Co-extruded shock tube

Details Co-extruded shock tube Co-extruded shock tube

1992-05-06

1993-05-18

Johnson, Stephen M.

Ammunition and explosives

Igniting devices and systems

Fuse cord

86 22, C06C 504

Patent

active

052123413

ABSTRACT:
The invention relates to a method of manufacturing a low-energy shock tube by co-extruding two or more layers simultaneously wherein the inner layer has an adhesive affinity for a powdered reactive material and the outer layer(s) provides abrasion, cut and other environmental resistance to the tube. The wall thickness of the inner layer is less than about 0.3 millimeters. The invention also relates to a low-energy shock tube having such configuration and inner layer thickness.

REFERENCES:
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patent: 3726216 (1973-04-01), Calder, Jr. et al.
patent: 3730096 (1973-05-01), Prior
patent: 4177732 (1979-12-01), Steele
patent: 4328753 (1982-05-01), Kristensen et al.
patent: 4369688 (1983-01-01), Yunan
patent: 4493261 (1985-01-01), Simon et al.
patent: 4607573 (1986-08-01), Thureson et al.
patent: 4699059 (1987-10-01), Kelly et al.
patent: 4757764 (1988-07-01), Thurson et al.
patent: 5001981 (1991-03-01), Shaw

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