Vacuum casting equipment
    14.
    发明专利

    公开(公告)号:JP5353870B2

    公开(公告)日:2013-11-27

    申请号:JP2010276904

    申请日:2010-12-13

    CPC classification number: B22D18/06 B22D17/2236

    Abstract: A vacuum casting apparatus that performs casting through decompression of a cavity includes: an ejector pin for releasing a molding from a mold; a pinhole that is a hole in which the ejector pin is slidably arranged and that has a small diameter portion and a large diameter portion that is more distant from the cavity than the small diameter portion is and is larger in diameter than the small diameter portion; and a hollow portion that is provided under an end portion, on a side where the cavity is present, of the large diameter portion.

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