Fluid supply duct and pickup for mining machines

Details Fluid supply duct and pickup for mining machines Fluid supply duct and pickup for mining machines

1976-07-26

1978-02-07

Purser, Ernest R.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Sidewall-working

104161, 137580, 239183, 299 12, E21C 3508, E21C 3522

Patent

active

040723550

ABSTRACT:
A duct for use with mine equipment is provided with an elongate aperture normally closed by a displaceable sealing means to retain a fluid, under pressure, within the duct, the sealing means, in use, being displaceable by fluid pick-up means carried by a mining machine to convey fluid from the duct to the machine. The invention also includes conveyor trough section provided with such a duct and a mining machine combination.

REFERENCES:
patent: 3722424 (1973-03-01), Veldhuizen
patent: 3861751 (1975-01-01), Erwien

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