EP0116894B1 - Verfahren zur Herstellung eines Spiralbandes - Google Patents

Verfahren zur Herstellung eines Spiralbandes Download PDF

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Publication number
EP0116894B1
EP0116894B1 EP19840101286 EP84101286A EP0116894B1 EP 0116894 B1 EP0116894 B1 EP 0116894B1 EP 19840101286 EP19840101286 EP 19840101286 EP 84101286 A EP84101286 A EP 84101286A EP 0116894 B1 EP0116894 B1 EP 0116894B1
Authority
EP
European Patent Office
Prior art keywords
spiral
elements
spiral elements
spirals
double
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
Application number
EP19840101286
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0116894A1 (de
Inventor
Johannes Lefferts
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
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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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6190429&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0116894(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Siteg Siebtechnik GmbH filed Critical Siteg Siebtechnik GmbH
Priority to AT84101286T priority Critical patent/ATE29748T1/de
Publication of EP0116894A1 publication Critical patent/EP0116894A1/de
Application granted granted Critical
Publication of EP0116894B1 publication Critical patent/EP0116894B1/de
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
    • 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.]
    • 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]
    • 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
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2922—Nonlinear [e.g., crimped, coiled, etc.]
    • Y10T428/2925—Helical or coiled

Definitions

  • the invention relates to a method for producing a spiral tape, in which the spiral elements are partially engaged with each other in the manner of a zipper and are secured by a plug-in wire, and in part the turns of the spiral elements loop around one another, the spiral elements being produced by winding two wires onto a mandrel, the coiled spirals are mutually offset perpendicular to their longitudinal axis and then the one of the two spiral elements with a preceding spiral and the other with a subsequent spiral zipper-like engagement and connected by inserting a plug wire.
  • Spiral belts are used for transport purposes and as paper machine clothing.
  • the manufacturing cost of spiral tapes is heavily influenced by the manufacturing cost of spirals, and likewise the manufacturing capacity for spiral tapes depends primarily on the spiral production.
  • the production capacity of a machine which assembles the spirals into a spiral band is generally so great that a very large number of spiral production machines which run at top speed are required in order to utilize a system for further processing the spirals into a spiral band. It is therefore important to keep the manufacturing costs of the spirals as low as possible and to increase the output of a single spiral machine as much as possible.
  • An increase in capacity of the spiral manufacturing machines can be achieved by winding double spirals instead of spiral elements.
  • a double spiral and a method for its production is known from DE-B 3003344. With this method, the two spiral elements of the double spiral can be easily separated by pulling them apart after manufacture. This is achieved by a complicated process in which the two wires wound on the winding mandrel alternately cross each other. As a result of these crossings, however, the spirals have an asymmetrical cross-sectional shape, which makes them unsuitable for producing spiral strips with a smooth surface. It is also not specified how these spirals can be processed into a sieve belt.
  • Double spirals are also known from EP-A 18200. However, the double spirals are used in a spiral band without lateral displacement, i.e. with overlapping longitudinal axes.
  • the manufacture of these spiral bands is screwed.
  • Such spiral tapes are, however, much more complex to manufacture than e.g. spiral tapes known from DE-A 2 938 221, in which the spirals are inserted into one another perpendicular to the longitudinal axis and secured by plug-in wires.
  • the object of the invention is to simplify the production of a spiral link belt and in particular to reduce the cost share of spiral production in the total costs of a spiral belt.
  • the two plastic wires are preferably wound tightly, so that each spiral element has a pitch equal to twice the diameter of the plastic wire.
  • the two spiral elements of a double spiral are offset relative to one another perpendicular to their longitudinal axis, so that their turns wind around each other. Without additional measures, the two spiral elements would immediately slide back into a double spiral. The offset of the spiral elements against each other must therefore be ensured. This is preferably done by applying an adhesive strip to the offset spiral elements.
  • the spiral elements can be offset against one another in such a way that the spirals are guided over two wires which are located within the cavities of the spiral elements. So that the wires are not carried along by the spirals, they have a curved shape, e.g. U shape.
  • a curved shape e.g. U shape.
  • the two coherent spiral elements are joined together with other such spirals to form a screen belt Lichen way in which the turns are inserted and a plug wire is inserted through the channel formed.
  • the sieve belt is then heat-set as in DE-A 2 938 221.
  • the temperature and the tension exerted on the sieve belt are selected so that the turns of the spirals penetrate somewhat into the material of the plug wires and thereby deform them in a wave shape.
  • the spirals lie closely together without tension spring tension, so that the wavelength of the wavy plug wire is approximately equal to twice the diameter of the plastic wire of the spirals.
  • Fig. 1 shows a spiral according to the prior art.
  • the gradient of the spiral is shown larger than it actually is for the spirals used for the production of a screen belt.
  • the spirals usually have a pitch equal to the wire diameter up to a maximum of twice the wire diameter.
  • Fig. 2 shows a double spiral 3, which consists of two intertwined spiral elements 1, 2.
  • the winding spacing is the same.
  • each spiral element 1 or 2 per se has a double slope and the slope angle is also correspondingly larger.
  • double spirals cannot be combined into a spiral band in the same way as single spirals.
  • the double spirals that are joined together immediately push apart, i.e. separate spontaneously and do not allow the insertion of a plug wire. Double spirals would have to be held together with suitable means so that a plug-in wire can be inserted.
  • Fig. 3 shows a double spiral 3, in which the two spiral elements 1 and 2 are offset from each other, so that their windings loop around each other. Two such double spirals can be inserted into one another, since each of the offset spiral elements 1 or 2 has only one pitch equal to twice the wire diameter. During manufacture, the double spiral can thus be wound without a turn spacing, i.e. turn after turn. However, there is the problem that the two spiral elements 1, 2 immediately slide together again, i.e. assume the position shown in Fig. 2, in which the longitudinal axes of the spiral elements 1, 2 coincide when the forces displacing the spiral elements laterally are canceled.
  • Fig. 4 shows a device for laterally displacing the spiral elements 1, 2 and for securing this displacement.
  • the device has a roller 11 and a pair of rollers 12 which are driven at the same peripheral speed.
  • Each spiral element 1 or 2 runs onto one of the two wires 13 in such a way that the spiral elements 1, 2 are pulled apart perpendicularly to their longitudinal axis and thus two spiral elements with winding turns are obtained.
  • This process is comparable to the process described in DE-A 3 220 517.
  • the spiral elements are driven by means of the roller 11 and pushed over the U-shaped wires 13.
  • the arrangement of the rollers and the shape of the wires 13 are such that the wires 13 cannot be carried along by the spirals being conveyed on.
  • FIG. 5 shows a section through the offset spiral elements 1, 2 running on the wires 13.
  • the shape and dimensions of the cross section of the wires are adapted to the free cavity within the connected spiral elements.
  • an adhesive tape 14 is fed into the nip of the pair of rollers 12 and applied to the two spiral elements 1, 2.
  • the adhesive tape 14 prevents the spiral elements 1, 2 from sliding together again.
  • the spiral elements provided with the adhesive tape are now placed in a jug and can slide in the same without any difficulty Chen how simple spirals are put together to a sieve belt. After joining and inserting the plug wires, the adhesive tape can be removed again.
  • the device for laterally displacing and securing the displacement of the spiral elements is simple in construction and allows a high working speed, so that the double spirals produced by approximately ten spiral winding machines can be processed with a single device of this type. Removing the adhesive tape is also easy and does not involve any significant costs.
  • Fig. 6 shows a section of a spiral band, which is made of double spirals with offset spiral elements.
  • the turns of a spiral element of a double spiral are inserted between the turns of a spiral element of the following double spiral and a plug wire 6 is pushed through the channel formed in the overlap region of the turns of the two spiral elements.
  • the permeability of the spiral band shown in FIG. 6 is not uniform. It can therefore sometimes be expedient to insert additional plug wires 7 between the mutually wrapping turns of the spiral elements 1, a double spiral. This significantly improves the uniformity of the permeability of the spiral band.
EP19840101286 1983-02-09 1984-02-08 Verfahren zur Herstellung eines Spiralbandes Expired EP0116894B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84101286T ATE29748T1 (de) 1983-02-09 1984-02-08 Verfahren zur herstellung eines spiralbandes.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19833304459 DE3304459A1 (de) 1983-02-09 1983-02-09 Doppelspirale, verfahren zu deren herstellung, verwendung der doppelspirale zur herstellung eines siebbandes und aus diesen doppelspiralen hergestelltes spiralband
DE3304459 1983-02-09

Publications (2)

Publication Number Publication Date
EP0116894A1 EP0116894A1 (de) 1984-08-29
EP0116894B1 true EP0116894B1 (de) 1987-09-16

Family

ID=6190429

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19840101286 Expired EP0116894B1 (de) 1983-02-09 1984-02-08 Verfahren zur Herstellung eines Spiralbandes

Country Status (5)

Country Link
US (1) US4575472A (fi)
EP (1) EP0116894B1 (fi)
AT (1) ATE29748T1 (fi)
DE (2) DE3304459A1 (fi)
FI (1) FI82416C (fi)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3411112A1 (de) * 1984-03-26 1985-10-03 Fa. F. Oberdorfer, 7920 Heidenheim Spiralsiebband
DE3638036A1 (de) * 1986-11-07 1988-05-11 Siteg Siebtech Gmbh Spiralgliederband mit geteilten spiralen
JPH01207464A (ja) * 1988-02-09 1989-08-21 Kanto Yakin Kogyo Kk 高温下搬送手段用構成部品
DE4026196A1 (de) * 1990-08-18 1992-02-20 Heimbach Gmbh Thomas Josef Sieb zur anwendung bei der papierfabrikation
DE4039399A1 (de) * 1990-12-10 1992-06-11 Siteg Siebtech Gmbh Doppelspirale, deren herstellung und deren verwendung zur herstellung eines spiralgliederbandes
DE4122805C1 (de) * 1991-07-10 1994-10-06 Heimbach Gmbh Thomas Josef Drahtgliederband
AU6787200A (en) 1999-08-20 2001-03-19 Astenjohnson, Inc. Bi-component molded modular link and a fabric made from a plurality thereof
DE10084909T1 (de) 1999-08-20 2002-09-12 Astenjohnson Inc Geformtes modulares Verbindungsglied und aus einer Vielzahl von derartigen Verbindungsgliedern hergestelltes Gewebe
US6260342B1 (en) 1999-11-19 2001-07-17 Santa's Best Method and apparatus for making spiral garland
US6258420B1 (en) 1999-11-19 2001-07-10 Santa's Best Twisted spiral garland
JP2001336048A (ja) * 2000-05-25 2001-12-07 Nobuhiko Katsura 螺旋線材を使用した網体
CA2620889C (en) * 2005-08-31 2014-04-01 Albany International Corp. Improved spiral link fabric and methods to build the same
US7360642B2 (en) * 2006-03-30 2008-04-22 Albany International Corp. Spiral-link belt with drive bars
DE102007052594B4 (de) * 2007-11-03 2009-07-23 Nova Bausysteme Gmbh Verfahren und Vorrichtung zum Herstellen von Wendelsieben
US8734198B1 (en) 2013-03-15 2014-05-27 Edward B. Seldin Educational toy, geometric puzzle construction system
DE102017119934B4 (de) 2017-08-30 2019-12-05 Wolfgang Bachmann Verfahren und Vorrichtung zur Herstellung von Spiralsieben aus einem Wendelverbund

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE77147C (de) P. TOURASSE in Bridoire, Savoyen Metalltuch für Papiermaschinen. (2
DE80763C (fi)
DE54525C (de) P. TOURASSE in Bridoire, Savoyen Metalltuch für Papiermaschinen
US1773426A (en) * 1928-06-13 1930-08-19 George Haiss Mfg Co Inc Metallic belt
US1850859A (en) * 1928-12-12 1932-03-22 Wickwire Spencer Steel Company Spiral conveyer belt
US1816560A (en) * 1929-01-02 1931-07-28 John C Anderson Conveyer belt
GB338951A (en) * 1929-08-26 1930-11-26 Wickwire Spencer Steel Company Improvements in wire conveyor belts
DE584851C (de) * 1931-09-10 1933-09-25 Edward Francis Pink Drahtgeflechtband fuer Foerderzwecke
GB582056A (en) * 1944-06-08 1946-11-04 John Howard Booth Improvements in wire meshwork for conveyor belting
US3376002A (en) * 1965-03-05 1968-04-02 Cambridge Wire Cloth Connecting bar
US3512760A (en) * 1967-08-04 1970-05-19 Bergandi Mfg Co Inc Wire fabric and apparatus and method for making same
NL7903176A (nl) 1979-04-23 1980-10-27 Johannes Lefferts Werkwijze voor het vervaardigen van een zeefband, bij- voorbeeld een zeefband voor een papiermachine.
AU531985B2 (en) * 1979-04-23 1983-09-15 Textiel Techniek Haaksbergen B.V. Sieve belt for papermaking machine
DE2921491A1 (de) * 1979-05-26 1980-12-04 T T Haaksbergen B V I O Verfahren zur herstellung eines gliederbandes
DE3003344B1 (de) 1980-01-31 1980-08-28 Opti Patent Forschung Fab Verfahren und Vorrichtung zur Herstellung von Transportbandelementen fuer Schraubenwendel-Transportbaender
DE3220517C2 (de) 1982-06-01 1986-12-18 Siteg Siebtechnik GmbH, 4422 Ahaus Verfahren und Vorrichtung zum Herstellen von Schraubenwendeln aus Kunststoff-Monofil mit einer Steigung, die größer ist als der Durchmesser des Monofils

Also Published As

Publication number Publication date
EP0116894A1 (de) 1984-08-29
FI840473A0 (fi) 1984-02-06
DE3304459A1 (de) 1984-08-16
FI840473A (fi) 1984-08-10
DE3466259D1 (en) 1987-10-22
FI82416B (fi) 1990-11-30
ATE29748T1 (de) 1987-10-15
FI82416C (fi) 1991-03-11
US4575472A (en) 1986-03-11

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