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 |
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代理人 |
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主权项 |
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地址 |
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