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
Systems and methods for dissipating an electric charge while insulating a structure
Fuel cell with air channel actuator
Elegant solutions for fingerprint image enhancement
Battery pack with interchangeable circuit substrates
Decrementing settings for a range of power caps when a power cap is exceeded
Sequential control device for a striking mechanism
Simultaneous wafer bonding and interconnect joining
  Randomly Featured Patents
Pre-recorded media package and display
Rapid transit car electrical coupling apparatus and method
Method for improving the efficiency of transparent thin film antennas and antennas made by such method
Surface modified anticancer nanoparticles
Multipurpose tool
Member for producing castings
Automated mapping of facial images to animation wireframes topologies
Systems and methods for processing data objects
Transport and fitting stand
Systems, methods, and apparatus for otoacoustic protection of autonomic systems