Noise reducer for powder actuated fastening tool

Details Noise reducer for powder actuated fastening tool Noise reducer for powder actuated fastening tool

1978-12-11

1980-04-08

McQuade, John

Elongated-member-driving apparatus

Explosive-type driving means

With plunger

60635, B25C 114

Patent

active

041968344

ABSTRACT:
A noise reducer for a powder actuated fastening tool comprises a barrel including inner and outer cylindrical walls which are radially spaced to define a gas expansion chamber between them. The chamber is adapted to receive combustion gases through ports or passages in the inner wall, and the gases may be exhausted from the chamber in any appropriate manner, preferably at a location adjacent the front end of the tool. The outer wall of the barrel can thus be made to slidingly fit within the tool receiver, while porting of the expansion chamber can be such as to induce a favorable flow pattern to the combustion gases passing therethrough.

REFERENCES:
patent: 3204400 (1965-09-01), Kvavle
patent: 3297224 (1967-01-01), Osborne
patent: 3743048 (1973-07-01), Bakoledis
patent: 3860161 (1975-01-01), Engstrom
patent: 3895752 (1975-07-01), Hatayama et al.

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