Signal tube of improved oil resistance

Details Signal tube of improved oil resistance Signal tube of improved oil resistance

1994-12-19

1997-04-29

Nelson, Peter A.

Ammunition and explosives

Blasting

Blasting charge case

102324, 1022754, 10227512, F42B 300

Patent

active

056251629

ABSTRACT:
The invention relates to oil resistant signal tube, in particular, to initiating explosives or explosives accessories which comprise signal tube. The signal tube of the invention has a sub-tube comprising polyethylene and an outer jacket comprising a thermoplastic polyurethane resin of the polyester type.

REFERENCES:
patent: 3534685 (1970-10-01), Romocki et al.
patent: 3617593 (1971-11-01), Alderfer
patent: 4493261 (1985-01-01), Simon et al.
patent: 4942817 (1990-07-01), Ikeda et al.
patent: 5138949 (1992-08-01), Swartout et al.
patent: 5208419 (1993-05-01), Greenhorn et al.

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