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:
Jan. 14, 1992
Filed:
Nov. 09, 1990
Applicant:
Inventors:
Masahito Katoh, Tsukuba, JP;
Kenichi Hibino, Tsukuba, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B28B / ;
U.S. Cl.
CPC ...
264313 ; 100 35 ; 100211 ; 249 82 ; 264316 ; 264319 ; 264320 ; 264325 ; 264-25 ; 425412 ; 425D / ; 425D / ;
Abstract
A method of die forming using an elastically deformable die is characterized by using a die provided in advance with a prescribed pattern of thickness variation, allowing the die to be elastically deformed by the pressure it receives from the material being formed during the forming operation, and forming the material to the configuration resulting from the deformation.