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:
Mar. 29, 1994
Filed:
Sep. 30, 1992
Applicant:
Inventor:
Sergio R Sainz, Richmond, VA (US);
Assignee:
Reynolds Metals Company, Richmond, VA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21D / ;
U.S. Cl.
CPC ...
723546 ; 72370 ; 72356 ; 413-1 ;
Abstract
A method of die-necking the open end of a can body to form a reduced diameter neck having a smooth profile comprising first forming a reduced diameter control neck at the open end of the sidewall of the can body, and then totally reforming the control neck and the adjacent portion of the sidewall to form a second reduced diameter neck. The diameter of the second neck is less than the diameter of the control neck, and the axial length of the second neck is substantially greater than the axial length of the control neck.
Sainz, Sergio. (1994). Method for necking containers (U.S. Patent No. 5297414). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5297414
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile