| 摘要 |
PROBLEM TO BE SOLVED: To improve the durability of a ring tip while keeping high vacuum degree, in a structure of the injection part in a high vacuum die casting machine constituted of an injection sleeve, a plunger tip and the ring tip between this injection sleeve and this plunger tip. SOLUTION: A pushing-out mechanism for discharging a portion positioning a casting in the injection sleeve 10 into the extending-out direction of the injection sleeve 10, is disposed to the plunger tip 12, and constituted of bar-like members 19 constituted so as to be freely slid to the extending-out direction of the injection sleeve 10 to this plunger tip 12 and a driving unit for bar-like members 19. COPYRIGHT: (C)2005,JPO&NCIPI
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