ZA985230B - Manufacture of plain bearings - Google Patents

Manufacture of plain bearings

Info

Publication number
ZA985230B
ZA985230B ZA985230A ZA985230A ZA985230B ZA 985230 B ZA985230 B ZA 985230B ZA 985230 A ZA985230 A ZA 985230A ZA 985230 A ZA985230 A ZA 985230A ZA 985230 B ZA985230 B ZA 985230B
Authority
ZA
South Africa
Prior art keywords
manufacture
plain bearings
metal backing
layer
lining layer
Prior art date
Application number
ZA985230A
Other languages
English (en)
Inventor
Julie Ann Mcdonald
John Edward Wheatley
David Geoffrey Hall
Anthony Latkowski
Original Assignee
T & N Technology Ltd
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 T & N Technology Ltd filed Critical T & N Technology Ltd
Publication of ZA985230B publication Critical patent/ZA985230B/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/04Reinforcing macromolecular compounds with loose or coherent fibrous material
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20Macromolecular organic compounds
    • D21H17/33Synthetic macromolecular compounds
    • D21H17/34Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/35Polyalkenes, e.g. polystyrene
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02Parts of sliding-contact bearings
    • F16C33/04Brasses; Bushes; Linings
    • F16C33/06Sliding surface mainly made of metal
    • F16C33/12Structural composition; Use of special materials or surface treatments, e.g. for rust-proofing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02Parts of sliding-contact bearings
    • F16C33/04Brasses; Bushes; Linings
    • F16C33/18Sliding surface consisting mainly of wood or fibrous material
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02Parts of sliding-contact bearings
    • F16C33/04Brasses; Bushes; Linings
    • F16C33/20Sliding surface consisting mainly of plastics
    • F16C33/201Composition of the plastic
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2327/00Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
    • C08J2327/02Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/12Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H13/00Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
    • D21H13/10Organic non-cellulose fibres
    • D21H13/20Organic non-cellulose fibres from macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H13/26Polyamides; Polyimides
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H13/00Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
    • D21H13/36Inorganic fibres or flakes
    • D21H13/38Inorganic fibres or flakes siliceous
    • D21H13/40Inorganic fibres or flakes siliceous vitreous, e.g. mineral wool, glass fibres
    • 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
    • Y10T428/29Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913Rod, strand, filament or fiber
    • Y10T428/2933Coated or with bond, impregnation or core
    • Y10T428/294Coated or with bond, impregnation or core including metal or compound thereof [excluding glass, ceramic and asbestos]
    • Y10T428/2942Plural coatings
    • Y10T428/2949Glass, ceramic or metal oxide in coating
    • 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
    • Y10T442/00Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/601Nonwoven fabric has an elastic quality
    • Y10T442/602Nonwoven fabric comprises an elastic strand or fiber material
    • 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
    • Y10T442/00Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/659Including an additional nonwoven fabric
    • Y10T442/668Separate nonwoven fabric layers comprise chemically different strand or fiber material

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Sliding-Contact Bearings (AREA)
  • Laminated Bodies (AREA)
  • Glass Compositions (AREA)
  • Rotary Pumps (AREA)
ZA985230A 1997-06-21 1998-06-17 Manufacture of plain bearings ZA985230B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9713079.3A GB9713079D0 (en) 1997-06-21 1997-06-21 Manufacture of plain bearings

Publications (1)

Publication Number Publication Date
ZA985230B true ZA985230B (en) 1998-10-05

Family

ID=10814682

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA985230A ZA985230B (en) 1997-06-21 1998-06-17 Manufacture of plain bearings

Country Status (18)

Country Link
US (2) US6485608B1 (zh)
EP (1) EP0991700B1 (zh)
JP (1) JP2002510347A (zh)
KR (1) KR20010014028A (zh)
CN (1) CN1104457C (zh)
AT (1) ATE214720T1 (zh)
AU (1) AU737827B2 (zh)
BR (1) BR9810261A (zh)
CZ (1) CZ297250B6 (zh)
DE (1) DE69804307T2 (zh)
DK (1) DK0991700T3 (zh)
ES (1) ES2178226T3 (zh)
GB (2) GB9713079D0 (zh)
PL (1) PL337611A1 (zh)
RU (1) RU2199554C2 (zh)
SK (1) SK285414B6 (zh)
WO (1) WO1998058986A1 (zh)
ZA (1) ZA985230B (zh)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9713079D0 (en) 1997-06-21 1997-08-27 T & N Technology Ltd Manufacture of plain bearings
US6264369B1 (en) * 1999-01-29 2001-07-24 General Electric Company Variable vane seal and washer materials
DE10126460A1 (de) * 2001-05-31 2003-02-06 Ks Gleitlager Gmbh Gleitlagerverbundwerkstoff mit einer metallischen Stützschicht
FR2825764B1 (fr) * 2001-06-07 2003-09-19 Hispano Suiza Sa Palier lisse muni d'un revetement de frottement et procede de realisation
US7015159B2 (en) * 2001-07-24 2006-03-21 E. I. Du Pont De Nemours And Company Nonwoven material for low friction bearing surfaces
US7264398B2 (en) * 2001-08-24 2007-09-04 The Boeing Company Truck pivot joint bearing and method of lubricating
US7149393B2 (en) * 2002-12-09 2006-12-12 Eastman Kodak Company Apparatus and method for forming a fiber optic faceplate
US7147378B2 (en) * 2004-02-19 2006-12-12 Gore Enterprise Holdings, Inc. Low friction, abrasion-resistant bearing materials
US7531113B2 (en) * 2004-05-28 2009-05-12 E.I. Du Pont De Nemours And Company Abrasion resistant fluoropolymer compositions containing micropulp
EP1799755A1 (en) * 2004-10-04 2007-06-27 Solvay Advanced Polymers, L.L.C. Overmolded plastic articles, uses thereof, method of making
US20090297859A1 (en) * 2005-04-01 2009-12-03 Takeyoshi Ohkawa Sliding Member Forming Composition, Sliding Member, and Fluid Machinery
JP2006283706A (ja) * 2005-04-01 2006-10-19 Daikin Ind Ltd 摺動部材用組成物、摺動部材及び流体機械
KR100580598B1 (ko) * 2005-11-02 2006-05-16 동양프론테크(주) 수지 조성물 및 그를 이용한 공업용 제품의 제조방법
US7650981B2 (en) * 2005-12-28 2010-01-26 Otis Elevator Company Passenger conveyor handrail sliding layer treatment
US20070164151A1 (en) * 2006-01-13 2007-07-19 Luce William E Aircraft shock strut and improved bearings therefor
GB0702795D0 (en) * 2007-02-13 2007-03-28 Whitford Plastics Ltd Process for modifying cellulose
US8931957B2 (en) * 2007-08-24 2015-01-13 Ggb, Inc. Metal-backed plain bearing
EP2215363B1 (en) * 2007-10-24 2017-06-28 Emerson Climate Technologies, Inc. Scroll compressor for carbon dioxide refrigerant
CN101747570B (zh) * 2008-12-18 2013-12-18 株式会社阪上制作所 滑动部件及密封装置
WO2010075576A2 (en) * 2008-12-24 2010-07-01 Saint-Gobain Performance Plastics Corporation Polymer material and seals formed thereof for high pressure pump applications
JP5407994B2 (ja) * 2009-08-11 2014-02-05 栗田工業株式会社 水処理方法及び水処理凝集剤
CN107035768B (zh) 2009-12-18 2021-05-04 圣戈班性能塑料帕姆普斯有限公司 用于具有功能层的公差环的系统、方法和装置
PL2513504T3 (pl) * 2009-12-18 2017-01-31 Saint-Gobain Performance Plastics Pampus Gmbh Zespół z łożyskami lub pierścieniami osadczymi z warstwami funkcyjnymi
US9599158B2 (en) 2010-01-19 2017-03-21 Saint-Gobain Performance Plastics Pampus Gmbh Maintenance-free bearing with tolerance compensation properties against wear and misalignment
CN103118869B (zh) * 2010-09-28 2015-08-05 美国圣戈班性能塑料公司 用于轴衬的流延氟聚合物膜
US20120251020A1 (en) * 2011-04-04 2012-10-04 Swei Gwo S Self-Lubricating Structure and Method of Manufacturing the Same
US20120251021A1 (en) * 2011-04-04 2012-10-04 Swei Gwo S Self-lubricating structure and method of manufacturing same
US9187682B2 (en) 2011-06-24 2015-11-17 Emerson Climate Technologies, Inc. Refrigeration compressor lubricant
CN102391645B (zh) * 2011-09-28 2013-03-06 洛阳轴研科技股份有限公司 轴承保持架用热塑性聚酰亚胺基复合材料的制备方法
CN102441933B (zh) * 2011-09-29 2013-08-28 洛阳轴研科技股份有限公司 由炭/炭复合材料并经润滑改性后制作轴承保持架的方法
CN103182808A (zh) 2011-12-28 2013-07-03 圣戈班高功能塑料集团 一种包括含氟聚合物表面层以及非氟聚合物过渡层的多层复合物
FR2985215B1 (fr) 2011-12-28 2014-09-19 Saint Gobain Performance Plast Revetements polymeres deposes sur des substrats par des techniques de projection thermique
JP5913976B2 (ja) * 2011-12-28 2016-05-11 三井・デュポンフロロケミカル株式会社 フッ素樹脂組成物及び摺動部材
CN103998652A (zh) * 2011-12-28 2014-08-20 美国圣戈班性能塑料公司 包括含氟聚合物表面与非氟化聚合物过渡层的多层复合材料
RU2493241C1 (ru) * 2012-03-30 2013-09-20 Федеральное государственное унитарное предприятие "Особое конструкторско-технологическое бюро "ОРИОН" Композиция антифрикционного твердого смазочного покрытия
RU2586217C1 (ru) * 2012-04-26 2016-06-10 Минебеа Ко., Лтд. Отверждаемая ультрафиолетовым излучением полимерная композиция, скользящее сопряжение, и способ изготовления скользящего сопряжения
CN102643529B (zh) * 2012-04-27 2013-10-16 中国科学院长春应用化学研究所 轴承用高分子复合材料及其制备方法
US20140010484A1 (en) 2012-06-29 2014-01-09 Olaf Schmitjes Slide bearing comprising a primer system as adhesion promoter
JP5992236B2 (ja) * 2012-07-12 2016-09-14 Ntn株式会社 工作機械用樹脂摺動材
US9803690B2 (en) 2012-09-28 2017-10-31 Saint-Gobain Performance Plastics Pampus Gmbh Maintenance-free slide bearing with a combined adhesive sliding layer
KR20140142471A (ko) * 2013-06-04 2014-12-12 삼성디스플레이 주식회사 표시 패널 및 그 제조 방법
CN105722674B (zh) * 2013-09-30 2018-08-07 圣戈班性能塑料帕姆普斯有限公司 具有含氟聚合物布的层压体
DE112014005493T5 (de) * 2013-12-31 2016-08-18 Saint-Gobain Performance Plastics Corporation Verbundwerkstofflager, umfassend eine Polyimidmatrix
RU2596820C1 (ru) * 2015-04-22 2016-09-10 Федеральное государственное бюджетное учреждение науки Институт элементоорганических соединений им. А.Н. Несмеянова Российской академии наук (ИНЭОС РАН) Смазочная композиция
JP6708109B2 (ja) * 2016-12-08 2020-06-10 王子ホールディングス株式会社 繊維強化熱可塑性樹脂シートとその製造方法、金属張積層シート、および複合体
IT201700055002A1 (it) * 2017-05-22 2018-11-22 Campagnolo Srl Ingranaggio per bicicletta e metodo per la fabbricazione di tale ingranaggio
DE102017218592A1 (de) * 2017-10-18 2019-04-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur Herstellung eines Gleitlagers sowie ein mit dem Verfahren hergestelltes Gleitlager
EP4055291A4 (en) * 2019-11-08 2023-11-22 Saint-Gobain Performance Plastics Corporation SPLIT BEARING, ASSEMBLY, AND METHOD FOR MANUFACTURING AND USING SAID BEARING

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1002140B (it) * 1973-11-30 1976-05-20 Pirelli Segnalatore di degonfiamento per pneumatici
JPH0624356B2 (ja) 1989-12-21 1994-03-30 株式会社東芝 データ転送方式
US5300366A (en) * 1990-05-09 1994-04-05 Oiles Corporation Fluororesin composition for a sliding member and a sliding member
JPH05117476A (ja) * 1991-10-24 1993-05-14 Sumitomo Chem Co Ltd 摺動材用樹脂組成物
GB2279998B (en) 1993-07-14 1997-04-09 T & N Technology Ltd Plain bearing
JP3467328B2 (ja) * 1994-08-23 2003-11-17 オイレス工業株式会社 摺動部材
ATE199385T1 (de) * 1995-08-03 2001-03-15 Akzo Nobel Nv Fluoroharzfolie, verfahren zu ihrer herstellung und ihre verwendung
GB9713079D0 (en) 1997-06-21 1997-08-27 T & N Technology Ltd Manufacture of plain bearings

Also Published As

Publication number Publication date
GB2341426B (en) 2001-01-03
CN1261386A (zh) 2000-07-26
US20010031596A1 (en) 2001-10-18
BR9810261A (pt) 2000-09-19
PL337611A1 (en) 2000-08-28
GB9713079D0 (en) 1997-08-27
US6425977B2 (en) 2002-07-30
US6485608B1 (en) 2002-11-26
EP0991700A1 (en) 2000-04-12
CZ9904591A3 (cs) 2001-01-17
JP2002510347A (ja) 2002-04-02
SK285414B6 (sk) 2007-01-04
GB9929426D0 (en) 2000-02-09
ES2178226T3 (es) 2002-12-16
KR20010014028A (ko) 2001-02-26
AU737827B2 (en) 2001-08-30
RU2199554C2 (ru) 2003-02-27
SK167299A3 (en) 2000-07-11
ATE214720T1 (de) 2002-04-15
WO1998058986A1 (en) 1998-12-30
CZ297250B6 (cs) 2006-10-11
DK0991700T3 (da) 2002-07-15
DE69804307T2 (de) 2002-11-07
EP0991700B1 (en) 2002-03-20
CN1104457C (zh) 2003-04-02
AU7926898A (en) 1999-01-04
GB2341426A (en) 2000-03-15
DE69804307D1 (de) 2002-04-25

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