发明名称 PRESS MOLD
摘要 The present invention provides a press mold which can prevent generation of burr when a piercing process or a blanking process is performed on a material. According to the present invention, the press mold includes a die; a stripper which is installed to be able to move so as to fix the material with the die; a punch which moves forward and backward along holes formed on the die and the strippers to perforate the material; and a protrusion which is formed near the hole either on the die or on the stripper to prevent generation of burr when the material is perforated.
申请公布号 KR20140114507(A) 申请公布日期 2014.09.29
申请号 KR20130027733 申请日期 2013.03.15
申请人 SAMSUNG ELECTRONICS CO., LTD. 发明人 CHO, YONG KYUN;JUNG, JUN YOUNG;LEE, JUN BEOM
分类号 B21D28/34;B21D28/26;B21D37/10;B30B15/02 主分类号 B21D28/34
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