B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 44/32 (2006.01) B29C 39/20 (2006.01)
Patent
CA 2577296
A system and method for insulating an outer surface of a fluid conduit is provided. A portion of the circumference of the outer surface of a conduit is surrounded in a film, thereby forming a generally annular pocket between the outer surface of the conduit and the inner surface of the film. Insulation is deposited into this pocket between the outer surface of the conduit and an inner surface of the film, molded to a substantially uniform radial thickness, and cured to form a cast molded conduit.
L'invention concerne un système et un procédé pour isoler une surface externe d'un conduit fluidique. Selon l'invention, une partie de la circonférence de la surface externe d'un conduit est entourée d'un film, formant ainsi une poche sensiblement annulaire entre la surface externe du conduit et la surface interne du film. La matière isolante est placée dans cette poche entre la surface externe du conduit et la surface interne du film, puis moulée en une épaisseur radiale sensiblement uniforme et durcie pour former un conduit moulé par coulée.
Appleby Robert
Ervin Billy
Pfanner Glen
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Perma-Pipe Inc.
LandOfFree
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