发明名称 METHOD FOR FORMING LOST FORMING PATTERN WITH CORE
摘要 PURPOSE:To uniformly foam foaming beads near a core by supplying steam and cold water in order into the core arranged in a die after packing the foaming beads into cavity. CONSTITUTION:After setting the hollow core 7 to a fixed die 1, by ascending a movable die 2, both dies 1, 2 are clamped. After that, the foaming beads are packed in the cavity 5. Then, the steam is supplied into steam chambers 11, 12 through steam holes 3a, 4a, and also supplied into a hollow part in the core 7 through a steam supplying pipe 9a. After that, the cooling water is supplied into the core 7 through the cooling water supplying pipe 9b. By this method, heating and cooling of the core can be freely executed.
申请公布号 JPH02169147(A) 申请公布日期 1990.06.29
申请号 JP19880326725 申请日期 1988.12.23
申请人 AISIN TAKAOKA LTD 发明人 HATSUYAMA KEIJI;KATO SHINKO
分类号 B22C7/02 主分类号 B22C7/02
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