Explosive powder charge operated setting tool

Details Explosive powder charge operated setting tool Explosive powder charge operated setting tool

1993-06-01

1994-07-19

Brown, David H.

Ordnance

Explosive operated apparatus

227 10, B25C 108, E04G 2116

Patent

active

053298390

ABSTRACT:
An explosive powder charge operated setting tool includes an axially extending driving piston (2) slidably guided in a piston guide (1). The piston guide (1) has a trailing or rear end base part (3) penetrated axially by a through channel (4) which opens in the driving direction of the setting tool into a recess (7) in the base part (3). The trailing end face of the driving piston (2) facing the base part (3) has a centrally arranged annular-shaped depression (10). In axial section the depression (10) is semicircularly-shaped. Depression (10) and recess (7) serve to reverse and direct unburned portions of the explosive powder charge into a hot zone in the base part (3) so that the unburned portions are subsequently ignited and do not foul the setting tool.

REFERENCES:
patent: 3319862 (1967-05-01), Neighorn
patent: 3481143 (1969-12-01), Hsu
patent: 3804314 (1974-04-01), Gilbert
patent: 4134527 (1979-01-01), Termet
patent: 4364506 (1982-12-01), Schneider
patent: 5136921 (1992-08-01), Buchel

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