F - Mech Eng,Light,Heat,Weapons – 15 – D
Patent
F - Mech Eng,Light,Heat,Weapons
15
D
F15D 1/04 (2006.01) A62C 35/68 (2006.01) F16L 9/02 (2006.01) F16L 9/147 (2006.01) F16L 58/04 (2006.01)
Patent
CA 2652854
The present invention relates to in-line coating of a continuously moving substrate, such as a tube or conduit, preferably of the type used for applications such as fire sprinkler piping. The present invention includes a fire sprinkler pipe defining an internal pathway. The interior surface of the pipe is coated with a low friction material such as a fluoropolymer, silicone or epoxy composition.
Bussiere Robert D.
Laumann Bruce E.
Norvilas Stephen
Allied Tube & Conduit Corporation
Kirby Eades Gale Baker
LandOfFree
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