Patents Assigned to Enviro-Ply International, Inc.
  • Patent number: 6638393
    Abstract: The present invention comprises apparatus for the manufacture improved structural panel with synthetic ingredients, such as vermiculite and fibers. The improved structural panel achieves enhanced lateral and surface integrity by the use of fibers within the core of the structural panel and adhesives and smooth materials (such as foil) as a surface coating. The apparatus is particularly suited for manufacture of the structural panel at low cost and high efficiency.
    Type: Grant
    Filed: November 9, 2001
    Date of Patent: October 28, 2003
    Assignee: Enviro-Ply International, Inc.
    Inventor: Warren Lehan
  • Patent number: 6596214
    Abstract: The present invention comprises a method for the manufacture improved structural panel with synthetic ingredients, such as vermiculite and fibers. The improved structural panel achieves enhanced lateral and surface integrity by the use of fibers within the core of the structural panel and adhesives and smooth materials (such as foil) as a surface coating. The method is particularly suited for manufacture of the structural panel at low cost and high efficiency.
    Type: Grant
    Filed: November 9, 2001
    Date of Patent: July 22, 2003
    Assignee: Enviro-Ply International, Inc.
    Inventor: Warren Lehan