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:
Apr. 03, 1979
Filed:
Sep. 12, 1977
Applicant:
Inventor:
Ryoichi Namiki, Hino, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ;
U.S. Cl.
CPC ...
428375 ; 428357 ; 428376 ; 428380 ; 428383 ; 428390 ; 428391 ;
Abstract
A fixing roller which is constructed by bonding in layers a heat resistant adhesive layer, a heat and oil resistant layer, a heat and oil resistant adhesive layer and an offset preventing layer to a core, wherein the offset preventing layer is formed before the solvent of the heat and oil resistant adhesive layer has been completely evaporated, and at least one component material of the heat and oil resistant adhesive layer is of a kind similar to the component materials of both the heat and oil resistant elastic layer and the offset preventing layer so that the peeling off of the offset preventing layer is obviated.