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. 13, 2018
Filed:
Feb. 22, 2018
Sumitomo Riko Company Limited, Komaki-shi, Aichi, JP;
Ryosuke Yamaoka, Komaki, JP;
Yasunori Nimura, Komaki, JP;
Takahiro Morita, Komaki, JP;
Satoshi Tatsumi, Komaki, JP;
Kousuke Minematsu, Komaki, JP;
Junichiro Suenaga, Komaki, JP;
SUMITOMO RIKO COMPANY LIMITED, Komaki-shi, JP;
Abstract
To provide an elastic roll for an electro-photographic apparatus that includes an elastic body layer having a low hardness and being excellent in fatigue resistance, and thus is resistant to fatigue, and to provide a method for manufacturing the same. An elastic rollfor an electrophotographic apparatus includes a shaft bodyand a foamed elastic body layerprovided on an outer periphery of the shaft bodywherein the foamed elastic body layerconsists of a silicone rubber foamed body including a plurality of air bubblesin its base material containing cross-linked silicone rubber and a reinforcement material, and wherein the foamed elastic body layer has a communication degree of 40% or more. It is preferable that the elastic rollshould further include a skin layerin the foamed elastic body layeron an outer peripheral side.