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:
Feb. 12, 1985
Filed:
Jun. 02, 1983
Applicant:
Inventors:
Gyorgy Gergo, Pecs, HU;
Jozsef Nemeth, Budapest, HU;
Bela Sebestyen, Pecs, HU;
Bela Solymossy, Pecs, HU;
Assignee:
Mecseki Szenbanyak, Komjat Aladar, HU;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F42D / ;
U.S. Cl.
CPC ...
102312 ; 102313 ; 102316 ; 102320 ; 102331 ; 166 63 ; 175-455 ; 299 12 ; 299 13 ;
Abstract
Steep dip strong-coal deposits can be broken in an explosive mine environment utilizing a succession of explosive units each of which comprises a core tube surrounded by a body of explosive material which, in turn, is surrounded by an arc-suppressing heat-dissipating fluid. Igniters in the explosive charges have conductors which are lead back out of the bore hole through the tubes of the explosive units which are anchored at spaced locations along the bore hole.