Patents by Inventor Arthur H. Roberts

Arthur H. Roberts 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).

  • Molded solid plastics articles and a method for their manufacture
    Patent number: 3949125
    Abstract: This invention relates to composite articles of manufacture and to a method for the preparation of these articles. The articles are impact-resistant, three-dimensional and rigid. The articles are comprised of two essential elements: (1) A pliable, hollow premolded outer plastics layer and (2) an essentially rigid non-cellular organic plastics structural backing member solidified in the hollow interior of the plastics skin, and essentially solidly filling said hollow interior. The hollow outer layer is prepared in a manner to have an access opening to its hollow interior. A liquid plastics composition is next prepared in a separate step that comprises an organic binder which solidifies at room temperature, in most cases by converting to a thermoset stage. This liquid composition is then introduced through the access opening into the cavity of the premolded outer layer.
    Type: Grant
    Filed: March 8, 1974
    Date of Patent: April 6, 1976
    Inventor: Arthur H. Roberts
  • Rigid plastics tile with textured surface
    Patent number: 3940528
    Abstract: Rigid composite impact resistant textured tiles having a pliable and essentially void-free plastics facing component and a rigid backing component, are prepared by a specified sequential operation.
    Type: Grant
    Filed: December 17, 1971
    Date of Patent: February 24, 1976
    Inventor: Arthur H. Roberts