发明名称 PALLET AND METHOD OF PRODUCTION
摘要 A sheet metal workpiece is formed to have a plurality of relatively large diameter but relatively shallow cup-like depressions in a first draw operation, to have the shapes of the cup-like depressions changed in a subsequent draw operation and to form the base of the central cup-like depression into a secondary cup-like depression in a further draw operation.
申请公布号 ZA8401775(B) 申请公布日期 1984.10.31
申请号 ZA19840001775 申请日期 1984.03.09
申请人 PRECISION TOOL & GAUGE (PTY) LTD. 发明人 ROBERT JAMES DUNK
分类号 B21D22/26;B21D13/10;B21D53/00;B65D19/00;B65D19/24 主分类号 B21D22/26
代理机构 代理人
主权项
地址