Patents by Inventor Curtis J. Houk

Curtis J. Houk has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5158523
    Abstract: An apparatus for emboss bonding two or more lightweight cellulosic webs to form a multi-ply article, the apparatus including a first cylindrical roll having a metal surface and being disposed for rotation about a cross machine rotation axis, an etched area of the surface of the first roll defining a pattern having pedetermined dimensions for forming proximate the perimeter of the article an emboss bond, the etched area comprising a plurality of truncated right rectangular pyramidal cavities in the roll surface disposed in adjacent relationship in the machine direction and the cross machine direction, and a second cylindrical roll disposed to cooperatively rotate with the first roll and to define therewith a nip for engaging the webs, the second roll having an impressionable surface capable of conforming under pressure to the etched area or having an etched area defining a complementary pattern for meshing engagement with the etched area on the first roll.
    Type: Grant
    Filed: September 17, 1990
    Date of Patent: October 27, 1992
    Assignee: James River Corporation of Virginia
    Inventors: Curtis J. Houk, Edward Giesler