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, 1987
Filed:
Mar. 06, 1986
Applicant:
Inventors:
Shigeru Iwasawa, Kamakura, JP;
Takumi Ishiwaka, Yokohama, JP;
Assignee:
Bridgestone Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D02G / ;
U.S. Cl.
CPC ...
428379 ; 428 36 ; 428 65 ; 428 71 ; 4283186 ; 4283188 ; 4283191 ; 428357 ; 428375 ; 428383 ; 4284258 ;
Abstract
A roll for use in business machines has a shaft and a roll main body disposed at the circumference of said shaft, wherein the roll main body is made of a polyurethane resin comprising a surface layer composed of a skin layer and an inner layer composed of a foam layer which are formed into an integrated structure. The roll is suitably used for removing residual toners on the photo-sensitive drum in dry process copying machines.