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:
Jan. 30, 1979
Filed:
Jun. 07, 1977
Applicant:
Inventor:
Rudolf Luthi, Niederwangen, CH;
Assignee:
Styner & Bienz A.G., Niederwangen, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D / ;
U.S. Cl.
CPC ...
1131 / ; 113 / ;
Abstract
A method for producing a cover for a tin or can is disclosed wherein the cover just prior to forming a weakening scoring thereon is orientated in a definite direction. Apparatus for carrying out such method is also disclosed comprising an alignment station provided at the entry to at least one processing device, said alignment station having means for rotating each cover and means for stopping said cover in a definite rotary position. A cover produced by such method is disclosed, said weakening scoring in said region transverse to the grain direction of said cover being made deeper than said weakening scoring parallel to the direction of rolling.