-ply carrier material results when the folded end sections of the material web overlap over the entire length of the machine felt. If the carrier material is formed from more than one material web, four, five and six-layer carrier materials can be produced with a corresponding combination of the material webs.
- end sections of the material web are expediently turned over to the same side, even if it is possible to turn the end sections once to one side and to the other side.
- Polyamide has proven to be a particularly suitable material for the wire coils.
- a mesh-resistant warp knitted fabric is preferably suitable as the carrier material for the machine felt according to the invention.
- the end edges of the end sections should be provisionally attached to the adjacent layer and / or to one another.
- a method for producing the machine felt according to the invention is characterized in that both end sections of the material web are folded over and brought together with their front edges at least to the same height and that wire coils are inserted in the area of the cover edges before or after turning over and that the coupling members then form a seam be connected to each other before the nonwoven is placed and needled.
- the nonwoven fabric is cut into the top and bottom sides of the seam after needling and lifted off the seam area and the seam is then opened again.
- This method is characterized by simplicity and also by the fact that the needling of the nonwoven fabric in the manner described also provides a soft covering of the seam, although the seam can then be opened and closed again.
- the raised part of the nonwoven then lies again over the seam during operation, the direction of travel should always be chosen so that the incision is behind the seam.
- the end edges of the end sections are temporarily fastened.
- end edges of the end sections overlap up to the cover edges in order to produce a three-layer construction of the material web.
- a warp knitted fabric is used for the carrier material, the end sections of which are turned over in such a way that the transverse threads of one layer run on a gap to the transverse threads of the other.
- the carrier material (1) shown in FIG. (1) is produced from a single knitted material web (2).
- the material web (2) has approximately twice the length of that of the finished paper machine felt shown in FIG. (2).
- a further upper layer (6) is formed, the end edges (7, 8) being opposite one another. Wire coils are inserted into the material web (2) over their entire length in the cover edges (9, 10), this already happening during the manufacturing process.
- the continuations (13, 14) shown in dashed lines represent a three-layer variant of the carrier material (1). If the material web (2) is produced in a length that corresponds to three times the finished paper machine felt, the end sections (3, 4) overlap completely with the then existing extensions (13, 14), one end section (3) on the Outside and an end section (4) come to lie on the inside.
- the carrier material (1) is closed to form an endless band by the two wire coils (11, 12), which are matched in thickness to that of the carrier material (1), are brought into engagement in a comb-like manner in such a way that a plug wire can be passed through both as a coupling wire.
- a nonwoven fabric is then needled and needle-punched onto the outside of the carrier material (1).
- the needling process then creates the in Figure (2) shown paper machine felt (15), wherein the expansion of the nonwoven fabric (16) by the boundary lines (17, 18) - although oversized in relation to the length and width of the paper machine felt (15) - is shown.
- the plug wire (23) is removed and the fiber fleece (16) above and below the wire helices (11, 12) is provided with incisions (20, 21).
- the paper machine felt (15) can then be inserted into a paper machine and, after bringing together the ends provided with the wire helices (11, 12), can be coupled again by inserting the plug wire (23).
- the loose flaps of the nonwoven fabric (16) then lie over the seam (19).
Landscapes
- Paper (AREA)
- Manufacture Of Motors, Generators (AREA)
- Semiconductor Memories (AREA)
- Preparing Plates And Mask In Photomechanical Process (AREA)
- Detergent Compositions (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Portable Nailing Machines And Staplers (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Glass Compositions (AREA)
- Laminated Bodies (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Artificial Filaments (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
- Preliminary Treatment Of Fibers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT87113038T ATE55432T1 (de) | 1986-09-24 | 1987-09-07 | Maschinenfilz sowie verfahren zur herstellung desselben. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19863632386 DE3632386A1 (de) | 1986-09-24 | 1986-09-24 | Maschinenfilz sowie verfahren zur herstellung desselben |
DE3632386 | 1986-09-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0261488A1 EP0261488A1 (de) | 1988-03-30 |
EP0261488B1 true EP0261488B1 (de) | 1990-08-08 |
Family
ID=6310216
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP87113038A Expired - Lifetime EP0261488B1 (de) | 1986-09-24 | 1987-09-07 | Maschinenfilz sowie Verfahren zur Herstellung desselben |
Country Status (17)
Country | Link |
---|---|
US (1) | US4761329A (fi) |
EP (1) | EP0261488B1 (fi) |
JP (1) | JPS6392796A (fi) |
KR (1) | KR950013197B1 (fi) |
AT (1) | ATE55432T1 (fi) |
AU (1) | AU594506B2 (fi) |
BR (1) | BR8704885A (fi) |
CA (1) | CA1295161C (fi) |
DE (2) | DE3632386A1 (fi) |
ES (1) | ES2017687B3 (fi) |
FI (1) | FI88061C (fi) |
IN (1) | IN171368B (fi) |
MX (1) | MX159964A (fi) |
NO (1) | NO171227C (fi) |
NZ (1) | NZ221888A (fi) |
RU (1) | RU1834941C (fi) |
ZA (1) | ZA877066B (fi) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8388811B2 (en) | 2009-04-02 | 2013-03-05 | Voith Patent Gmbh | Seamable press felt with flat manufactured carrier structure which is not woven |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8814436D0 (en) * | 1988-06-17 | 1988-07-20 | Scapa Group Plc | Papermachine clothing |
US4896702A (en) * | 1988-12-01 | 1990-01-30 | Niagara Lockport Industries Inc. | Seam construction for papermaking fabrics |
US5049425A (en) * | 1989-01-04 | 1991-09-17 | Abany International Corporation | Porous yarn for OMS pintles |
SE468602B (sv) * | 1990-12-17 | 1993-02-15 | Albany Int Corp | Pressfilt samt saett att framstaella densamma |
US5110672A (en) * | 1991-06-19 | 1992-05-05 | Huyck Corporation | Papermakers' press felt with base fabric that does not require seaming |
CA2083211C (en) * | 1992-11-09 | 1996-07-09 | Robert W. Legge | Papermaker felt |
US5731063A (en) * | 1995-06-06 | 1998-03-24 | Appleton Mills | Papermaking felt and substrate |
US5571590A (en) * | 1995-06-06 | 1996-11-05 | Appleton Mills | Methods of making papermaking felt and substrate |
US5713399A (en) * | 1997-02-07 | 1998-02-03 | Albany International Corp. | Ultrasonic seaming of abutting strips for paper machine clothing |
DE19814473A1 (de) | 1998-04-01 | 1999-10-07 | Heimbach Gmbh Thomas Josef | Maschinenfilz sowie Verfahren zu dessen Herstellung |
AT410682B (de) * | 1999-09-01 | 2003-06-25 | Huyck Austria | Textilmaschinenfilz |
JP2004232098A (ja) * | 2003-01-28 | 2004-08-19 | Ichikawa Woolen Textile Co Ltd | 抄紙用プレスフェルト及びその製造方法 |
GB0325463D0 (en) * | 2003-10-31 | 2003-12-03 | Voith Fabrics Patent Gmbh | Three dimensional tomographic fabric assembly |
JP4648221B2 (ja) * | 2006-03-07 | 2011-03-09 | 日本フエルト株式会社 | 製紙用シーム付きフェルト及びその製造方法 |
JP4719033B2 (ja) * | 2006-03-07 | 2011-07-06 | 日本フエルト株式会社 | 製紙用シーム付きフェルト及びその製造方法 |
US7712336B2 (en) * | 2007-01-31 | 2010-05-11 | Albany International Corp. | Subassembly for industrial fabrics |
US20090047496A1 (en) * | 2007-08-16 | 2009-02-19 | Hansen Robert A | Multilayer fabric and manufacturing method thereof |
US7892402B2 (en) * | 2007-10-05 | 2011-02-22 | Albany International Corp. | Flat woven full width on-machine-seamable fabric |
US8043477B2 (en) * | 2008-02-25 | 2011-10-25 | Voith Patent Gmbh | Belt and method of making a belt for a paper making machine |
US20090214822A1 (en) * | 2008-02-25 | 2009-08-27 | Voith Patent Gmbh | Multilayered laminated fabric with single seam |
US8353252B1 (en) | 2011-12-05 | 2013-01-15 | Voith Patent Gmbh | Process for preparing a seam area for a PMC base fabric |
KR20160121334A (ko) | 2015-04-11 | 2016-10-19 | 서해성 | 두루마리 화장지 정량을 단계별로 조절할 수 있는 장치 |
US20240068166A1 (en) * | 2022-08-28 | 2024-02-29 | Voith Patent Gmbh | Fabric for a fiber web producing machine and a method for making the same |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB902503A (en) * | 1960-04-01 | 1962-08-01 | Thomas Hardman & Sons Ltd | Improvements in the manufacture of felts for use in the manufacture of paper and other products |
US3281905A (en) * | 1964-10-14 | 1966-11-01 | Huyck Corp | Belt construction and method of forming the same |
US3331140A (en) * | 1966-07-19 | 1967-07-18 | Appleton Mills | Papermakers' felt |
SE355389B (fi) * | 1970-12-31 | 1973-04-16 | Nordiska Maskinfilt Ab | |
DE2102478A1 (en) * | 1971-01-20 | 1972-10-12 | Tuchfabrik Lörrach AG, 7850Lörrach | Wire screen joint - with oblique disposition wrt direction of motion to reduce flapping and starting torque |
US4006760A (en) * | 1976-01-08 | 1977-02-08 | Albany International Corporation | Fabric connector seam |
US4503113A (en) * | 1982-03-12 | 1985-03-05 | Huyck Corporation | Papermaker felt with a three-layered base fabric |
US4695498A (en) * | 1982-07-20 | 1987-09-22 | Asten Group, Inc. | Papermakers flat woven fabric |
SE429982C (sv) * | 1982-11-02 | 1985-11-18 | Nordiskafilt Ab | Filt med oglesom for presspartiet i en pappersmaskin samt forfarande for dess framstellning |
JPS60169291U (ja) * | 1984-04-13 | 1985-11-09 | 敷島カンバス株式会社 | ベルト状ニ−ドルパンチングフエルト |
US4574435A (en) * | 1985-03-12 | 1986-03-11 | Albany International Corp. | Seam construction for papermachine clothing |
DE8510220U1 (de) * | 1985-04-04 | 1986-04-30 | Thomas Josef Heimbach GmbH & Co, 5160 Düren | Papiermaschinenfilz |
-
1986
- 1986-09-24 DE DE19863632386 patent/DE3632386A1/de not_active Withdrawn
-
1987
- 1987-09-07 EP EP87113038A patent/EP0261488B1/de not_active Expired - Lifetime
- 1987-09-07 ES ES87113038T patent/ES2017687B3/es not_active Expired - Lifetime
- 1987-09-07 AT AT87113038T patent/ATE55432T1/de not_active IP Right Cessation
- 1987-09-07 DE DE8787113038T patent/DE3764225D1/de not_active Expired - Fee Related
- 1987-09-16 IN IN810/DEL/87A patent/IN171368B/en unknown
- 1987-09-21 ZA ZA877066A patent/ZA877066B/xx unknown
- 1987-09-22 AU AU78828/87A patent/AU594506B2/en not_active Ceased
- 1987-09-22 NZ NZ221888A patent/NZ221888A/xx unknown
- 1987-09-23 CA CA000547564A patent/CA1295161C/en not_active Expired - Fee Related
- 1987-09-23 BR BR8704885A patent/BR8704885A/pt unknown
- 1987-09-23 US US07/100,178 patent/US4761329A/en not_active Expired - Fee Related
- 1987-09-23 KR KR1019870010523A patent/KR950013197B1/ko active IP Right Grant
- 1987-09-23 RU SU874203417A patent/RU1834941C/ru active
- 1987-09-23 MX MX8455A patent/MX159964A/es unknown
- 1987-09-23 NO NO873984A patent/NO171227C/no unknown
- 1987-09-24 FI FI874173A patent/FI88061C/fi not_active IP Right Cessation
- 1987-09-24 JP JP62237581A patent/JPS6392796A/ja active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8388811B2 (en) | 2009-04-02 | 2013-03-05 | Voith Patent Gmbh | Seamable press felt with flat manufactured carrier structure which is not woven |
Also Published As
Publication number | Publication date |
---|---|
US4761329A (en) | 1988-08-02 |
JPS6392796A (ja) | 1988-04-23 |
ZA877066B (en) | 1988-05-25 |
DE3764225D1 (de) | 1990-09-13 |
KR950013197B1 (ko) | 1995-10-25 |
NZ221888A (en) | 1989-02-24 |
DE3632386A1 (de) | 1988-04-07 |
FI88061B (fi) | 1992-12-15 |
ES2017687B3 (es) | 1991-03-01 |
JPH0524278B2 (fi) | 1993-04-07 |
FI874173A0 (fi) | 1987-09-24 |
KR880004169A (ko) | 1988-06-02 |
EP0261488A1 (de) | 1988-03-30 |
ATE55432T1 (de) | 1990-08-15 |
AU594506B2 (en) | 1990-03-08 |
BR8704885A (pt) | 1988-05-17 |
RU1834941C (ru) | 1993-08-15 |
AU7882887A (en) | 1988-03-31 |
CA1295161C (en) | 1992-02-04 |
NO873984D0 (no) | 1987-09-23 |
MX159964A (es) | 1989-10-17 |
NO873984L (no) | 1988-03-25 |
IN171368B (fi) | 1992-09-26 |
FI88061C (fi) | 1993-03-25 |
NO171227C (no) | 1993-02-10 |
FI874173A (fi) | 1988-03-25 |
NO171227B (no) | 1992-11-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 19880111 |
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