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:
Jan. 26, 1999
Filed:
Jun. 16, 1997
Applicant:
Inventor:
Yuji Yamasaki, Kakogawa, JP;
Assignee:
Sumitomo Rubber Industries Ltd., Hyogo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ; F16C / ; B65H / ;
U.S. Cl.
CPC ...
428 365 ; 428220 ; 428457 ; 428462 ; 492 53 ; 492 56 ; 492 59 ; 355200 ;
Abstract
Disclosed is an electric conductive roller comprising a rubber having a volume specific resistance of not more than 10.sup.12 .OMEGA.cm and an electric conductive filler mixed in the rubber, said electric conductive roller satisfying the following formulas (1) and (2):