Explosive powder driven fastening element setting device

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

1984-07-18

1986-09-16

Schran, Donald R.

Elongated-member-driving apparatus

Explosive-type driving means

227 10, B25C 108

Patent

active

046117385

ABSTRACT:
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 counterpressure 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.

REFERENCES:
patent: 4063672 (1977-12-01), Jochum
patent: 4263836 (1981-04-01), Koine

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