发明名称 |
EXPLOSIVE CHARGES |
摘要 |
<p>The disclosure relates to a method for producing charges for explosive jointing of large-diameter pipes such as pipelines. According to the invention, such charges are formed in that a strip-shaped flat explosive is wound and joined together to form a circular ring of even thickness consisting of a plurality of closely abutting layers.</p> |
申请公布号 |
CA1273845(A) |
申请公布日期 |
1990.09.11 |
申请号 |
CA19860511923 |
申请日期 |
1986.06.19 |
申请人 |
NOBEL KEMI AB |
发明人 |
SCHMID, HERMANN;SJOEBERG, PER;SVENSSON, LEIF |
分类号 |
B21D39/04;B23K20/08;C06B45/10;C06B45/12;(IPC1-7):C06B45/12 |
主分类号 |
B21D39/04 |
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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