Blast attenuator

Details Blast attenuator Blast attenuator

1983-08-08

1985-10-01

Lechert, Jr., Stephen J.

Ammunition and explosive-charge making

Miscellaneous

109 1R, 109 495, C06B 2100, E06B 900

Patent

active

045438722

ABSTRACT:
A blast attenuator device is disclosed comprising a collapsible/inflatable cylinder for containment of a body of foam therein. The cylinder is provided with a slitted floor such that the explosive device to be contained can be inserted therethrough. The blast attenuator is self contained and is provided with a compressed gas cannister for inflating the cylinder and foam generating cannister for automatically dispensing foam into the cylinder. The blast attenuator device can be deflated and compactly rolled up from a cylinder eight feet in height and eight feet in diameter to a bundle approximately four feet long for convenient storage and transport. Once the blast attenuator has been unpacked and placed over the explosive device, the inflating device can be turned on, the cylinder automatically inflates, and the foam cannister automatically dispenses foam after cylinder inflation to a specified height.

REFERENCES:
patent: 3356120 (1967-12-01), Nohmura
patent: 3570749 (1971-03-01), Sato et al.
patent: 3721201 (1973-03-01), Boller
patent: 3739731 (1973-06-01), Tabor
patent: 3786956 (1974-01-01), Tabor
patent: 3820435 (1974-06-01), Rogers et al.
patent: 3874457 (1975-04-01), Thrash
patent: 4013190 (1977-03-01), Wiggins et al.
patent: 4027601 (1977-06-01), Hickerson
patent: 4169403 (1979-10-01), Hanson
patent: 4432285 (1984-02-01), Boyars et al.
patent: 4454798 (1984-06-01), Shea et al.

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