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:
Feb. 18, 1992
Filed:
Dec. 07, 1989
Applicant:
Inventors:
Assignee:
Daiwa Can Company, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21D / ; B21D / ;
U.S. Cl.
CPC ...
413-4 ; 413-7 ; 72348 ; 72349 ;
Abstract
A method for forming a two chambered can having a first chamber in a seamless hollow can cylinder with a closed end portion formed by deep drawing a thin aluminium sheet a second chamber defined in a recess which is formed by inversely rolling a part of the can cylinder at the location adjacent to the end wall of the can cylinder to displace the end wall toward the interior of the can cylinder. respective chambers are filled with different contents and are sealingly closed by respective can lids by a double winding up process respectively.
Fukuhara, Akio. (1992). Method for forming a two chambered can (U.S. Patent No. 5088870). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5088870
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile