Passive explosion barrier for mines

Details Passive explosion barrier for mines Passive explosion barrier for mines

1979-10-03

1981-08-18

Taylor, Dennis L.

Fire extinguishers

Special applications

For mine

169 29, 405303, A62C 3504

Patent

active

042841445

ABSTRACT:
A passive explosion barrier is provided for use in mining operations in suppressing mine explosions. The barrier basically comprises a receptacle or tub which contains an explosion suppressing substance, such as water, and is mounted on a frame adjacent to the roof of the mine. The tub includes a pair of integral support lips at the front and rear edges thereof which are beveled at the sides and which constitute the sole support for the tub. In operation, wind from an explosion will cause the lip disposed toward the explosion to distort and curve inwards and disengage from the frame so that the tub falls, pivoting about the other lip. In an alternative embodiment, the sides of the tub are more flexible than the lips of the tub, and distortion of the sides in response to wind forces causes disengagement of the lip facing the explosion.

REFERENCES:
patent: 3960217 (1976-06-01), Liebman et al.

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