LUBRICANT COMPOSITION FOR BALL JOINTS
The invention provides a grease composition for a ball joint which has a low friction coefficient under a load from normal temperatures to high temperatures, a small difference between static friction and dynamic friction, and little change in the friction coefficient even after repeated operation....
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Main Authors | , , |
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Format | Patent |
Language | English French |
Published |
02.07.2020
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Subjects | |
Online Access | Get full text |
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Abstract | The invention provides a grease composition for a ball joint which has a low friction coefficient under a load from normal temperatures to high temperatures, a small difference between static friction and dynamic friction, and little change in the friction coefficient even after repeated operation. TO this end, the invention provides a grease composition for a ball joint comprising: (i) a polyisoprene rubber and/or (ii) a polyisoprene rubber viscous material; a specific aliphatic amide and/or a specific aliphatic bisamide; and a specific urea compound.
L'invention concerne une composition de graisse pour un joint à rotule présentant un faible coefficient de frottement sous une charge de températures normales à des températures élevées, une faible différence entre un frottement statique et un frottement dynamique et peu de changement du coefficient de frottement même après un fonctionnement répété. A cet effet, l'invention concerne une composition de graisse pour un joint à rotule comprenant : (i) un caoutchouc polyisoprène et/ou (ii) un matériau visqueux de caoutchouc polyisoprène ; un amide aliphatique spécifique et/ou un bisamide aliphatique spécifique ; et un composé urée spécifique. |
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AbstractList | The invention provides a grease composition for a ball joint which has a low friction coefficient under a load from normal temperatures to high temperatures, a small difference between static friction and dynamic friction, and little change in the friction coefficient even after repeated operation. TO this end, the invention provides a grease composition for a ball joint comprising: (i) a polyisoprene rubber and/or (ii) a polyisoprene rubber viscous material; a specific aliphatic amide and/or a specific aliphatic bisamide; and a specific urea compound.
L'invention concerne une composition de graisse pour un joint à rotule présentant un faible coefficient de frottement sous une charge de températures normales à des températures élevées, une faible différence entre un frottement statique et un frottement dynamique et peu de changement du coefficient de frottement même après un fonctionnement répété. A cet effet, l'invention concerne une composition de graisse pour un joint à rotule comprenant : (i) un caoutchouc polyisoprène et/ou (ii) un matériau visqueux de caoutchouc polyisoprène ; un amide aliphatique spécifique et/ou un bisamide aliphatique spécifique ; et un composé urée spécifique. |
Author | ABE, Kunitoshi FUJIMAKI, Yoshitomo YANO, Hiroki |
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DocumentTitleAlternate | COMPOSITION LUBRIFIANTE POUR JOINTS À ROTULE |
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RelatedCompanies | SHELL OIL COMPANY SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V |
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Snippet | The invention provides a grease composition for a ball joint which has a low friction coefficient under a load from normal temperatures to high temperatures, a... |
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SubjectTerms | CHEMISTRY FUELS LUBRICANTS LUBRICATING COMPOSITIONS METALLURGY PEAT PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MONOXIDE USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION |
Title | LUBRICANT COMPOSITION FOR BALL JOINTS |
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