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. 12, 1987
Filed:
Nov. 02, 1984
Applicant:
Inventor:
Gerard Crespin, Villeurbanne, FR;
Assignee:
Framatome & Cie., Courbevoie, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23H / ; B23H / ;
U.S. Cl.
CPC ...
219 / ; 2041297 ; 2042 / ;
Abstract
The device includes an electrode in the form of a cylindrical tube, an arrangement for causing an electrical discharge between the electrode and the workpiece, a support fixed to the workpiece and disposed at least partly inside the electrode for guiding the electrode in a direction perpendicular to the workpiece and electromagnetic structure placed inside the electrode to cause the electrode to vibrate.
Crespin, Gerard. (1987). Device for piercing a hole through a metal workpiece by electrical (U.S. Patent No. 4665293). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4665293
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile