| 摘要 |
<p>An instant hose coupling, characterised by comprising: - a body (1) comprising an axial duct provided internally with at least one O-ring (9); - a male element (3) axially insertable into said body (1) so that a seal is formed between its outer surface and said O-ring (9); and - at least two engagement members (12,26) applied externally to said body (1) and each comprising an appendix (15,29) which traverses a corresponding passage (11) provided in the body and engages in a circumferential groove provided in said male element (3) on the outside of the portion which seals against said O-ring (9).</p> |
