B - Operations – Transporting – 25 – C
Patent
B - Operations, Transporting
25
C
1/33, 78/44
B25C 1/18 (2006.01) B23K 20/08 (2006.01)
Patent
CA 1045302
ABSTRACT OF THE DISCLOSURE A device for carrying out working operations on a workpiece by detonation of blasting charges comprises a first unit, a portion of which is adapted for accommodating a pre- fabricated explosive cartridge, the first unit being adapted for engagement with said workpiece, and a second unit provided with means for igniting the explosive cartridge. The first and second units are shiftably connected to each other in such manner that one of them can be moved relatively to the other between a first position in which the explosive cartridge can be fired by the igniting means, and a second position permitting a used cartridge to be easily removed from said first unit and substituted by a new cartridge.
214763
Boye Erhard R.
Fredriksson Rune O. W.
Johansson Johan I.
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