Resources Contact Us Home
Hardboard-like panel

Image Number 2 for United States Patent #4514448.

Hardboard-like panel having a core of wood fibres intimately mixed with asphalt forming 10-30% by weight of the core. The core is porous and contains 50% by volume of air cells. A resin-impregnated paper is glued to the core. The panel is preferably coated with a long life thermosetting acrylic finish, and used as an exterior siding. A process for making same is also described.

  Recently Added Patents
Method and system for dynamic control of digital media content playback and advertisement delivery
Methods and systems for managing an e-reader interface
Fuel cell system
Paper sheet processing device
Manual intraosseous device
Power diode including oxide semiconductor
  Randomly Featured Patents
Weather resisting extruded rubbery articles having on the surface thereof a thin layer of a colored rubbery material
Heater having an offset temperature detecting element and image heating apparatus having the heater
Signal acquisition apparatus and method for reducing false alarm rate
Double quarter turn fastener
Phosphorus-containing imide resins
Single stage continuous graft polymerization process and product
Refrigerant system with multi-speed scroll compressor and economizer circuit
Frequency stabilized laser
Guidance correction method and apparatus for copy paper path in a copier
Wireless communicator jacket with multiple operational stages