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:
Jun. 02, 1992
Filed:
May. 31, 1991
Applicant:
Inventors:
Fumitoshi Ikejiri, Kuga, JP;
Noboru Umemto, Inabe, JP;
Assignee:
Mitsui Petrochemical Industries, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C / ;
U.S. Cl.
CPC ...
384527 ; 384576 ; 384908 ; 384911 ;
Abstract
Rolling bearing cages disclosed herein are prepared from compositions comprising an aromatic polyamide which comprises terephthalic acid constituent units, aromatic dicarboxylic acid constituent units other than terephthalic acid constituent units and straight-chain aliphatic alkylenediamine constituent units, and glass fibers, and can be easily incorporated into bearing races without damage, resultant bearings capable of being operated over a long period of time without deformation of said cages and deterioration of the lubricant oil.