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:
Jan. 18, 2005
Filed:
May. 02, 2003
Applicants:
Po-sung Kao, Taichung, TW;
Shih-chung Chen, Taichung, TW;
Sheng-jui Chao, Taichung, TW;
Inventors:
Assignee:
Asta Optical Co., Inc., Taichung, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23P 1304 ;
U.S. Cl.
CPC ...
Abstract
A process for finishing an end surface of a non-circular post is provided to obtain a good surface precision. The process includes the steps of providing a workpiece having a first end with a first end surface, mounting a filling block around the first end of the workpiece, and surface-finishing the first end surface of the workpiece and an extension end surface of the filling block, which are at least covered by an area bounded by a circular track, by using a cutter.