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. 20, 1994
Filed:
Mar. 11, 1993
Applicant:
Inventors:
Robert W Ratte, North Oaks, MN (US);
Ronald Cain, White Bear Lake, MN (US);
Norman E Peterson, Wyoming, MN (US);
Assignee:
Water Gremlin Company, White Bear Lake, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21J / ;
U.S. Cl.
CPC ...
723548 ;
Abstract
A cold-forming method of making a finished battery terminal with a necked down flange by first expanding the metal radially outward until the battery terminal die cavity is partially filled with metal and then upsetting the metal to complete the deformation filling of the battery, terminal die cavity and to simultaneously form a necked down region in the flange on the battery terminal.