| 摘要 |
<p>A fitting for pressure coupling plastics material pipes comprises a fitting body (2) with a support metal ring (13) which can be engaged at one side on the fitting body (2) and, on the other side, on a pressing bushing (9) which can be pressed by a pliers (P). As the plastics pipe (23) has been fitted on the pipe holder end (4), the end of said pipe abutting against said fitting body (2) can be seen through openings (19) formed through the support ring (13) covered by the pliers jaws as the pliers (P) is applied by a geometrical type of engagement on a collar (16) of the support ring (13) and on the pressing bushing (9).</p> |
