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 automatically identifying wireless signal quality of a region
Bi-level switching with power packs
Apparatus and method for sterilizing vessel with electron beam
Program recording medium, image processing apparatus, imaging apparatus, and image processing method
Video-recording reservation management apparatus, method, program, and system
Medical diagnosis, therapy, and prognosis system for invoked events and methods thereof
Controller for soldering iron
  Randomly Featured Patents
Method and apparatus for cleaning metallic workpieces
Stacking device and printed sections in the form of cartridges
Para-polyfluoroisopropyl-anilino-2-oxazoline compounds, pharmaceutical compositions and method of treating hypertension
Plastic clip with resilient thread segments and hinged clasp
Pumpkin cookie die
Fabrication of integrated circuits incorporating in-process avoidance of circuit-killer particles
Optical system including a reflecting polarizer for a rear projection picture display apparatus
Barbecue grill apparatus
Shirt with pocket
Lock stitch machine