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:
Sep. 29, 1981
Filed:
Sep. 26, 1979
Applicant:
Inventors:
Shinnosuke Taniishi, Kawasaki, JP;
Tsukasa Kuge, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B24B / ; B24B / ;
U.S. Cl.
CPC ...
5128 / ; 51 49 ;
Abstract
The disclosure provides a process for producing a negative-crowned roller having a progressively decreasing diameter from both ends toward the center thereof by means of a one-dimensional mutual displacement between the raw material of the roller and the shaping tool.