Fiber glass air duct with coated interior surface containing an

Details Fiber glass air duct with coated interior surface containing an Fiber glass air duct with coated interior surface containing an

1993-05-26

1995-01-10

Bryant, III, James E.

Pipes and tubular conduits

Distinct layers

With intermediate insulation layer

138103, 138110, 138137, 138141, 138177, 138178, F16L 914

Patent

active

053798066

ABSTRACT:
A rigid fiber glass air duct for conveying an airstream has an interior surface, adapted to be in contact with the airstream, which is coated with a polymeric coating with an organic biocide. The polymeric coating has a dry solids content of between 10 and 20 grams per square foot of duct board surface and retains its abrasion strength and puncture resistance whereby the interior surface of the duct can be cleaned by conventional industrial or commercial cleaning methods while in service without exposing glass fibers to the airstream.

REFERENCES:
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patent: 3216459 (1965-11-01), Schroeder et al.
patent: 3557840 (1971-01-01), Maybee
patent: 3628572 (1971-12-01), Shannon
patent: 3654966 (1972-04-01), Waksman
patent: 3818948 (1974-06-01), Hedges
patent: 3926894 (1975-12-01), Clark
patent: 4310585 (1982-01-01), Shannon
patent: 4395159 (1983-07-01), Karuks et al.
patent: 4557297 (1985-12-01), Montana
patent: 4990370 (1991-02-01), Terry et al.
Owens-Illinois Glass Company Brochure, "Fiberglass Insulation For Industrial Uses", Jan. 26, 1939.

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