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:
Nov. 17, 1998
Filed:
Apr. 21, 1997
Applicant:
Inventors:
Assignee:
NTN Corporation, Osaka, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G / ; C08K / ;
U.S. Cl.
CPC ...
524497 ; 524413 ; 524227 ; 524230 ; 525432 ; 525436 ; 528353 ; 528350 ; 528229 ; 428323 ; 428327 ;
Abstract
Stripping fingers for use in a copying machine formed from a resin composition comprising 50-90% by weight of a thermoplastic polyimide resin, and 10-50% by weight of titanium oxide whiskers or zinc oxide whiskers. They may be formed from a resin composition comprising 50-80% by weight of a thermoplastic polyimide resin, 10-40% by weight of titanium oxide whiskers or zinc oxide whiskers, and 2-15% by weight of aromatic polyamide resin powder. They are injection-molded from a matrix of a polyimide resin and the fingers have excellent heat resistance, wear resistance end fatigue resistance,