EP0050374A1 - Procédé de fabrication d'une bande de tamisage constituée de spirales bourrées en matière synthétique et bande de tamisage produite de cette manière - Google Patents

Procédé de fabrication d'une bande de tamisage constituée de spirales bourrées en matière synthétique et bande de tamisage produite de cette manière Download PDF

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Publication number
EP0050374A1
EP0050374A1 EP81108702A EP81108702A EP0050374A1 EP 0050374 A1 EP0050374 A1 EP 0050374A1 EP 81108702 A EP81108702 A EP 81108702A EP 81108702 A EP81108702 A EP 81108702A EP 0050374 A1 EP0050374 A1 EP 0050374A1
Authority
EP
European Patent Office
Prior art keywords
turns
spirals
filling material
helix
pushed
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
Application number
EP81108702A
Other languages
German (de)
English (en)
Other versions
EP0050374B1 (fr
Inventor
Johannes Lefferts
Roelof Roelofs
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.)
Siteg Siebtechnik GmbH
Original Assignee
Siteg Siebtechnik GmbH
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 Siteg Siebtechnik GmbH filed Critical Siteg Siebtechnik GmbH
Priority to AT81108702T priority Critical patent/ATE11800T1/de
Publication of EP0050374A1 publication Critical patent/EP0050374A1/fr
Application granted granted Critical
Publication of EP0050374B1 publication Critical patent/EP0050374B1/fr
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
    • D21F1/0072—Link belts
    • 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
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49838—Assembling or joining by stringing
    • 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
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53696—Means to string
    • 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
    • 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

  • the invention relates to a screen belt with a plurality of helixes made of heat-set plastic material, in particular plastic wire, adjacent helixes being pushed into each other in such a way that the turns of a helix penetrate between the turns of the adjacent helix, and a plug wire is passed through the channel formed by the helixes is.
  • the hollow spaces in the helices are filled with filler material.
  • the invention further relates to a method for producing such a screen belt.
  • sieve belts made of plastic coils, which are hereinafter referred to as "sieve belts", and to adapt them to the respective application.
  • the spirals are open and the air permeability is very high.
  • the high air permeability can be a disadvantage because it causes a very strong air circulation, which can disturb the paper web.
  • the air permeability could be reduced by inserting stiff monofilament wires into the hollow spaces of the spirals from the sieve edges or by pulling in spun fiber yarns or multifilament yarns by means of a pulling device.
  • the material that was drawn in would lie stretched straight in the cavities, so that a lot of filler material would be needed to make the air permeable noticeably decrease.
  • the large amount of filler material would also greatly increase the weight per unit area of the sieve, making it more difficult to pull in the filler material and generally to work with the sieve, in particular its assembly.
  • the subsequent introduction of the filling material is associated with difficulties and has disadvantages; either the filling material is introduced into the assembled spirals before the sieve belt is heat-set, or the filling material is pushed in or drawn in after the heat-setting.
  • the filling material extends in the spirals and can easily slide out of the sieve belt. If, for example, the edge of the screen belt is damaged in the paper machine, the filling material can easily stick to parts of the paper impose the machine and is then pulled out of the sieve belt. For this purpose, it may already be sufficient for the screen belt to rub against parts of the paper machine laterally.
  • the invention has for its object to provide a screen belt of the type mentioned with reduced air permeability.
  • the invention furthermore relates to the method for producing the screen belt according to the invention.
  • the “initial length of the filling material” is understood here to mean the length that the filling material has in the de-energized state. If the filling material contains heat-set corrugations or arcs, these must be pulled out by exerting a slight tension on the filling material before determining the initial length.
  • the filling material such as a multi- or monofilament yarn, a spun yarn or a ribbon yarn, is not only in a completely tension-free state, but also in a pent-up or compressed state in the hollow spaces of the spirals. Since no tension is exerted on the filling material, the latter expands greatly in width and fills the voids of the spirals better and more evenly than, for example tensioned yarn. Especially with softly twisted multifilament yarns and spun fiber yarns as filling material, the individual fibers are evenly distributed in the cavities so that the sieve belt has no open spaces.
  • Ribbon yarn is understood here to mean a chemical ribbon (nozzle ribbon or foil ribbon), splice ribbon or woven ribbon.
  • the filling material can also be another linear textile structure.
  • An advantage of the method according to the invention is that the filling material in the hollow spaces of the spirals yields when the spirals are pushed into one another and can be easily pushed away, which enables the use of already filled spirals for the production of the sieve belt.
  • the channel into which the plug wire is inserted is formed without great difficulty. Straight monofilament or multifile as filler material would not free up the space for the formation of the channel, but would offer considerable resistance to pushing the spirals into each other. If such filler material was used, this could only be introduced into the cavities after the spirals had been joined together.
  • the spirals can be filled in such a way that first one or more smooth monofilament wires are drawn into the interior of the spirals and then the filling material is deformed by the action of the outside, for example by wrapping the spirals with a thread in the Way that the windings of the yarn between the turns of the spirals too lie, and then exerting a pull on this yarn perpendicular to the longitudinal axis of the spiral.
  • the yarn pulls out the filling material between the spiral turns somewhat perpendicular to the spiral axis. In this state, the filling material is then heat set.
  • Another possibility is to deform the filling material from the outside by means of gear wheels or by strongly pressing in other spirals. You can also use yarn that consists of a less shrinkable and a high shrinkable component. This yarn automatically curls when heat-set. The same effect can be achieved by using biocomponent threads.
  • the sieve belt according to the invention is particularly suitable as paper machine clothing. It is particularly advantageous if it is used in the press section of a paper machine.
  • the sieve belt consists of a large number of spirals or spirals, the turns of which intermesh and mesh with one another as it were, and of plug wires, one of which is inserted into the channel formed by two adjacent spirals is.
  • the cavity of each spiral is filled with filler.
  • the cavities A and B of the two left spirals in Fig.l are filled with monofilament wires, while the two right cavities C and D are filled with voluminous multifilament or spun yarn. It can be seen that there are still open spaces in cavities A and B, e.g. where the spiral arches of the neighboring spirals are interlocked, while the voluminous filling material completely fills the cavities C and D.
  • the filling material not only completely fills the voids of the spirals, but also partially lies between the spiral arches.
  • the surface of the sieve belt is closed and leveled, and the marking of the sieve belt, which is in itself very weak, is further reduced. This also makes the The contact area of the screen belt is increased, which results in better paper drying.
  • Fig. 4 One possibility for producing the filled spirals is shown in Fig. 4.
  • the production is essentially as described in the application 29 38 221.6-45.
  • filling material yarn G is drawn off from a spool S and passed between rollers W, the speed of which can be adjusted.
  • the coil S and the rollers W are connected to the shaft of the mandrel D and rotate as a unit with the mandrel D and the cone K about the longitudinal axis of the mandrel D.
  • the coil P for the monofilament T is arranged such that the monofilament T runs onto the cone K at the point Pl in the outer third of the cone K and then slides over the inner part of the cone K and is finally wrapped around the mandrel D.
  • the filler yarn G runs onto the periphery of the cone K and is picked up by the monofilament wire T at point Pl, i.e. clamped between the monofilament wire T and the surface of the cone K.
  • the point P2 lies at the transition from the cone K to the mandrel D, i.e. at the point at which the winding of the spiral begins.
  • the length of the piece of filler yarn G can be controlled, which is carried by the monofilament wire T and is then accommodated within one turn of the spiral.
  • the filler yarn G is pressed out to the side between the turns of the monofilament wire T and the auxiliary wire H and is fixed in this state by the heating device.
  • the excess length of the filler yarn G is thereby heat set, i.e. the excess length of the filler material is used to corrugate it or to form the arches.
  • the heat-set arcs of the filler yarn G slip into the interior of the spiral and are distributed in its cavity.
  • the extent of the compression of the filler yarn G is, as mentioned, determined by the peripheral speed of the rolls W.
  • the extent of the upsetting is generally between 1.2 and 8, i.e. in a given length of the spiral there is 1.2 to 8 times the length of filler yarn. However, smaller or larger values for the upsetting are also possible.
  • the filled spirals are pushed into each other laterally so that the turns of one spiral come to lie between the turns of the next spiral.
  • the spirals are pushed so far that the spiral arches enclose a channel.
  • a plug wire is inserted into this channel, which firmly connects the sirals.
  • the screen belt is heat-set in the stretched state, whereby the spirals dig a little into the material of the wire and give the wire a wave shape.
  • the filling material of one spiral is pushed away from the turns of the other spiral. Since the filling material is very voluminous, it does not offer too much resistance and dodges.
  • the air permeability of the belt is determined, among other things, by the type of filling material and the extent of its compression.
  • a sieve belt which is made of coils with a wire thickness of 0.7 mm and plug-in wires with a wire thickness of 0.9 mm and with 20 plug-in wires per 10 cm screen length and has a thickness of 2.5 mm, has an air permeability of 320 m 3 / m 2 / min. at a pressure difference of 12.7 mm water column. If the same sieve belt is made from spirals, each filled with two textured polyamide multifilament yarns of 1300 dtex each with an upsetting of 1.5, the air permeability drops to 140 m 3 / m 2 / min.

Landscapes

  • Nonwoven Fabrics (AREA)
  • Ropes Or Cables (AREA)
  • Paper (AREA)
  • Materials For Medical Uses (AREA)
  • Peptides Or Proteins (AREA)
  • Filtering Materials (AREA)
EP81108702A 1980-10-22 1981-10-22 Procédé de fabrication d'une bande de tamisage constituée de spirales bourrées en matière synthétique et bande de tamisage produite de cette manière Expired EP0050374B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81108702T ATE11800T1 (de) 1980-10-22 1981-10-22 Verfahren zur herstellung eines siebbandes aus gefuellten kunststoffspiralen und danach hergestelltes siebband.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3039873A DE3039873C2 (de) 1980-10-22 1980-10-22 Verfahren zum Herstellen eines mit Füllmaterial versehenen Siebbandes
DE3039873 1980-10-22

Publications (2)

Publication Number Publication Date
EP0050374A1 true EP0050374A1 (fr) 1982-04-28
EP0050374B1 EP0050374B1 (fr) 1985-02-13

Family

ID=6114947

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81108702A Expired EP0050374B1 (fr) 1980-10-22 1981-10-22 Procédé de fabrication d'une bande de tamisage constituée de spirales bourrées en matière synthétique et bande de tamisage produite de cette manière

Country Status (14)

Country Link
US (1) US4362776A (fr)
EP (1) EP0050374B1 (fr)
JP (1) JPS57101092A (fr)
AR (1) AR226484A1 (fr)
AT (1) ATE11800T1 (fr)
AU (1) AU543461B2 (fr)
BR (1) BR8106774A (fr)
CA (1) CA1163847A (fr)
DE (2) DE3039873C2 (fr)
ES (2) ES8400521A1 (fr)
FI (1) FI78135C (fr)
NO (1) NO153617C (fr)
NZ (1) NZ198723A (fr)
ZA (1) ZA817029B (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0101575A2 (fr) * 1982-07-27 1984-02-29 SITEG Siebtechnik GmbH Bande à chaînons
US5068960A (en) * 1989-03-04 1991-12-03 Filztuchverwaltungs Gmbh Device for the insertion of filling wires into a wire jointed-band
US5217577A (en) * 1990-08-18 1993-06-08 Thomas Josef Heimbach Gmbh Wire-link belt
DE4122805C1 (de) * 1991-07-10 1994-10-06 Heimbach Gmbh Thomas Josef Drahtgliederband
EP0666366A1 (fr) 1994-02-04 1995-08-09 SITEG Siebtechnik GmbH Tissu à hélices ayant une faible perméabilité et son procédé de fabrication
DE19534486C1 (de) * 1995-09-16 1997-03-27 Heimbach Gmbh Thomas Josef Gliederband insbesondere für Papiermaschinen

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU531985B2 (en) * 1979-04-23 1983-09-15 Textiel Techniek Haaksbergen B.V. Sieve belt for papermaking machine
FR2494318B1 (fr) * 1980-11-14 1986-10-10 Feutres Papeteries Tissus Indl Bande constituee de spirales
US4839213A (en) * 1980-11-14 1989-06-13 Cofpa Conveyor belt constituted by plastic spirals
DE3147115A1 (de) * 1981-11-27 1983-06-01 Hermann Wangner Gmbh & Co Kg, 7410 Reutlingen Spiralgliederband und verfahren zu dessen herstellung
US4490925A (en) * 1983-06-08 1985-01-01 Wangner Systems Corporation Low permeability spiral fabric and method
US4500590A (en) * 1984-06-25 1985-02-19 Wangner Systems Corporation Dryer fabric having reduced permeability in the area of the pintle joint
NO855121L (no) * 1985-02-08 1986-08-11 Siteg Siebtech Gmbh Spiral-leddbaand med redusert luftgjennomtrengelighet.
EP0195835B1 (fr) * 1985-03-26 1991-02-27 Asten Group, Inc. Bande de tamisage sans fin pour machines à papier ou similaires
US4746546A (en) * 1985-03-26 1988-05-24 Asten Group, Inc. Method of forming endless wire belt for paper machines or the like
US5114777B2 (en) 1985-08-05 1997-11-18 Wangner Systems Corp Woven multilayer papermaking fabric having increased stability and permeability and method
DE3528363A1 (de) * 1985-08-07 1987-02-19 Wangner Gmbh Co Kg Hermann Papiermaschinenbespannung in form eines mit vliesstoff bedeckten spiralgliederbandes
DE3638036A1 (de) * 1986-11-07 1988-05-11 Siteg Siebtech Gmbh Spiralgliederband mit geteilten spiralen
US5115582A (en) * 1987-05-11 1992-05-26 Scapa, Inc. Spiral fabric papermakers belt having adjustable permeability
US5049425A (en) * 1989-01-04 1991-09-17 Abany International Corporation Porous yarn for OMS pintles
US5503195A (en) * 1994-11-15 1996-04-02 Albany International Corp Combination-type seaming pintles with wire leader
US5534333A (en) * 1995-04-07 1996-07-09 Shakespeare Spiral fabric
EP1055763B1 (fr) * 1999-05-28 2006-10-18 Moenus Textilmaschinen GmbH Procédé pour le traitement continu à la vapeur d'une étoffe textile pour le fixage des colorants réactifs sur des fibres naturelles
US7691238B2 (en) 2004-12-15 2010-04-06 Albany International Corp. Spiral fabrics
US7575659B2 (en) * 2004-12-15 2009-08-18 Albany International Corp. Spiral fabrics
DE102005044435A1 (de) * 2005-09-16 2007-03-29 Voith Patent Gmbh Papiermaschinenbespannung
DE102007052594B4 (de) * 2007-11-03 2009-07-23 Nova Bausysteme Gmbh Verfahren und Vorrichtung zum Herstellen von Wendelsieben
US8388169B2 (en) * 2008-06-26 2013-03-05 Eveready Battery Company, Inc. Light device having thermoset composite housing and electrical interconnect
CN104555252A (zh) * 2013-10-11 2015-04-29 关西金属网科技(昆山)有限公司 滤板型金属网带
EP2975176B1 (fr) 2014-07-17 2016-09-07 Karl Mayer Textilmaschinenfabrik GmbH Dispositif de fabrication de tamis à spirales

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE296427C (fr) *
GB191219045A (en) * 1912-08-20 1912-10-24 Ferdinand Garelly Conveyor Belt for Pulverised Materials.
CH610273A5 (en) * 1975-10-02 1979-04-12 Munzinger Conrad & Cie Ag Flat formation acting as a wire link conveyor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE816832C (de) * 1949-08-23 1951-10-15 Wilhelm Dreier Verfahren und Vorrichtung zum Herstellen von Reissverschluessen mit zwei ineinandergreifenden, schraubenfoermigen Drahtspulen sowie nach diesem Verfahren hergestellter Reissverschluss
DE2419751C3 (de) * 1974-04-24 1982-01-21 Kerber, geb. Poth, Hella, 6731 Weidenthal Drahtgliederband z.B. für Papiermaschinen
AU531985B2 (en) * 1979-04-23 1983-09-15 Textiel Techniek Haaksbergen B.V. Sieve belt for papermaking machine
ZA815836B (en) * 1980-09-06 1982-08-25 Scapa Porritt Ltd Link belts

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE296427C (fr) *
GB191219045A (en) * 1912-08-20 1912-10-24 Ferdinand Garelly Conveyor Belt for Pulverised Materials.
CH610273A5 (en) * 1975-10-02 1979-04-12 Munzinger Conrad & Cie Ag Flat formation acting as a wire link conveyor

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0101575A2 (fr) * 1982-07-27 1984-02-29 SITEG Siebtechnik GmbH Bande à chaînons
EP0101575A3 (fr) * 1982-07-27 1986-02-05 SITEG Siebtechnik GmbH Bande à chaínons
US5068960A (en) * 1989-03-04 1991-12-03 Filztuchverwaltungs Gmbh Device for the insertion of filling wires into a wire jointed-band
US5217577A (en) * 1990-08-18 1993-06-08 Thomas Josef Heimbach Gmbh Wire-link belt
DE4122805C1 (de) * 1991-07-10 1994-10-06 Heimbach Gmbh Thomas Josef Drahtgliederband
EP0666366A1 (fr) 1994-02-04 1995-08-09 SITEG Siebtechnik GmbH Tissu à hélices ayant une faible perméabilité et son procédé de fabrication
DE19534486C1 (de) * 1995-09-16 1997-03-27 Heimbach Gmbh Thomas Josef Gliederband insbesondere für Papiermaschinen
US5810159A (en) * 1995-09-16 1998-09-22 Thomas Josef Heimbach Gmbh & Co. Link conveyor especially for paper-making machines

Also Published As

Publication number Publication date
FI78135C (fi) 1989-06-12
DE3039873A1 (de) 1982-08-19
ATE11800T1 (de) 1985-02-15
EP0050374B1 (fr) 1985-02-13
ZA817029B (en) 1982-09-29
NO153617C (no) 1986-05-21
NZ198723A (en) 1985-04-30
FI78135B (fi) 1989-02-28
AU543461B2 (en) 1985-04-18
FI812890L (fi) 1982-04-23
ES506424A0 (es) 1983-11-01
NO813549L (no) 1982-04-23
US4362776A (en) 1982-12-07
NO153617B (no) 1986-01-13
DE3039873C2 (de) 1986-02-06
DE3168941D1 (en) 1985-03-28
JPS57101092A (en) 1982-06-23
ES8307956A1 (es) 1983-08-01
AR226484A1 (es) 1982-07-15
AU7627881A (en) 1982-04-29
CA1163847A (fr) 1984-03-20
BR8106774A (pt) 1982-07-06
ES517394A0 (es) 1983-08-01
ES8400521A1 (es) 1983-11-01

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