| 摘要 |
<p>This invention relates to the joining together by brazing or soldering of metal tubing. In more detail the invention is directed to a coupling for joining together lengths of metal tubing by brazing or soldering, the coupling comprising at least two sockets, each socket having one or more indentations formed in its inner surface with each indentation carrying a deposit comprising a thermoplastic brazing or soldering material. </p> |
