B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
189/28, 189/49
B32B 3/10 (2006.01) C08K 3/28 (2006.01) F16L 59/02 (2006.01) F16L 59/12 (2006.01) F16L 59/14 (2006.01)
Patent
CA 1061727
THERMALLY INSULATING DUCT LINER ABSTRACT Disclosed herein is a flexible thermally insulating duct liner comprising a fibrous thermal insulation layer having an organic fibrous layer having an open structure bonded to its working face, the working face being thereafter coated with a flame retardant vinyl polymer containing coating. The duct liner of the present invention has an extremely smooth surface which reduces air friction to a minimum. Still the product is very flexible, easy to work with, and resistant to delamination or working surface failure.
273627
Kopy Daniel P.
Ray Richard J. (jr.)
Rohweder Theodore R.
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