F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 59/00 (2006.01)
Patent
CA 2147443
A fibrous insulation duct wrap for application to an exterior surface of a sheet metal air duct or to a sheet metal strip that is formed into a sheet metal air duct comprises first and second major surfaces. The first major surface of the duct wrap has a vapor impermeable facing adhered thereto to provide a vapor barrier to prevent moisture from condensing on the air duct. The second major surface has an adhesive coating for adhering the duct wrap to the air duct. and to encapsulate loose fibers and dust within said second major surface. The adhesive coating is covered by a separable release sheet which, in conjunction with the adhesive, encapsulates fibers and dust within the second major surface. The release sheet is removed immediately prior to applying the duct wrap to the sheet metal. The adhesive coating is applied to the second major surface of the duct wrap by applying the release sheet, already coated with the adhesive, to the surface.
Clark Robert Edward
Matthews Kent Russell
Macrae & Co.
Schuller International Inc.
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