发明名称 Method for manufacturing support for sheet-metal screw in sheet metal, involves manufacturing punching piece in sheet metal, where punching piece is placed in or at punched-out bore
摘要 <p>The method involves manufacturing a punching piece (2) in a sheet metal (1). The punching piece is placed in or at a punched-out bore (3). The sheet metal is coated in the area of the bore together with the punching piece. The punching piece is not circularly symmetrical. The punching piece is aligned at the sheet metal during insertion and feeding such that the edges of the punching piece are attached to the edges of the punched-out bore over a common periphery. An independent claim is included for a support for a sheet-metal screw in a sheet metal.</p>
申请公布号 AT505744(A1) 申请公布日期 2009.03.15
申请号 AT20070001426 申请日期 2007.09.12
申请人 VAILLANT AUSTRIA GMBH 发明人
分类号 B23P19/06;B21D28/10;B21D28/26;B26F1/14 主分类号 B23P19/06
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