Patent ID: 6305722
Filing Date: 2001-10-23
Classification: C04B,F16L,Y02P,Y10S

Abstract:
A telescopic tube (10) for sprinkler systems comprising an outer tube (12) and an inner tube (14) which is movable relative thereto and which has an end section (36) extending inside the outer tube, said end section having an outer diameter which is larger than the inner tube in their adjoining regions, and a securing element (26) which surrounds the inner tube and the outer tube, the outer end (22) of the outer tube extends into said securing element,whereinthe outer end (22) of the outer tube (12) is flared and extends inside an annular mounting (24) of the securing element (26), wherein the annular mounting for the flared edge of the outer tube has an inward limiting surface (42) at an angle to the longitudinal axis of the tube and on which the flared edge rests on the inside, and wherein the securing element has an outer edge (34) extending along the outside of the outer tube and is deformed in the direction of the flared edge of the outer tube when the outer end of the outer tube has been inserted into the mounting to secure said securing element to said flared end.