Reinforced flexible duct with integral molded liner and...

Details Reinforced flexible duct with integral molded liner and... Reinforced flexible duct with integral molded liner and...

F - Mech Eng,Light,Heat,Weapons

16

L

189/35, 18/778

F16L 9/00 (2006.01) B29C 53/78 (2006.01) F16L 11/00 (2006.01) F16L 11/112 (2006.01)

Patent

CA 1089781

ABSTRACT OF THE DISCLOSURE The reinforced flexible duct consists of a single- or double-ply reinforcing fabric, a wire helix, and a continuous extruded liner. The fabric, wire helix, and extruded liner are continuously helically wound on a mandrel. The freshly extruded liner adheres to itself, to the helically wound wire, and to the reinforcing fabric to form a continuous reinforced flexible duct. Optionally, a narrower continuously extruded and wound scuff strip can be wound over the wire helix.

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