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:
Sep. 29, 1998
Filed:
Aug. 06, 1997
Applicant:
Inventors:
Peter Leslie Moran, Fairford, GB;
Adrian Kempster, Ramsey, GB;
Assignee:
Carnaudmetalbox (Holdings) USA, Inc., Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D / ;
U.S. Cl.
CPC ...
413 31 ; 279102 ; 72462 ;
Abstract
A chuck, for use in a machine forming a double seam joining a can body to an end wall of a can, has a hollow body portion 36 made of machinable material and an annulus 37 of harder material joined to the body portion to define a lower part of the side wall of the chuck. The annulus of harder material is preferably covered by an impervious continuous layer 38 of hard material such as titanium nitride, chromium carbide, iron boride or chromium boride.