Rigid waterproof container for slurried explosives in small diam

Details Rigid waterproof container for slurried explosives in small diam Rigid waterproof container for slurried explosives in small diam

1975-12-17

1977-07-19

Pendegrass, Verlin R.

Ammunition and explosives

Igniting devices and systems

206497, 229 31, 229 45, 229 48T, 53184S, F42B 300

Patent

active

040361381

ABSTRACT:
The present invention relates to a waterproof and rigid container for slurried explosives which comprises a tube or shell formed by superimposing partially or wholly a shrinkable film on paper and rolling the film and paper into the shape of a tube or shell of continuous and successive layers of the film and paper, the inner layer being the film and the outer layer being the paper, and thereafter crimping the tube or shell to one end, the tube or shell so formed being externally coated with a suitable waterproofing medium under predetermined conditions thereby causing a partial shrinkage of the film and, when required, the waterproofed tube or shell is filled with an explosive and the filling or mouth end is crimped and waterproofed forming a rigid and waterproof cartridge.

REFERENCES:
patent: 2408189 (1946-09-01), Baker
patent: 3200743 (1965-08-01), Griffith et al.
patent: 3321886 (1967-05-01), Griffith et al.
patent: 3402874 (1968-09-01), Sternan
patent: 3731625 (1973-05-01), Slawinski
patent: 3837279 (1974-09-01), Cooke, Jr.

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