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. 01, 2016
Filed:
Apr. 26, 2012
Applicant:
Kung Ying Law, Singapore, SG;
Inventor:
Kung Ying Law, Singapore, SG;
Assignee:
Cheung Woh Technologies Ltd., Singapore, SG;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C23C 18/32 (2006.01); B21K 23/00 (2006.01); B21C 23/06 (2006.01); G11B 25/04 (2006.01);
U.S. Cl.
CPC ...
C23C 18/32 (2013.01); B21C 23/06 (2013.01); B21K 23/00 (2013.01); G11B 25/043 (2013.01);
Abstract
A method and apparatus for forming a hard disk drive base plate with a sequence of progressive forging operations is described. The method may include advancing an initial hard disk drive base plate cut from an extruded sheet through a plurality of stations of a transfer die assembly. The method may also include performing a sequence of forgings on the initial hard disk drive base plate to progressively form parts on a hard disk drive base plate.