F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 9/16 (2006.01) B28B 21/72 (2006.01) F16L 9/14 (2006.01)
Patent
CA 2191748
A composite concrete pipe (10) in which both the inner (12) and outer (14) surfaces are plastic. The pipe may be formed of any diameter by forming the inner and outer plastic surfaces from helically wrapped interlocking plastic strips to form the diameters desired.
La présente invention concerne un tuyau composite de béton (10) dont la surface intérieure (12) aussi bien que la surface extérieure (14) sont en plastique. On peut donner au tuyau n'importe quel diamètre en réalisant les surfaces plastiques intérieure et extérieure au moyen de bandes plastiques bloquantes enroulées de façon hélicoïdale jusqu'à atteindre le diamètre désiré.
Schumacher Mark W.
Sterling Raymond L.
Gowling Lafleur Henderson Llp
Pipeform Llc
LandOfFree
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