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:
Mar. 19, 1991
Filed:
Feb. 22, 1989
Applicant:
Inventors:
Masatoshi Nakamura, Osaka, JP;
Tsuguo Wada, Osaka, JP;
Assignee:
Kurimoto Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D / ;
U.S. Cl.
CPC ...
72 12 ; 72-9 ; 72405 ; 72446 ;
Abstract
In an automatic press for continuously carrying out a plurality of processes simultaneously, while reducing press load to be applied is necessary to avoid the problem of defective products or damage to dies due to overload in automatic load control device for use in an automatic press of the noted type is proposed, in which the presence of material to be press-worked in each die is detected to appropriately establish an optimum press load value.