Title:
MOISTURE REPELLENT AIR DUCT PRODUCTS
Document Type and Number:
WIPO Patent Application WO2002066877
Kind Code:
A3
Abstract:
Water-resistant fibrous air duct insulation products and methods for making such products. The products may include a duct board or a duct tube including a first layer of resin-bonded fibrous mat having a second layer of durable, preferably non-woven, facing material adhered thereto, wherein the facing material defines the air stream surface for the board or tube. The duct board or tube is preferably rendered water repellent at the air stream surface by incorporating a hydrophobic agent into the adhesive used to adhere the second layer to the first layer.
Inventors:
TOAS MURRAY S
RUID JOHN O
RUID JOHN O
Application Number:
PCT/IB2002/001832
Publication Date:
December 05, 2002
Filing Date:
February 19, 2002
Export Citation:
Assignee:
SAINT GOBAIN ISOVER (FR)
International Classes:
A61M39/00; B32B17/04; B32B19/02; B32B27/04; F16L59/02; (IPC1-7): B32B27/04; B32B17/04; F24F13/00; F24F13/02
Foreign References:
| US5783268A | 1998-07-21 | |||
| US4407999A | 1983-10-04 | |||
| US3519580A | 1970-07-07 |
Download PDF:
Previous Patent: VALVE WITH FLUID PRESSURE REDUCTION DEVICE WITH INTEGRAL GUIDES
Next Patent: FLEXIBLE DUCT WITH SHRINKAGE-PROOF FILM
Next Patent: FLEXIBLE DUCT WITH SHRINKAGE-PROOF FILM