| 摘要 |
<p>Method for the permanent mutual connection of the ends of at least two already finished metal tubes (1,2,3), consisting in placing the ends of said tubes in a mould, particularly an injection moulding mould, whereby one tube end or several tube ends is or are arranged around a tubulous part of a metal body (4), closing the mould and filling the mould with liquid plastics material, so that after the setting of the plastics material and the opening of the mould the ends of the tubes (1,2,3) are joined together, whereby before closing the mould the or each of said tube ends (1,2,3) as well as the tubulous part of the metal body (4) present therein is locally depressed over a certain distance.</p> |
