发明名称 |
AGENT FEEDER FOR PIPE CASTING APPARATUS |
摘要 |
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. |
申请公布号 |
AU8618575(A) |
申请公布日期 |
1977.05.05 |
申请号 |
AU19750086185 |
申请日期 |
1975.10.30 |
申请人 |
AMERICAN CAST IRON PIPE CO. |
发明人 |
CARL PEARSON FARLOW, JR.;JOEL PAUL SUTHERLAND;WILLIAM ERNEST SNOW |
分类号 |
C21C7/072;B22D1/00;B22D13/02;B22D13/10;C21C7/00 |
主分类号 |
C21C7/072 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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