| 摘要 |
<p>It comprises two sleeve-like bodies (1,2) with complementary threaded sections for mutual engagement. One body (1) presents an inner crown (7) of lugs (9) which fit around a corrugated pipe (23) and press it against a frusto-conical portion (18) provided in the other body (2). The lugs (9) are biased in radial direction by a cylindrical projection (19) of the body (2), which penetrates a gap -7a- existing between the lugs (9) and the inner side of the body (2). When the body (1) is unscrewed, the lugs (9) draw the pipe (23) outwards, thus facilitating its disengagement from the device. <IMAGE></p> |
