| 摘要 |
<p>Connection particularly for tubular plastic conduits, comprising a cylindrical reducing coupling socket (6) with a springy, dished fixing ring (1) made of steel, both its ends provided with means securely to combine ring and socket said fixing ring (1) so introduced into the wider portion (6) of the socket, that it rests against its conical reducing step. The outer periphery of the spring steel fixing ring has narrower pitched securing teeth than those of the inner periphery, the latter (2) perhaps back-pitched, and adapted for connecting with a plugged-in conduit (7).</p> |
