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
Touch-sensitive device and communication device
Methods and apparatus for dynamic identification (ID) assignment in wireless networks
Mechanisms for marking the orientation of a sawed die
Transcription factor
Surface acoustic wave resonator for down-hole applications
Organic light emitting diode display device and method of fabricating the same
EpCAM as a reprogramming factor for non-pluripotent cells
  Randomly Featured Patents
Artificial heart and method of pumping blood
Control method for a fuel injection engine
Turbine assembly for generating electricity in vehicles
Object location
Method to make effervescent calcium tablets and calcium tablets produced thereby
Apparatus, methods and systems for handling and processing waste material
EMP-charge eliminator
Real-time in-line detection of malicious code in data streams
Linear position detector including a phase shifter and a sample-and-hold circuit for synchronizing a sample pulse period with the reference period of the equilibrium modulated signal
Race condition ordering and functional verification system and method