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:
Nov. 18, 1997
Filed:
May. 10, 1995
William T Saunders, Weirton, WV (US);
Weirton Steel Corporation, Weirton, WV (US);
Abstract
Apparatus for use in chime seam joinder of a sheet metal convenience-feature end closure (133) to a sheet metal can body (153) having a non-cylindrical sidewall. Countersunk panel (112) with unitary chuck wall (100) interfit within an open end of the can body. A peripheral scoreline (102) in the countersunk panel, which contiguous to the chuck wall, defines the separable endwall panel. After that separation, substantially no obstruction to removal of solid-pack contents, as a single piece, remains. Seaming chuck tooling (172) provides continuous backing support peripherally along the inner surface of the chuck wall during chime seam joinder. Cutaway shaping (180) of seaming chuck portions 176, 177 eliminates registry concerns as to whether a single longitudinally-rigid integral opener (148), with its working edge (136) contiguous to the panel peripheral scoreline and the chuck wall, is located at either distal end of a centrally located axis (174) of the end closure.