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:
Feb. 06, 2001
Filed:
Mar. 28, 1997
Applicant:
Inventors:
Assignee:
Idemitsu Petrochemical Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23Q 3/14 ; B26D 3/00 ;
U.S. Cl.
CPC ...
B23Q 3/14 ; B26D 3/00 ;
Abstract
A method for producing a seamless metallic belt without a welded line and capable of being easily produced in high accuracy. A seamless belt material,having a defined length as a whole is placed on a core,and is held in a stretching state on the core,thermally expanded by heating, and further, in the above state, an outer circumference of the belt material,is cut to a predetermined thickness. The seamless metallic belt,is obtained by removing after the core,is cooled.