Agent feeder for pipe casting apparatus

Details Agent feeder for pipe casting apparatus Agent feeder for pipe casting apparatus

1974-11-29

1978-06-20

Husar, Francis S.

Metal founding

Means to shape metallic material

Pressure shaping means

164 57, 164114, 222193, 222200, B22D 1310, B22D 1302

Patent

active

040956431

ABSTRACT:
Apparatus is disclosed for feeding an inoculating or nucleating agent or particle to a trough of a pipe casting apparatus or beneath the surface of molten metal within a ladle. In particular, the agents are introduced by a hopper into a sealed chamber by selectively actuatable valves. A gas compatible with the agent to be used in the casting process, is introduced into the sealed chamber, whereby a relatively low pressure is established therein. An agent feeder, such as a vibratory feeder, is provided for directing a measured charge of the agent into a funnel leading to an outlet conduit. The pressure established within the chamber forces the agent through the conduit which is in turn connected to a delivery tube by which the agent is used to coat the mold surface directly or is fed into a stream of metal in a centrifugal tube casting apparatus. An outlet valve in the outlet tube is provided for selectively permitting the passage of the agent and gas mixture to the casting apparatus.

REFERENCES:
patent: 1963146 (1934-06-01), Russell et al.
patent: 1963148 (1934-06-01), Russell et al.
patent: 1982762 (1934-12-01), Russell et al.
patent: 1986985 (1935-01-01), Stuart et al.
patent: 2128327 (1938-08-01), Russell et al.
patent: 3456712 (1969-07-01), Schuh
patent: 3570716 (1971-03-01), Kirsanoff et al.

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