The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 12, 2002
Filed:
Sep. 28, 2000
Toshikazu Yabe, Kanagawa, JP;
Takahiko Uchiyama, Kanagawa, JP;
NSK Ltd., Tokyo, JP;
Abstract
The present invention provides a lubricant-feeding material which can be used at a temperature as high as from 100° C. to 120° C., exhibits an excellent mechanical strength and stably maintains a lubricating oil having a high polarity such as ester oil and polyphenylether oil, which have excellent lubricating properties or heat resistance, or a grease comprising such a lubricating oil as a base oil in a large amount. The lubricant-feeding material comprises a polyester elastomer comprising a hard component made of a first polyester and a soft component made of a second polyester or polyether solidified containing a lubricating oil compatible with the polyester elastomer or a grease comprising the lubricating oil as a base oil, the lubricating oil oozing from the surface of the polyester elastomer.