Resources Contact Us Home
Duct board with water repellant mat

Image Number 8 for United States Patent #7223455.

A duct board or duct liner comprises: an insulating layer formed from fibrous material bound with a resin binder, an outer facing layer adhered to an outer surface of the insulating layer, and a water repellant mat facing adhered to an interior surface of the insulating layer opposite the outer surface to form a duct board material. The mat facing provides sufficient water repellency to repel a mixture of about 40% isopropanol and about 60% water. The duct board or duct liner material may be formed into a tubular shape capable of conducting air, with the mat facing on the interior of the tubular shape.

  Recently Added Patents
System and method of supplying an electrical system with direct current
In-vehicle communication system and method of operation
Method and apparatus for automatically controlling gas pressure for a plasma cutter
Systems and methods for providing a shared folder via television
Method of hydrothermal liquid phase sintering of ceramic materials and products derived therefrom
Electronic device
Systems, methods, and computer readable media for providing information related to virtual environments to wireless devices
  Randomly Featured Patents
Hydroformylation process
Processor with sleep and deep sleep modes
Apparatus and method for electromagnetically detecting the passing of a plug released into a well by a bridge circuit
Rotational deviation detecting method and system using a periodic pattern
Methods and apparatus for retrieving images from a large collection of images
Digital album or book
Method and apparatus for phaco-emulsification
Mammalian Retrotransposons
System and method for power factor correction
Bicycle front suspension