| 摘要 |
PURPOSE: An intrusion mold is provided to intrude a large object even with short producing time, low cost and a small mold by molding a large molded object using a small mold. CONSTITUTION: A small mold is composed of a fixed side plate(1), a mobile side plate(2), a molded object space(3) formed by the combination of the fixed side plate and the mobile side plate over the range of a withdrawal pin and a large sleeve plate(10) larger than the molded object space and installed on the mobile side plate. A pushing plate(5) is pushed by the withdrawal of a mold rod(6). Thereafter, the molded object(3) is withdrawn by pushing the entire part of the sleeve plate by a withdrawal core(7) connected to the bottom plate.
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