发明名称 Improvements to 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 EP0208666(A1) 申请公布日期 1987.01.14
申请号 EP19860850211 申请日期 1986.06.13
申请人 NOBEL KEMI AB 发明人 SCHMID, HERMANN;SJOBERG, PER;SVENSSON, LEIF
分类号 B21D39/04;B23K20/08;C06B45/10;C06B45/12;(IPC1-7):C06B45/12 主分类号 B21D39/04
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