Explosive powder driven fastening element setting device

Details Explosive powder driven fastening element setting device Explosive powder driven fastening element setting device

B - Operations, Transporting

25

C

1/33

B25C 1/14 (2006.01) B25C 1/08 (2006.01) F41A 3/74 (2006.01)

Patent

CA 1147903

ABSTRACT OF THE DISCLOSURE A setting device arranged to use caseless propellent charges for driving fastening elements, such as bolts, nails and the like, into a hard receiving material, includes a casing containing an axially slidable barrel forming a feed element at its rearward end. A counterpressure member is slidably movably supported within the casing in axial alignment with the barrel. The feed element and counter- pressure member combine to form a combustion chamber for the caseless propellent charges. A frusto-conical surface is formed on the counterpressure member and seats in sealing contact with a complementary frusto-conical surface in the casing.

370589

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