Air duct containing an organic liner material

Details Air duct containing an organic liner material Air duct containing an organic liner material

2006-11-28

2006-11-28

Hook, James (Department: 3754)

Pipes and tubular conduits

Distinct layers

With intermediate insulation layer

C138S141000, C138SDIG010

Reexamination Certificate

active

07140396

ABSTRACT:
Provided is an air duct suitable for conducting a flow of air. The air duct includes a central layer formed from a fiber glass. The central layer has an inner surface and an outer surface. The air duct also includes a liner layer arranged adjacent to the inner surface of the central layer. The liner layer is formed from an organic material and is substantially free of fiber glass, or is formed from polyester and rayon. The central layer and liner layer are arranged to define a channel for conducting a flow of air.

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