BR8008695A - Processo para producao de uma correia articulada de elos e correia de elos produzida pelo mesmo - Google Patents

Processo para producao de uma correia articulada de elos e correia de elos produzida pelo mesmo

Info

Publication number
BR8008695A
BR8008695A BR8008695A BR8008695A BR8008695A BR 8008695 A BR8008695 A BR 8008695A BR 8008695 A BR8008695 A BR 8008695A BR 8008695 A BR8008695 A BR 8008695A BR 8008695 A BR8008695 A BR 8008695A
Authority
BR
Brazil
Prior art keywords
link belt
production
same
produced
articulated
Prior art date
Application number
BR8008695A
Other languages
English (en)
Inventor
G Leuvelink
Original Assignee
Haaksbergen T T Bv
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 Haaksbergen T T Bv filed Critical Haaksbergen T T Bv
Publication of BR8008695A publication Critical patent/BR8008695A/pt

Links

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
    • D21F1/0072Link belts
    • 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
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49826Assembling or joining
    • Y10T29/49838Assembling or joining by stringing
    • 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
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49826Assembling or joining
    • Y10T29/4984Retaining clearance for motion between assembled parts
    • Y10T29/49845Retaining clearance for motion between assembled parts by deforming interlock
    • 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
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49826Assembling or joining
    • Y10T29/49861Sizing mating parts during final positional association
    • 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
    • Y10T29/00Metal working
    • Y10T29/53Means to assemble or disassemble
    • Y10T29/53696Means to string
    • 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.]
    • 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
    • Y10T428/249921Web or sheet containing structurally defined element or component
    • 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
    • Y10T428/249921Web or sheet containing structurally defined element or component
    • Y10T428/249922Embodying intertwined or helical component[s]
BR8008695A 1979-05-26 1980-05-19 Processo para producao de uma correia articulada de elos e correia de elos produzida pelo mesmo BR8008695A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19792921491 DE2921491A1 (de) 1979-05-26 1979-05-26 Verfahren zur herstellung eines gliederbandes
PCT/EP1980/000028 WO1980002703A1 (fr) 1979-05-26 1980-05-19 Procede de fabrication d'une bande a maillons et bande produite par ce procede

Publications (1)

Publication Number Publication Date
BR8008695A true BR8008695A (pt) 1981-06-09

Family

ID=6071803

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8008695A BR8008695A (pt) 1979-05-26 1980-05-19 Processo para producao de uma correia articulada de elos e correia de elos produzida pelo mesmo

Country Status (17)

Country Link
US (2) US4345730C1 (pt)
EP (1) EP0028630B1 (pt)
JP (2) JPS5614641A (pt)
AU (1) AU535180B2 (pt)
BE (1) BE883459A (pt)
BR (1) BR8008695A (pt)
CA (1) CA1129234A (pt)
CH (1) CH648878A5 (pt)
DE (1) DE2921491A1 (pt)
ES (2) ES8200586A1 (pt)
FI (1) FI72459C (pt)
GB (1) GB2051154B (pt)
IT (1) IT1130664B (pt)
NO (1) NO153774C (pt)
NZ (1) NZ193559A (pt)
WO (1) WO1980002703A1 (pt)
ZA (1) ZA802542B (pt)

Families Citing this family (67)

* 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
DE2921491A1 (de) * 1979-05-26 1980-12-04 T T Haaksbergen B V I O Verfahren zur herstellung eines gliederbandes
DE3047989C2 (de) * 1980-12-19 1984-11-15 Reinhard Werner 6057 Dietzenbach Leo Drahtwendel für die Herstellung eines flächigen Gliederbandes
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
US4395308A (en) * 1981-06-12 1983-07-26 Scapa Dyers Inc. Spiral fabric papermakers felt and method of making
JPS58181498A (ja) * 1982-04-17 1983-10-24 Shikishima Kanbasu Kk ベルトプレス型汚泥脱水機の加圧ベルト
DE3228033A1 (de) * 1982-07-27 1984-02-02 Siteg Siebtechnik GmbH, 4422 Ahaus Spirale grosser laenge zur herstellung eines spiralbandes und verfahren und vorrichtung zum einbringen von fuellmaterial in diese spiralen
GB8302118D0 (en) * 1983-01-26 1983-03-02 Scapa Porritt Ltd Link belts
DE3304459A1 (de) * 1983-02-09 1984-08-16 Siteg Siebtechnik GmbH, 4422 Ahaus Doppelspirale, verfahren zu deren herstellung, verwendung der doppelspirale zur herstellung eines siebbandes und aus diesen doppelspiralen hergestelltes spiralband
DE3315417C1 (de) * 1983-04-28 1984-10-04 Roda Holding Anstalt, Vaduz Verfahren und Vorrichtungen zum Wickeln und Formen von Wendeln aus elastischem Kunststoff- oder Metalldraht,vorzugsweise zum Fuegen von Flaechengebilden
DE3416234A1 (de) * 1983-06-13 1984-12-13 Albany International Corp., Menands, N.Y. Papiermaschinenbespannung
US4500590A (en) * 1984-06-25 1985-02-19 Wangner Systems Corporation Dryer fabric having reduced permeability in the area of the pintle joint
FI69886C (fi) * 1985-01-10 1986-05-26 Tamfelt Oy Ab Spiralvira och foerfarande foer dess tillverkning
US4746546A (en) * 1985-03-26 1988-05-24 Asten Group, Inc. Method of forming endless wire belt for paper machines or the like
DE3581930D1 (de) * 1985-03-26 1991-04-04 Asten Group Endloses siebband fuer papiermaschinen o.dgl.
DE3511166A1 (de) * 1985-03-27 1986-10-09 Siteg Siebtechnik GmbH, 4422 Ahaus Spiralgliederband mit verminderter luftdurchlaessigkeit und verfahren zu dessen herstellung
US5114777B2 (en) 1985-08-05 1997-11-18 Wangner Systems Corp Woven multilayer papermaking fabric having increased stability and permeability and method
DE3545805A1 (de) * 1985-12-23 1987-06-25 Wangner Gmbh Co Kg Hermann Verfahren und vorrichtung zur herstellung eines flaechigen spiralgliederverbundes
US4675229A (en) * 1986-01-24 1987-06-23 Scapa Inc. Spiral coil corrugator belt
DE3638036A1 (de) * 1986-11-07 1988-05-11 Siteg Siebtech Gmbh Spiralgliederband mit geteilten spiralen
US4974724A (en) * 1987-10-06 1990-12-04 The Laitram Corporation Conveyor belt with a connecting member drive
US4857391A (en) * 1987-12-22 1989-08-15 Scapa Inc. Non-woven paper machine dryer fabric without slack edges
DE8902635U1 (pt) * 1989-03-04 1989-04-13 Filztuchverwaltungs Gmbh, 6082 Moerfelden-Walldorf, De
US5162151A (en) * 1991-01-23 1992-11-10 Hoechst Celanese Corporation Polyphenylene sulfide monofilaments and fabrics therefrom
US5176249A (en) * 1991-02-08 1993-01-05 The Cambridge Wire Cloth Company Single faceted round back wire, oblique crimp connecting rod woven wire conveyor belt
US5104724A (en) * 1991-06-07 1992-04-14 Wangner Systems Corporation Dryer fabric
ATE140495T1 (de) * 1992-02-28 1996-08-15 Jwi Ltd Trockensiebe für papiermaschinen mit hohlen monofilamenten
DE9209146U1 (pt) * 1992-07-08 1992-09-10 Wuerttembergische Filztuchfabrik D. Geschmay Gmbh, 7320 Goeppingen, De
US6050394A (en) * 1993-05-05 2000-04-18 Maryland Wire Belt, Inc. Component manufacture and operation of woven-wire conveyor belts
US6069204A (en) * 1993-09-09 2000-05-30 Johns Manville International, Inc. Monofilament made from a blend of a polyester having a polyhydric alcohol component of 1,4-cyclohexanedimethanol, a polyamide, and a polyolefin
US5363952A (en) * 1993-09-10 1994-11-15 Centorr/Vacuum Industries, Inc. High temperature transport belt for materials treating furnace
EP0659934A3 (en) 1993-12-14 1995-09-06 Appleton Mills Band or sleeve for press comprising an open support fabric, for application in presses with extended pressing zone, and its manufacturing process.
DE69410581T2 (de) * 1993-12-29 1998-11-26 Across Co Hitzebeständiges Material und Förderband aus diesem Material
US5861366A (en) * 1994-08-31 1999-01-19 Ecolab Inc. Proteolytic enzyme cleaner
US5858117A (en) 1994-08-31 1999-01-12 Ecolab Inc. Proteolytic enzyme cleaner
GB9420216D0 (en) 1994-10-06 1994-11-23 Scapa Group Plc Dewatering process
GB9521299D0 (en) 1995-10-18 1995-12-20 Scapa Group Plc Papermakers dryer fabric
US5826705A (en) * 1996-11-25 1998-10-27 Omni Manufacturing Co. Conveyor belt assembly with headed retention shaft
GB9718841D0 (en) * 1997-09-06 1997-11-12 Scapa Group Plc Moulded Filter Cloths
GB9815719D0 (en) 1998-07-21 1998-09-16 Scapa Group Plc Belt jointing apparatus
US6183601B1 (en) 1999-02-03 2001-02-06 Kimberly-Clark Worldwide, Inc. Method of calendering a sheet material web carried by a fabric
IT1318095B1 (it) * 2000-06-30 2003-07-23 Feltri Marone S P A Macchina per la fabbricazione di cartone ondulato.
GB0117830D0 (en) * 2001-07-21 2001-09-12 Voith Fabrics Heidenheim Gmbh Stabilised polyester compositions and monofilaments thereof for use in papermachine clothing and other industrial fabrics
WO2003057977A2 (en) * 2002-01-10 2003-07-17 Voith Fabrics Heidenheim Gmbh & Co. Kg. Papermaking belts and industrial textiles with enhanced surface properties
US20040033856A1 (en) * 2002-08-14 2004-02-19 Levine Mark J. Seamable pinspotter belt
MXPA05005567A (es) * 2002-12-16 2005-08-16 Albany Int Corp Hidroenmaranado usando una tela teniendo filamentos planos.
US7514030B2 (en) * 2002-12-30 2009-04-07 Albany International Corp. Fabric characteristics by flat calendering
WO2004094275A1 (en) * 2003-04-17 2004-11-04 Cambridge International, Inc. Plastic woven spiral conveyor belt
US7263587B1 (en) 2003-06-27 2007-08-28 Zoran Corporation Unified memory controller
US20080132636A1 (en) * 2004-06-03 2008-06-05 Gilbert Ross Nylon monofilaments and process for preparing nylon monofilaments for the production of spiral fabrics and seam wires
US7691238B2 (en) * 2004-12-15 2010-04-06 Albany International Corp. Spiral fabrics
US7425364B2 (en) * 2005-07-01 2008-09-16 Voith Fabric Patent Gmbh Antistatic spiral fabric
US7360642B2 (en) * 2006-03-30 2008-04-22 Albany International Corp. Spiral-link belt with drive bars
FR2899440B1 (fr) * 2006-04-10 2008-07-04 Manulatex France Soc Par Actio Gant de protection en cotte de mailles muni de moyens de mise en tension de la maille
FR2899441B1 (fr) * 2006-04-10 2008-07-04 Manulatex France Soc Par Actio Article en cotte de mailles equipe d'un organe elastique de resserrement ou de mise en tension
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
DE102007052594B4 (de) * 2007-11-03 2009-07-23 Nova Bausysteme Gmbh Verfahren und Vorrichtung zum Herstellen von Wendelsieben
DE102007055761A1 (de) 2007-12-11 2009-06-18 Voith Patent Gmbh Spiralgliederband
DE102007055760A1 (de) 2007-12-11 2009-06-18 Voith Patent Gmbh Spiralgliederband
DE102007055861A1 (de) 2007-12-18 2009-06-25 Voith Patent Gmbh Spiralgliederband
US8696346B2 (en) * 2008-02-06 2014-04-15 Habasit Ag Counterband tape
DE102008063289A1 (de) * 2008-12-30 2010-07-01 Kieselstein Gmbh Dreidimensionale Drahtstruktur in Leichtbauweise und Verfahren zu deren Herstellung
GB2498922A (en) 2011-12-14 2013-08-07 Madison Filter 981 Ltd Antistatic link belt
US10689807B2 (en) * 2013-03-14 2020-06-23 Albany International Corp. Industrial fabrics comprising infinity shape coils
EP3018253B1 (de) 2014-11-04 2016-09-21 Karl Mayer Textilmaschinenfabrik GmbH Vorrichtung und Verfahren zum Herstellen von Wendelsieben
EP3221134A4 (en) 2014-12-05 2018-08-22 Structured I, LLC Manufacturing process for papermaking belts using 3d printing technology

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB594316A (en) * 1945-02-23 1947-11-07 John Howard Booth Improvements in conveyor beltings
US520906A (en) * 1894-06-05 Paul tourasse
CA742505A (en) * 1966-09-13 H. K. Jeffrey Ernest Wire belts
US803659A (en) * 1904-11-12 1905-11-07 Arthur S Allen Pneumatic tire.
US2255452A (en) * 1939-08-29 1941-09-09 Clarence E Pink Wire fabric
US2254396A (en) * 1940-05-15 1941-09-02 Audubon Wire Cloth Corp Manufacture of wire fabrics
DE1019158B (de) * 1955-09-14 1957-11-07 Oberdorfer Fa F Verfahren zum Herstellen eines Papiermaschinensiebes, dessen Kettendraehte quer zurLaufrichtung wellenfoermig gekruemmt sind
US3032441A (en) * 1960-04-18 1962-05-01 Huyck Corp Open weave endless fabric and method for producing the same
US3376002A (en) * 1965-03-05 1968-04-02 Cambridge Wire Cloth Connecting bar
US3473576A (en) * 1967-12-14 1969-10-21 Procter & Gamble Weaving polyester fiber fabrics
DE2419751C3 (de) * 1974-04-24 1982-01-21 Kerber, geb. Poth, Hella, 6731 Weidenthal Drahtgliederband z.B. für Papiermaschinen
FR2364284A1 (fr) * 1976-09-10 1978-04-07 Payen & Cie L Procede pour la fabrication d'une etoffe rigide ajouree et etoffes ainsi realisees
CA1071913A (en) * 1977-03-28 1980-02-19 Robert H. Kositzke Synthetic papermaking fabric with rectangular threads
SE420852B (sv) * 1978-06-12 1981-11-02 Nordiskafilt Ab Formeringsvira
NL7903176A (nl) * 1979-04-23 1980-10-27 Johannes Lefferts Werkwijze voor het vervaardigen van een zeefband, bij- voorbeeld een zeefband voor een papiermachine.
DE2921491A1 (de) * 1979-05-26 1980-12-04 T T Haaksbergen B V I O Verfahren zur herstellung eines gliederbandes
DE3003343A1 (de) * 1980-01-31 1981-08-06 Opti Patent-, Forschungs- und Fabrikations-AG, 8750 Glarus Schraubenwendel-transportband

Also Published As

Publication number Publication date
GB2051154A (en) 1981-01-14
ES253401Y (es) 1981-06-01
CH648878A5 (de) 1985-04-15
IT8022327A0 (it) 1980-05-26
NO153774C (no) 1986-05-21
FI72459B (fi) 1987-02-27
ES491853A0 (es) 1981-11-01
JPS5614641A (en) 1981-02-12
DE2921491A1 (de) 1980-12-04
NZ193559A (en) 1983-07-15
DE2921491C2 (pt) 1991-02-21
US4345730C1 (en) 2001-06-05
BE883459A (fr) 1980-09-15
CA1129234A (en) 1982-08-10
IT1130664B (it) 1986-06-18
EP0028630B1 (en) 1984-09-19
JPS6339717B2 (pt) 1988-08-08
US4345730A (en) 1982-08-24
US4423543B1 (en) 2000-10-03
FI801672A (fi) 1980-11-27
AU5826980A (en) 1980-12-04
NO153774B (no) 1986-02-10
US4423543A (en) 1984-01-03
JPS6128096A (ja) 1986-02-07
AU535180B2 (en) 1984-03-08
JPH045797B2 (pt) 1992-02-03
EP0028630A1 (en) 1981-05-20
FI72459C (fi) 1987-08-05
NO810220L (no) 1981-01-22
WO1980002703A1 (fr) 1980-12-11
ES8200586A1 (es) 1981-11-01
ZA802542B (en) 1981-06-24
GB2051154B (en) 1983-02-02
ES253401U (es) 1980-12-16

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Legal Events

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MK Patent expired

Effective date: 19950519