B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 47/12 (2006.01) B29C 49/00 (2006.01) B29D 23/18 (2006.01) F16L 11/11 (2006.01)
Patent
CA 2715332
A twin-wall pipe (10) comprises an internal pipe (39') and an external pipe (37'). The external pipe (37') is corrugated, having elevations and troughs. The twin-wall pipe (10) is further provided with a socket (41). In a transition portion (61) towards the twin-wall pipe (10) and the socket (41), provision is made for at least one overflow passage (59) which interconnects the clearance between the external pipe (37') and internal pipe (39') in the vicinity of the transition portion (61) and an adjacent elevation (38) a >= b refers to the radial height b of the overflow passage (59) relative to its width a in the circumferential direction.
Tube d'assemblage (10) comprenant un tube intérieur (39') et un tube extérieur (37'). Ce dernier présente une ondulation avec des sommets d'ondulation et des creux d'ondulation. Le tube d'assemblage (10) est en outre pourvu d'un manchon de raccord (41). Dans une partie de transition (61) entre le tube d'assemblage (10) et le manchon de raccord (41), il est prévu au moins un canal de débordement (59) qui relie à un sommet d'ondulation voisin l'espace intermédiaire entre le tube extérieur (37') et le tube intérieur (39') dans la région de la partie de transition (61). On a l'équation a = b, a étant la largeur en direction circonférentielle et b étant la hauteur radiale du canal de débordement (59).
Hegler Ralph Peter
Marks & Clerk
LandOfFree
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