F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 39/00 (2006.01) F16L 58/08 (2006.01) F16L 59/14 (2006.01)
Patent
CA 2443421
The double-skinned tube for the fluid transport of abrasive solids, in particular, of concrete, comprises a hardened inner tube (2), an outer tube (3), made from a steel which can be welded, terminal coupling collars (4), made from a steel which can be welded and a thermal insulation layer (7) between the inner tube (2) and the outer tube (3). The thermal insulation layer (7) can be formed by a coating of a combustible, non-metallic material, such as for example a rust-proofing agent, applied to the external surface (11) of the inner tube (2) and/or the internal surface of the external tube (3).
Un tube double couche destiné au transport de matières solides abrasives, notamment de béton, présente un tube interne trempé (2), un tube externe (3) réalisé dans un acier soudable, des colliers de couplage terminal (4) réalisés dans un acier soudable et une couche thermo-isolante (7) intercalée entre le tube interne (2) et le tube externe (3). La couche thermo-isolante (7) peut être constituée d'un revêtement appliqué sur la surface externe (11) du tube interne (2) et/ou sur la surface interne du tube externe (3), ce revêtement étant un matériau non métallique combustible, par exemple une peinture anti-rouille.
Esser-Werke Kg
Fetherstonhaugh & Co.
LandOfFree
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