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:
Aug. 06, 1985
Filed:
Sep. 22, 1983
Applicant:
Inventor:
Helmut Bezold, Erlangen, DE;
Assignee:
Kraftwerk Union Aktiengesellschaft, Mulheim an der Ruhr, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B21D / ;
U.S. Cl.
CPC ...
72342 ; 72347 ; 72350 ; 219149 ;
Abstract
A method for deep-drawing sheet metal in a drawing apparatus having a drawing ring body, a pressure body, and a drawing plunger, which includes pushing a metal sheet having a deep-drawing region against the drawing ring body with the pressure body surrounding the deep-drawing region, pushing the drawing plunger against the deep drawing region, and heating the deep drawing region for deep-drawing, and an apparatus for carrying out the method.