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:
Nov. 21, 2017
Filed:
Sep. 04, 2013
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Kazuhiro Tsuchiya, Nagano, JP;
Masao Takeuchi, Nagano, JP;
Masatoshi Moteki, Nagano, JP;
Shoichi Nagao, Nagano, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G04B 1/00 (2006.01); G04D 3/00 (2006.01); G04B 1/10 (2006.01); G04B 1/14 (2006.01);
U.S. Cl.
CPC ...
G04D 3/0076 (2013.01); G04B 1/10 (2013.01); G04B 1/145 (2013.01); Y10T 29/49579 (2015.01); Y10T 29/53 (2015.01);
Abstract
A method for producing a timepiece spring includes a step for producing, by casting, a metallic glass raw material constituted of a metallic glass; a step for heating the metallic glass raw material to achieve a superplastic state; and a step for rolling the metallic glass raw material in a superplastic state to produce a sheet material. A timepiece spring is characterized by being obtained by the method for producing a timepiece spring.