DE3520068A1 - Zusammensetzung fuer gleitende teile - Google Patents

Zusammensetzung fuer gleitende teile

Info

Publication number
DE3520068A1
DE3520068A1 DE19853520068 DE3520068A DE3520068A1 DE 3520068 A1 DE3520068 A1 DE 3520068A1 DE 19853520068 DE19853520068 DE 19853520068 DE 3520068 A DE3520068 A DE 3520068A DE 3520068 A1 DE3520068 A1 DE 3520068A1
Authority
DE
Germany
Prior art keywords
metal oxide
group
compound
volume
tio
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
DE19853520068
Other languages
German (de)
English (en)
Other versions
DE3520068C2 (de
Inventor
Sanae Nagoya Mori
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.)
Daido Metal Co Ltd
Original Assignee
Daido Metal Co 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 Daido Metal Co Ltd filed Critical Daido Metal Co Ltd
Publication of DE3520068A1 publication Critical patent/DE3520068A1/de
Application granted granted Critical
Publication of DE3520068C2 publication Critical patent/DE3520068C2/de
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/20—Sliding surface consisting mainly of plastics
    • F16C33/201—Composition of the plastic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D17/04—Handles; Handle mountings
    • B25D17/046—Sleeve-like handles surrounding the tool bit
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/08—Metals
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lubricants (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Sliding-Contact Bearings (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Laminated Bodies (AREA)
DE3520068A 1984-06-05 1985-06-04 Zusammensetzung für gleitende Teile Expired DE3520068C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59113949A JPS60258297A (ja) 1984-06-05 1984-06-05 耐摩耗性にすぐれた摺動材料

Publications (2)

Publication Number Publication Date
DE3520068A1 true DE3520068A1 (de) 1985-12-05
DE3520068C2 DE3520068C2 (de) 1990-07-12

Family

ID=14625242

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3520068A Expired DE3520068C2 (de) 1984-06-05 1985-06-04 Zusammensetzung für gleitende Teile

Country Status (4)

Country Link
US (1) US4626365A (US20100268047A1-20101021-C00003.png)
JP (1) JPS60258297A (US20100268047A1-20101021-C00003.png)
DE (1) DE3520068C2 (US20100268047A1-20101021-C00003.png)
GB (1) GB2161820B (US20100268047A1-20101021-C00003.png)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3728273A1 (de) * 1986-10-29 1988-05-26 Nippon Dia Clevite Co Lagermaterial mit mehreren schichten und verfahren zu dessen herstellung
EP0340839A2 (de) * 1988-05-05 1989-11-08 KOLBENSCHMIDT Aktiengesellschaft Werkstoff für Verbundlager und Verfahren zu seiner Herstellung
EP0340838A2 (de) * 1988-05-05 1989-11-08 KOLBENSCHMIDT Aktiengesellschaft Werkstoff für Verbundlager und Verfahren zu seiner Herstellung
EP0395130A2 (de) * 1989-04-27 1990-10-31 KOLBENSCHMIDT Aktiengesellschaft Werkstoff für Mehrschicht-Gleitlager
DE4142287A1 (de) * 1991-12-20 1993-06-24 Glyco Metall Werke Trockengleitlager
EP0590488A1 (en) * 1992-09-25 1994-04-06 Oiles Corporation Multilayered sliding member
EP0622556A1 (en) * 1992-08-20 1994-11-02 Beaver Precision Products Inc. Close fitting low friction assembly of a metal member and a polymer composite member
DE4340017A1 (de) * 1993-11-24 1995-06-01 Textar Gmbh Reibbelagmischung für Brems- und Kupplungsbeläge
FR2726875A1 (fr) * 1994-11-15 1996-05-15 Sintermetal Sa Ensemble a piston et palier de tige pour amortisseurs hydrauliques
WO1996026975A1 (de) * 1995-02-25 1996-09-06 Glyco-Metall-Werke Glyco B.V. & Co. Kg Selbstschmierendes lagermaterial und gleitlager mit einem solchen lagermaterial
WO1997003299A1 (de) * 1995-07-08 1997-01-30 Glyco-Metall-Werke Glyco B.V. & Co. Kg Gleitlagerwerkstoff und dessen verwendung
CN1055433C (zh) * 1995-08-10 2000-08-16 山东工业大学 焊接陶瓷复合导卫板
DE102004039381A1 (de) * 2004-08-13 2006-02-23 Holmenkol Sport-Technologies Gmbh & Co. Kg Gleitmittel für Sportgeräte
WO2019052903A1 (de) * 2017-09-12 2019-03-21 Federal-Mogul Wiesbaden Gmbh Gleitlack, gleitelement mit einem solchen und dessen verwendung

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3534133A1 (de) * 1985-09-25 1987-04-02 Kolbenschmidt Ag Wartungsarmer gleitlagerwerkstoff
JPS6291560A (ja) * 1985-10-18 1987-04-27 Asahi Glass Co Ltd 潤滑性樹脂組成物
US4847135A (en) * 1986-01-21 1989-07-11 Kolbenschmidt Aktiengesellschaft Composite material for sliding surface bearings
US4835819A (en) * 1986-09-15 1989-06-06 Nylok Fastener Corporation Coated fasteners and process for making the same
US5221170B1 (en) * 1986-09-15 1995-08-01 Nylok Fastener Corp Coated threaded fasteners
JPS6376908A (ja) * 1986-09-18 1988-04-07 Yobea Rulon Kogyo Kk ころがり軸受
US4888122A (en) * 1986-11-24 1989-12-19 Mccready David F Engine oil additive dry lubricant powder
US4915856A (en) * 1987-07-10 1990-04-10 Durafilm Corporation Solid lubricant composition
GB2219305A (en) * 1988-05-31 1989-12-06 Ipari Fejlesztesi Bank Rt Oil-based lubricant for lubricating and/or sliding surfaces containing aluminium oxide powder
JPH07119402B2 (ja) * 1989-10-02 1995-12-20 アイシン・エイ・ダブリュ株式会社 自動車用自動変速機にオイルシールリング
JPH0735514B2 (ja) * 1990-02-27 1995-04-19 大同メタル工業株式会社 摺動部材およびその製造方法
EP0539585A4 (en) * 1991-04-22 1993-09-01 Takata Corporation Surface-coated member
GB2262784B (en) * 1991-12-24 1995-05-10 T & N Technology Ltd Bearing material
JPH0823033B2 (ja) * 1992-01-17 1996-03-06 大同メタル工業株式会社 複合摺動部材
EP0581185B1 (en) * 1992-07-30 1998-03-25 Oiles Corporation Multilayered sliding member
US5895603A (en) * 1992-09-21 1999-04-20 Mccready; David F. Engine oil additive
JP3213193B2 (ja) * 1995-02-01 2001-10-02 大同メタル工業株式会社 摺動用組成物及ぴその摺動部材
US5565417A (en) * 1995-06-26 1996-10-15 Salvia; Vincent F. Hybrid series transition metal polymer composite sets
DE19614105B4 (de) * 1996-04-10 2005-08-25 Federal-Mogul Wiesbaden Gmbh & Co. Kg Gleitschichtmaterial für Verbundlager, Schichtverbundwerkstoff und Stoßdämpferstangenführungselement
WO1998051495A1 (fr) * 1997-05-16 1998-11-19 Daikin Industries, Ltd. Materiau composite aux proprietes coulissantes
JPH1129359A (ja) * 1997-07-08 1999-02-02 Toyo Tanso Kk 炭素質複合材料及びそれを用いた摺動部材
EP0933566A1 (de) * 1998-02-02 1999-08-04 Maschinenfabrik Sulzer-Burckhardt AG Dichtungselemente für trockenlaufende Kolbenkompressoren
GB9804774D0 (en) 1998-03-07 1998-04-29 Glacier Metal Co Ltd Plain bearing
GB9817249D0 (en) * 1998-08-07 1998-10-07 Glacier Vandervell Ltd Bearing material
US6156392A (en) * 1999-07-13 2000-12-05 Nylok Fastener Corporation Process for triboelectric application of a fluoropolymer coating to a threaded fastener
JP2001132756A (ja) * 1999-11-08 2001-05-18 Ndc Co Ltd 樹脂被覆摺動材およびその製造方法
AU4708001A (en) * 1999-11-15 2001-06-25 Robert T. Gunn Compositions with low coefficients of friction and methods for their preparation
JP4359066B2 (ja) * 2003-04-14 2009-11-04 株式会社豊田自動織機 摺動部用塗料組成物
JP4025832B2 (ja) * 2003-04-14 2007-12-26 株式会社豊田自動織機 圧縮機
US20050191474A1 (en) * 2003-10-09 2005-09-01 Gunn Robert T. Compositions with low coefficients of friction and methods for their preparation
CN100350441C (zh) * 2004-01-17 2007-11-21 深圳创维－Rgb电子有限公司 一种智能消除残影的方法
US20070054052A1 (en) * 2005-06-01 2007-03-08 Gregory Alaimo Fluoropolymer coating compositions for threaded fasteners
US20120114971A1 (en) * 2007-01-05 2012-05-10 Gerd Andler Wear resistant lead free alloy sliding element method of making
AT506181B1 (de) * 2007-12-11 2012-07-15 Miba Gleitlager Gmbh Lagerelement
RU2452745C1 (ru) * 2010-10-02 2012-06-10 Государственное научное учреждение "Институт механики металлополимерных систем имени В.А. Белого Национальной академии наук Беларуси" Антифрикционная композиция
RU2473673C1 (ru) * 2011-12-16 2013-01-27 Глеб Александрович Обуховский Пластичная смазка
RU2552989C1 (ru) * 2014-03-24 2015-06-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Ивановский государственный химико-технологический университет" Пластичная смазка
WO2016114244A1 (ja) * 2015-01-17 2016-07-21 イーグル工業株式会社 水潤滑式軸受材料
TWM526014U (zh) * 2016-02-19 2016-07-21 Xiu-Sheng Yang 兩輪車輛立管避震潤滑結構
CN109825054B (zh) * 2018-12-30 2021-05-11 上海金山锦湖日丽塑料有限公司 具有耐刮擦性能的pc/abs合金及其制备方法
EP4052904A4 (en) * 2019-10-29 2022-12-21 Teijin Limited CONDUCTIVE LAYER FOR ANTENNAS AND AERIALS
CN112175692B (zh) * 2020-09-22 2022-07-15 中国石油化工股份有限公司 一种润滑脂组合物及其制备方法和应用

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2995462A (en) * 1956-03-07 1961-08-08 Glacier Co Ltd Bearing material
DE1950733A1 (de) * 1968-12-26 1970-07-02 Liquid Nitrogen Proc Corp Frei fliessende Tetrafluoraethylen-Polymerisatzusammensetzung und Verfahren zu ihrer Herstellung
US3864124A (en) * 1969-04-23 1975-02-04 Composite Sciences Process for producing sintered articles from flexible preforms containing polytetrafluoroethylene and at least about 85 volume percent of sinterable particulate material
WO1980000929A1 (en) * 1978-10-31 1980-05-15 Du Pont Coating containing copolymers of perfluorinated polyvinyl ether
US4208472A (en) * 1977-09-19 1980-06-17 Oiles Industry Co., Ltd. Composite bearing material and method of making the same
US4312772A (en) * 1977-12-14 1982-01-26 Daido Metal Company Ltd. Bearing material
US4439484A (en) * 1981-08-12 1984-03-27 Daido Metal Company Ltd. Multi-layer bearing with coating of tetrafluoroethylene-perfluoroalkylvinyl either copolymer resin and polytetrafluoroethylene resin

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2824060A (en) * 1954-10-15 1958-02-18 Hobart S White Bearing compositions containing polytetrafluoroethylene and polytrifluorochloroethylene
US3376183A (en) * 1964-05-05 1968-04-02 Federal Mogul Corp Method of making a composite bearing material
US3838048A (en) * 1968-06-17 1974-09-24 Diamond Shamrock Corp Polyvinylfluoride bearings
US3531432A (en) * 1968-10-01 1970-09-29 Pennwalt Corp Fluorocarbon polymer composition having self-lubricating characteristics
FR2239501B1 (US20100268047A1-20101021-C00003.png) * 1973-07-10 1976-06-18 Solvay
US4000982A (en) * 1975-04-10 1977-01-04 Taiho Kogyo Co., Ltd. Bearing material
US4277389A (en) * 1979-11-05 1981-07-07 The Polymer Corporation X ray scattering device
DE3027409A1 (de) * 1980-07-19 1982-02-25 Karl Schmidt Gmbh, 7107 Neckarsulm Verbundgleitlagerwerkstoff
JPS57190549A (en) * 1981-05-19 1982-11-24 Olympus Optical Co Ultrasonic diagnostic apparatus

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2995462A (en) * 1956-03-07 1961-08-08 Glacier Co Ltd Bearing material
DE1950733A1 (de) * 1968-12-26 1970-07-02 Liquid Nitrogen Proc Corp Frei fliessende Tetrafluoraethylen-Polymerisatzusammensetzung und Verfahren zu ihrer Herstellung
US3864124A (en) * 1969-04-23 1975-02-04 Composite Sciences Process for producing sintered articles from flexible preforms containing polytetrafluoroethylene and at least about 85 volume percent of sinterable particulate material
US4208472A (en) * 1977-09-19 1980-06-17 Oiles Industry Co., Ltd. Composite bearing material and method of making the same
US4312772A (en) * 1977-12-14 1982-01-26 Daido Metal Company Ltd. Bearing material
WO1980000929A1 (en) * 1978-10-31 1980-05-15 Du Pont Coating containing copolymers of perfluorinated polyvinyl ether
US4439484A (en) * 1981-08-12 1984-03-27 Daido Metal Company Ltd. Multi-layer bearing with coating of tetrafluoroethylene-perfluoroalkylvinyl either copolymer resin and polytetrafluoroethylene resin

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
IUPAC Regeln für die Nomenklatur der Anor- ganischen Chemie 1970, 6.5. *
RÖMPP: Chemie-Lexikon, 6. Aufl., 1966, Sp. 3297 *

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3728273A1 (de) * 1986-10-29 1988-05-26 Nippon Dia Clevite Co Lagermaterial mit mehreren schichten und verfahren zu dessen herstellung
EP0340839A2 (de) * 1988-05-05 1989-11-08 KOLBENSCHMIDT Aktiengesellschaft Werkstoff für Verbundlager und Verfahren zu seiner Herstellung
EP0340838A2 (de) * 1988-05-05 1989-11-08 KOLBENSCHMIDT Aktiengesellschaft Werkstoff für Verbundlager und Verfahren zu seiner Herstellung
EP0340838A3 (de) * 1988-05-05 1991-05-02 KOLBENSCHMIDT Aktiengesellschaft Werkstoff für Verbundlager und Verfahren zu seiner Herstellung
EP0340839A3 (de) * 1988-05-05 1991-05-02 KOLBENSCHMIDT Aktiengesellschaft Werkstoff für Verbundlager und Verfahren zu seiner Herstellung
EP0395130A2 (de) * 1989-04-27 1990-10-31 KOLBENSCHMIDT Aktiengesellschaft Werkstoff für Mehrschicht-Gleitlager
EP0395130A3 (de) * 1989-04-27 1992-04-01 KOLBENSCHMIDT Aktiengesellschaft Werkstoff für Mehrschicht-Gleitlager
DE4142287A1 (de) * 1991-12-20 1993-06-24 Glyco Metall Werke Trockengleitlager
EP0622556A1 (en) * 1992-08-20 1994-11-02 Beaver Precision Products Inc. Close fitting low friction assembly of a metal member and a polymer composite member
US5433870A (en) * 1992-09-25 1995-07-18 Oiles Corporation Multilayered sliding member
EP0590488A1 (en) * 1992-09-25 1994-04-06 Oiles Corporation Multilayered sliding member
DE4340017A1 (de) * 1993-11-24 1995-06-01 Textar Gmbh Reibbelagmischung für Brems- und Kupplungsbeläge
FR2726875A1 (fr) * 1994-11-15 1996-05-15 Sintermetal Sa Ensemble a piston et palier de tige pour amortisseurs hydrauliques
EP0713028A1 (en) * 1994-11-15 1996-05-22 Sintermetal, S.A. Piston and piston-rod guide unit for hydraulic shock absorbers
WO1996026975A1 (de) * 1995-02-25 1996-09-06 Glyco-Metall-Werke Glyco B.V. & Co. Kg Selbstschmierendes lagermaterial und gleitlager mit einem solchen lagermaterial
US6068931A (en) * 1995-02-25 2000-05-30 Federal-Mogul Wiesbaden Gmbh Self-lubricating bearing material and plain bearing of such a bearing material
WO1997003299A1 (de) * 1995-07-08 1997-01-30 Glyco-Metall-Werke Glyco B.V. & Co. Kg Gleitlagerwerkstoff und dessen verwendung
CN1055433C (zh) * 1995-08-10 2000-08-16 山东工业大学 焊接陶瓷复合导卫板
DE102004039381A1 (de) * 2004-08-13 2006-02-23 Holmenkol Sport-Technologies Gmbh & Co. Kg Gleitmittel für Sportgeräte
US7655606B2 (en) 2004-08-13 2010-02-02 Holmenkol Ag Lubricants for sports equipment
WO2019052903A1 (de) * 2017-09-12 2019-03-21 Federal-Mogul Wiesbaden Gmbh Gleitlack, gleitelement mit einem solchen und dessen verwendung
US11466732B2 (en) 2017-09-12 2022-10-11 Federal-Mogul Wiesbaden Gmbh Anti-friction lacquer and sliding element having such an anti-friction lacquer

Also Published As

Publication number Publication date
JPS60258297A (ja) 1985-12-20
DE3520068C2 (de) 1990-07-12
JPS6233275B2 (US20100268047A1-20101021-C00003.png) 1987-07-20
GB2161820B (en) 1987-11-04
GB8514234D0 (en) 1985-07-10
US4626365A (en) 1986-12-02
GB2161820A (en) 1986-01-22

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8339 Ceased/non-payment of the annual fee