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. 09, 1996
Filed:
Feb. 28, 1995
Applicant:
Inventors:
Gregory Wint, Pierrefonds, CA;
Michel Menard, Pincourt, CA;
Assignee:
Noranda, Inc., Toronto, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21C / ;
U.S. Cl.
CPC ...
299 14 ; 175 16 ;
Abstract
The present invention is concerned with a probe assembly for plasma blasting or fragmenting a substance such as rock, concrete and the like. The probe assembly contains a probe made of two coaxial electrodes separated by a dielectric material; a termination box secured to the probe and coupled to an energy storage module, and containing electrical connections between the probe and the energy storage module; and dampening means for dampening the movement of the termination box and the probe after a blast.