| 摘要 |
The joint with flared part is intended to join together, by welding, the ends of two tubes equipped with an internal protective coating. The end of a tube 2 externally includes a concave ring 7, the edges 9, 10 of which are welded onto the outer surface of this end, so as to delimit an annular air chamber 13, a flared part 4 formed at the end of the other tube 1 being superimposed on the ring 7 and welded onto the outer surface of this ring 7. Application to the joining of two tubes, by welding, without damage to the internal protective coating. <IMAGE>
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