发明名称 HOT PRESS PRODUCT AND METHOD OF FORMING THE SAME
摘要 Provided is a method of forming a hot press product, the method including: a positioning and placing step of positioning a material, which is heated, and placing the material on a mold through engagement between a positioning pin provided to the mold and a positioning hole provided in the material; and a pressing and hole expanding step of performing press forming on the material through use of the mold, and expanding the positioning hole through bulging of a peripheral part of the positioning hole of the material) when the press forming is performed.
申请公布号 US2013316132(A1) 申请公布日期 2013.11.28
申请号 US201313860734 申请日期 2013.04.11
申请人 TOPRE CORPORATION 发明人 YUASA NAOYA
分类号 B21D22/02 主分类号 B21D22/02
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