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:
Aug. 08, 2006
Filed:
Sep. 23, 2004
Applicants:
Wenkuei LI, Taoyuan, TW;
Long-jyh Pan, Taoyuan, TW;
Inventors:
Wenkuei Li, Taoyuan, TW;
Long-Jyh Pan, Taoyuan, TW;
Assignee:
Benq Corporation, Taoyuan, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23H 9/00 (2006.01); B23H 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for manufacturing an injection mold cavity is provided. A fixture, which has a hollow hole, is used by the method. The method comprises the following steps: first, fix the fixture on a non-machined cavity for forming an assembly; second, the non-machined cavity has a profile fitting approximately to the shape of the hollow hole, the fixture is fixed and position on the cavity; next, apply an electrical discharge machining procedure to the assembly with an electrode; next, applying a polishing procedure to the assembly; finally, removing the fixture from the assembly.