Wet jigging machine for dressing coal or other minerals

Details Wet jigging machine for dressing coal or other minerals Wet jigging machine for dressing coal or other minerals

1982-12-21

1984-11-27

Lacey, David

Classifying, separating, and assorting solids

Stratifiers

Elements

209502, 251 59, B03B 524

Patent

active

044850107

ABSTRACT:
A wet jigging mechanism for handling coal or other minerals including a mineral containing tank, a pulsed air chamber opening downwardly into the tank, a compressed air source with a conduit and a vent conduit with valves in the conduit, the valves including pivotal butterfly valves on a shaft with a swing flap operator operated by the compressed air to move the butterfly valve and the swing wing engaging a variable positioned rubber stop damper at the open position of the butterfly valve, and a rubber seat for the butterfly valve in closed position acting as a damper.

REFERENCES:
patent: 3688645 (1972-09-01), Reaves
patent: 4019981 (1977-04-01), Stern
patent: 4164236 (1979-08-01), Owen et al.
patent: 4301833 (1981-11-01), Donald
patent: 4342654 (1982-08-01), Lambert

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