Arrangement for cooling an explosive charge-driven setting gun

Details Arrangement for cooling an explosive charge-driven setting gun Arrangement for cooling an explosive charge-driven setting gun

1975-03-07

1976-12-14

Custer, Jr., Granville Y.

Elongated-member-driving apparatus

Explosive-type driving means

With plunger

B25C 114

Patent

active

039970965

ABSTRACT:
In an explosive charge-driven setting gun used for inserting fastening elements, a piston is axially displaced through a piston guide chamber by the gases generated when a cartridge is exploded within the rearward end of the chamber. To cool the setting gun at least one opening is provided from the piston guide chamber so that the heated gases generated when a cartridge is exploded can be removed after the gases have started the axial movement of the piston. The gases can be directed into the atmosphere creating a suction effect so that cooling air is drawn into the piston guide chamber. Alternatively, the gases can be cooled by passing them through a heat exchanger located externally of the chamber and then returning the cooled gases into the chamber.

REFERENCES:
patent: 2966682 (1961-01-01), Henning
patent: 3060436 (1962-10-01), DeCaro et al.
patent: 3112487 (1963-12-01), Hilti
patent: 3563439 (1971-02-01), Pomeroy
patent: 3658229 (1972-04-01), Pomeroy
patent: 3860161 (1975-01-01), Engstrom et al.

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