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:
Mar. 22, 1977
Filed:
Nov. 03, 1975
Applicant:
Inventors:
Cornelis van Osenbruggen, Eindhoven, NL;
Johannes VAN Ruler, Eindhoven, NL;
Theodorus Maria Schoenmakers, Eindhoven, NL;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B23P / ;
U.S. Cl.
CPC ...
219 / ; 219 / ;
Abstract
Spark erosion is applied to a non-conducting workpiece while employing a dielectric liquid comprising an emulsion of an aqueous solution of an electrolyte in an organic liquid and a surfactant.