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.

Date of Patent:
Jun. 05, 2012

Filed:

Jun. 21, 2010
Applicants:

Yasuhiko Kunita, Nagoya, JP;

Takayuki Sakakibara, Nagoya, JP;

Masami Wakita, Nagoya, JP;

Yuichi Kondo, Osaka, JP;

Norio Sawatari, Nagoya, JP;

Inventors:

Yasuhiko Kunita, Nagoya, JP;

Takayuki Sakakibara, Nagoya, JP;

Masami Wakita, Nagoya, JP;

Yuichi Kondo, Osaka, JP;

Norio Sawatari, Nagoya, JP;

Assignees:

Chuo Hatsujo Kabushiki Kaisha, Nagoya-shi, JP;

Rock Paint Co., Ltd., Osaka-shi, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D 1/36 (2006.01); B05D 1/38 (2006.01); B05D 3/02 (2006.01); B05D 7/16 (2006.01); B32B 15/02 (2006.01); C08L 63/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A spring with high durability has a coating film composed of an epoxy resin powder coating containing softening agent which contains an epoxy resin and a softening agent comprising a thermoplastic resin for improving impact resistance of the coating film. A method of coating a spring with high durability comprises a coating step of making an epoxy resin powder coating containing softening agent which contains an epoxy resin and a softening agent comprising a thermoplastic resin for improving impact resistance of a coating film adhere to a surface on which the coating film is formed, and a baking step of baking the epoxy resin powder coating containing softening agent adhered to the surface.


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