发明名称 |
Improvements relating to hot chamber die-casting. |
摘要 |
<p>A gooseneck assembly (10) for hot chamber die-casting comprises a shot cylinder (12), an injection duct (16) leading from the bottom of the cylinder to a die (18), and a reservoir (20) which communicates with the shot cylinder through openings (22, 23 and 24) in a partition wall (21). The upper ends of the shot cylinder and reservoir are closed and a protective atmosphere is maintained above a level (6A) of molten metal in the assembly. The assembly is automatically recharged with molten metal from a separate crucible (3) through a syphon pipe (30).</p> |
申请公布号 |
EP0017331(A1) |
申请公布日期 |
1980.10.15 |
申请号 |
EP19800300545 |
申请日期 |
1980.02.25 |
申请人 |
PROMAGCO LIMITED |
发明人 |
SPARE, NOEL CHRISTOPHER;SMEDLEY, DENNIS |
分类号 |
B22D17/04;B22D17/30;(IPC1-7):22D17/02;22D17/30 |
主分类号 |
B22D17/04 |
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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