发明名称 Double feed eyelet machine with roll forming capability
摘要 Modification of a standard commercial multistation transfer press is disclosed to provide greater output capacity from that press, especially in producing workpieces which require a rolling operation in the forming process. The modified press utilizes double feed rolls of sheet metal strip, and pairs of duplicate blanking, drawing and rolling stations for processing the workpieces in pairs while being advanced through the press to complete the work.
申请公布号 US4397170(A) 申请公布日期 1983.08.09
申请号 US19810301978 申请日期 1981.09.14
申请人 EYELEMATIC MANUFACTURING COMPANY 发明人 SEEBACH, JR., HENRY F.
分类号 B21D43/05;(IPC1-7):B21D43/05 主分类号 B21D43/05
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