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:
Dec. 06, 2005
Filed:
Aug. 19, 2003
Applicants:
Norihisa Okada, Hikari, JP;
Gen RO, Fujinomiya, JP;
Yohji Suzuki, Shizuoka, JP;
Inventors:
Assignees:
Hitachi, Ltd., Tokyo, JP;
Amino Corporation, Fujinomiya, JP;
Primary Examiner:
Int. Cl.
CPC ...
B21B027/06 ;
U.S. Cl.
CPC ...
Abstract
An incremental forming apparatusholds a workpieceonto a tableA spindle is disposed perpendicularly above tableFor incremental forming, an incremental forming toolis mounted on the spindle, and a form portionis formed on the workpieceWhen incremental forming is completed, the tool on the spindle is replaced with a straightening tooland hot air is blown out from the straightening toolto anneal the edge linesandof the form portionand to eliminate process strain.