F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 11/04 (2006.01) F16L 11/08 (2006.01) F16L 11/14 (2006.01)
Patent
CA 2313539
A hose or flexible pipe (100; 200) which has an inner lining (116; 216) composed of fluoropolymer. This gives the hose an improved capacity to withstand high temperatures, chemical degradation, and embrittlement along with flexibility and light weight. The hose wall structure (102) is preferably fully bonded to improve support for the fluoropolymer lining (116; 216). The fluoropolymer lining (116; 216) also makes practicable the use of rubbers having the ability to withstand high temperatures. There is also described an assembly of such a hose or flexible pipe (100; 200) with an end fitting (300 + 400; 310 + 410) incorporating a novel pressure-actuated seal (500, 502; 600; 800)
L'invention concerne un tuyau flexible (100; 200) qui comprend un revêtement (116; 216) intérieur composé de polymère fluoré, ce qui donne au tuyau, outre sa flexibilité et sa légèreté, une résistance améliorée aux températures élevées, à la dégradation chimique et à la fragilisation. La structure (102) de la paroi du tuyau est, de préférence, complètement renforcée de manière à mieux soutenir le revêtement (116; 216) de polymère fluoré, lequel polymère fluoré permet l'utilisation de caoutchoucs résistant à des températures élevées. L'invention concerne également un assemblage de ce tuyau flexible (100; 200) avec un raccord terminal (300 + 400; 310 + 410) comprenant un joint (500; 502; 600; 800) actif sous pression.
Cameron Ip
Dixon-Roche Keith
Pipeflex Manufacturing Limited
LandOfFree
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