发明名称 Riser removal device
摘要 This invention relates generally to a device for removing risers or the like from metal castings. The device generally includes a frame on which there is mounted a power actuated means for fracturing and separating the riser from the casting and a retaining and locating means which serves to locate and retain the power actuated means in a position in which it is operative to strike the riser and separate it from the casting.
申请公布号 US4402443(A) 申请公布日期 1983.09.06
申请号 US19810253318 申请日期 1981.04.13
申请人 AMSTED INDUSTRIES INCORPORATED 发明人 KERNS, VICTOR L.;SAGER, DAVID A.
分类号 B22D31/00;(IPC1-7):B26F3/00 主分类号 B22D31/00
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