| 摘要 |
<p>A supporting sleeve for use in a tube coupling, in order to cause an internal stiffening against compression of the end of a tube inserted in the coupling, said supporting sleeve (1) being a separate part for being mounted in a bore in the coupling. The supporting sleeve (1) comprises a deformable collar (3) which externally is conical and narrowing in the direction of insertion, wherein the edge of the collar has a diameter mainly corresponding to or exceeding the diameter of the bore. A coupling housing (5) for use together with the supporting sleeve has, in a bore for insertion of the supporting sleeve, an annular groove (17) into which the edge of the collar (3) may be inserted.</p> |
