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. 01, 2011
Filed:
Jun. 27, 2005
Shinichi Taya, Yamaguchi, JP;
Masahiro Kai, Yamaguchi, JP;
Junichi Tanabe, Yamaguchi, JP;
Etsuro Tutsumi, Yamaguchi, JP;
Norihito Saiki, Kanagawa, JP;
Shinichi Taya, Yamaguchi, JP;
Masahiro Kai, Yamaguchi, JP;
Junichi Tanabe, Yamaguchi, JP;
Etsuro Tutsumi, Yamaguchi, JP;
Norihito Saiki, Kanagawa, JP;
Toyo Kohan Co., Ltd., Tokyo, JP;
Toyo Seikan Co., Ltd., Tokyo, JP;
Abstract
A method of drawn and ironed processing of a resin coated metal sheet, in which in the drawn and ironed processing of resin coated metal sheet, there can be obtained a can body of satisfactorily small wall thickness and at an opening edge part of the can body, the coating resin is free from any defect; and a resin coating drawn and ironed processed can produced thereby. There is provided a method of drawn and ironed processing of a resin coated metal sheet, comprising performing drawn and ironed processing of a resin coated metal sheet composed of a metal sheet having at least one major surface thereof coated with an organic resin with the use of a punch and a die into a can body, characterized in that ironing is conducted with the use of a punch having a small-diameter portion at its rear end so that the ratio of ironing at an opening edge part of the can body after shaping falls within the range of 0 to 15%. Further, there is provided a drawn and ironed processed can of resin coated metal sheet produced through the processing method.