F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
189/47
F16L 59/147 (2006.01) F16L 59/14 (2006.01) F16L 59/153 (2006.01)
Patent
CA 1281662
A B S T R A C T FIRE RESISTANT PLASTIC PIPE A plastic pipe is coated at the outer surface thereof with a thermal insulating layer comprising phenolic foam. This layer is enclosed in an integrity retaining layer comprising fibres, such as glassfibres, which fuse together upon exposure to fire, thereby providing mechanical strength to the foam if the pipe is exposed to fire.
533539
Collins Michael Harry
Marks Paul Robert
Shell Internationale Research Maatschappij B.v.
Smart & Biggar
LandOfFree
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