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:
Aug. 10, 1999
Filed:
Dec. 29, 1994
Applicant:
Inventors:
Assignee:
Fujitsu Limited, Kanagawa, JP;
Primary Examiner:
Int. Cl.
CPC ...
B65H / ;
U.S. Cl.
CPC ...
271109 ; 271314 ; 492 59 ; 198780 ;
Abstract
Rubber rollers for carrying media, comprising a blend of urethane rubber and silicone rubber, and an apparatus equipped therewith. A rubber roller abrasion evaluating tester provided with means for carrying a medium to be carried while in contact with rubber rollers to be evaluated, and means for forcefully causing slippage of the carried medium by a prescribed distance on the rollers. A method of selecting a medium to be carried which has a prescribed abrasive strength, by abrading a carried medium under a constant weight using an abrading material and calculating the rate of the abrasion of the carried medium.