发明名称 |
DIE AND PUNCH FOR FORMING A JOINT THEREBETWEEN |
摘要 |
A die (24) and punch (32) is employed to form a joint (74) between at least two sheets of material (70 and 72). The preferred embodiment die (24) has a shield (54) surrounding an anvil (52). This shield (54) has at least one aperture (120) extending therethrough. |
申请公布号 |
CA2180833(C) |
申请公布日期 |
2004.09.14 |
申请号 |
CA19942180833 |
申请日期 |
1994.07.29 |
申请人 |
BTM CORPORATION |
发明人 |
SAWDON, EDWIN GEORGE |
分类号 |
B23P11/00;B21D39/03;B21J15/02;B21K5/20;(IPC1-7):B23P11/00;B23Q1/00 |
主分类号 |
B23P11/00 |
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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