Patent ID: 6568716
Filing Date: 2003-05-27
Classification: F16L,H02G

Abstract:
A securing coupling for a corrugated pipe having a circumferential groove, said securing coupling comprisinga tubular sleeve having a circumferential wall and an open end for receiving the corrugated pipe, said tubular sleeve comprising a sleeve section which is pivotable radially outward from said sleeve by means of an integral hinge connecting said sleeve section to said circumferential wall, a first locking tongue arranged in a first aperture in said circumferential wall, said first aperture being located in said sleeve section, said first locking tongue being resiliently connected to said sleeve section and having a first blocking projection which is engageable with said circumferential groove in said pipe, said first locking tongue being movable radially outward with resilience to release said blocking projection from said groove, and a second locking tongue arranged in a second aperture in said circumferential wall, said second aperture being located opposite from said first aperture, said second locking tongue being resiliently connected to said sleeve and having a second blocking projection which is engageable with said circumferential groove in said pipe, said second locking tongue having a lever arm which extends toward said open end of said sleeve oppositely from said blocking projection, said lever arm being movable radially inward to cause said second blocking projection to move radially outward with resilience to release said second blocking projection from said groove.