Agent feeder for pipe casting apparatus

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

B - Operations, Transporting

22

D

39/107, 22/171,

B22D 13/10 (2006.01) B22D 1/00 (2006.01) B22D 13/02 (2006.01) C21C 7/00 (2006.01)

Patent

CA 1067283

ABSTRACT OF THE DISCLOSURE 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 actuable 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.

238951

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