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:
Apr. 02, 2013
Filed:
Feb. 08, 2010
Applicant:
Akira Muramatsu, Shizuoka, JP;
Inventor:
Akira Muramatsu, Shizuoka, JP;
Assignee:
Alphana Technology Co., Ltd., Shizuoka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21D 53/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A fluid dynamic bearing includes a shaft to which a resin flange is fixed by insert molding. The process where the flange is fixed to the shaft by insert molding includes a flange forming process in which the flange, fixed to the shaft, is formed by injecting the resin into a filled portion in the lower mold through an upper mold, while cooling at least part of the shaft, arranged in a shaft arrangement portion in a lower mold, with cooling water circulating through a cooling pipe.
Muramatsu, Akira. (2013). Fluid dynamic bearing, method of manufacturing fluid dynamic bearing, rotating device, and disk drive device (U.S. Patent No. 8407899). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8407899
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile