F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 59/14 (2006.01)
Patent
CA 2611115
The invention provides an insulated pipe-in-pipe assembly comprising (a) at least one inner pipe, (b) an outer pipe disposed around the at least one inner pipe so as to create an annular space between the outer and inner pipes, (c) porous, resilient, compressible material disposed in the annular space, and (d) a remnant of a container that previously was positioned in the annular space and previously held the compressible material in a volume less than the volume of the compressible material in the annular space. The invention also provides a method for making such an insulated pipe-in-pipe assembly.
L'invention concerne un ensemble isolé de tuyau compris dans un autre tuyau pourvu (a) d'au moins un tuyau interne, (b) d'un tuyau externe disposé autour du tuyau interne de manière à créer un espace annulaire entre les tuyaux interne et externe, (c) d'une matière compressible poreuse, résiliante placée dans ledit espace annulaire, et (d) d'un reste d'un contenant disposé antérieurement dans l'espace annulaire qui retenait auparavant ladite matière compressible dans un volume inférieur à celui de la matière compressible de l'espace annulaire. Cette invention a aussi pour objet un procédé de fabrication d'un tel ensemble isolé de tuyau compris dans un autre tuyau.
Dinon John L.
Du Plessis Andries
Johnson Aaron H.
Kalkstein Hobart C.
Maity Nirmalya
Cabot Corporation
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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