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:
Jul. 23, 1985
Filed:
Sep. 14, 1982
Applicant:
Inventors:
Assignees:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21B / ;
U.S. Cl.
CPC ...
29110 ; 29132 ;
Abstract
An offset preventive diffusion roller subsidiary to a fixing roller for electronic copying machines has an oil absorbing layer composed of two kinds of layers. One of the layers is of plural oil diffusing layers for diffusing oil in the axial direction of the roller core. The other layer is of plural oil retaining layers composed of a soft and porous material for retaining oil therein.