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
Methods and systems for use in tracking targets for direction finding systems
Interface circuit
Automatic misalignment balancing scheme for multi-patterning technology
Optoelectronic component and method for producing an optoelectronic component
Security patch update processor
Toner for developing electrostatic charge image, electrostatic charge image developer, toner cartridge, process cartridge, image forming method, and image forming apparatus
Tuning peg for a stringed instrument
  Randomly Featured Patents
Production device and production method for an optical device component having a grating structure
Electronic license plate apparatus and method
Dredge units
System for defrosting frozen packed products
Faucet body
Security systems and methods applicable to an electronic monetary system
Infusion status indicator
Mould for electroslag casting of faceted metal ingots
Context-based display technique with hierarchical display format
Phase adjustment method and apparatus for use in a clock recovery circuit