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:
May. 22, 1984
Filed:
Aug. 16, 1982
Applicant:
Inventor:
John F Francis, Horsell Woking, GB;
Assignee:
The Gillette Company, Boston, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21K / ; B23P / ; B21J / ;
U.S. Cl.
CPC ...
7610 / ; 29432 ; 29509 ; 2952 / ; 72379 ; 76DI / ;
Abstract
Method of attaching a stainless steel blade member to a support member of cold deformable material, wherein the imperforate blade member (5) is located in a die cavity adjacent a die surface having a through hole (10), the support member (6) is located in the cavity over the blade member (5), and is impacted to effect piercing of the blade member. The slug (7) of blade material displaced into the through hole remains attached by a radial tab (8) to the remainder of the blade, and then the slug is impacted to form a rivet head from the support material which has pierced the blade.