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:
May. 28, 2002
Filed:
Sep. 29, 2000
Applicant:
Inventor:
Eiji Suzuki, Tokyo, JP;
Assignee:
Astec Corporation Limted, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23H 1/00 ;
U.S. Cl.
CPC ...
B23H 1/00 ;
Abstract
A method and device for replacing quickly a pipe electrode small-hole electric discharge machining to make a small-hole in a work by electric discharge machining. To make replacement of a pipe electrode , an electrode magazine containing an electrode guide in which the pipe electrode is accommodated is replaced by using means. The electrode magazine has a self-position maintenance tip for maintaining the position taken by the electrode until then while the electrode magazine is removed from the electrode discharge machine and resuming the electrode discharge from the position after the electrode magazine is attached again to the electric discharge machine.