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. 09, 2014
Filed:
Feb. 05, 2009
Yasuhide Oshima, Chiba, JP;
Masaki Tada, Fukuyama, JP;
Hiroki Iwasa, Kawasaki, JP;
Katsumi Kojima, Fukuyama, JP;
Yoichiro Yamanaka, Fukuyama, JP;
Yoshihiko Yasue, Fukuyama, JP;
Yasuhide Oshima, Chiba, JP;
Masaki Tada, Fukuyama, JP;
Hiroki Iwasa, Kawasaki, JP;
Katsumi Kojima, Fukuyama, JP;
Yoichiro Yamanaka, Fukuyama, JP;
Yoshihiko Yasue, Fukuyama, JP;
JFE Steel Corporation, Tokyo, JP;
Abstract
There is provided a laminated metal sheet used for making a highly processed two-piece can body which endures harsh conditions such as retort treatment, and a two-piece can body made of the laminated steel sheet. A laminated metal sheet for a two-piece can body, including a metal sheet having a polyester resin film layer on each side of the metal sheet, the polyester resin film layer to be the outside of the can body having a crystallization temperature of 60 to 100° C., and the surface of the polyester resin film layer having a center line surface roughness (Ra) of 0.2 to 1.8 μm. The polyester resin film layer to be the outside of the can body is preferably composed of 40 to 100% by mass of a resin composed mainly of butylene terephthalate and 0 to 60% by mass of a resin composed mainly of ethylene terephthalate.