Charge placement device

Details Charge placement device Charge placement device

1983-11-02

1985-10-15

Nelson, Peter A.

Ammunition and explosives

Blasting

Plug

102313, 102317, F42B 300

Patent

active

045467030

ABSTRACT:
A pre-packaged explosive charge of the type made up of modules having a threaded male coupling end and a threaded female coupling end is loaded into a bore hole by use of a plug fitting threadably attachable to the uppermost charge module. The fitting is constructed so that the torque required for disconnection of the fitting from the module is substantially less than the torque required to separate one module from another.

REFERENCES:
patent: 3013492 (1961-12-01), Sexton
patent: 3041973 (1962-07-01), Sanders
patent: 3185092 (1965-05-01), Hamilton
patent: 3208381 (1965-09-01), Kihlstrom et al.
patent: 3285173 (1966-11-01), Hamilton
patent: 3395642 (1968-08-01), Foster et al.
patent: 3877373 (1975-04-01), Bergmann et al.

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