Patents by Inventor Rosemary Rourke

Rosemary Rourke 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).

  • Laminates structure of an expanded core panel and a flat sheet of material which does not easily bond and a process for making the same
    Patent number: 4315050
    Abstract: A method of bonding a sheet of hard to bond thermoformable material to a core made of expanded thermoformable material is disclosed. The sheet of thermoformable material is heated to its glass transition temperature and then pressed into voids in the core forming a mechanical bond in addition to the chemical bond.
    Type: Grant
    Filed: January 25, 1980
    Date of Patent: February 9, 1982
    Assignee: Norfield Corporation
    Inventor: Rosemary Rourke
  • Process for expanding thermoformable materials having clear surfaces and the resultant products
    Patent number: 4315051
    Abstract: A process for producing a clear surface on expanded thermoformable material is disclosed. A film layer of non bondable plastic material is disposed adjacent the clear plastic material to be expanded. After the expansion process the film layer is removed leaving a clear smooth surface.
    Type: Grant
    Filed: January 25, 1980
    Date of Patent: February 9, 1982
    Inventor: Rosemary Rourke
  • Vented heated platen
    Patent number: 4264293
    Abstract: A vented platen capable of being heated or cooled is disclosed wherein a plurality of heat exchange channels bored through the width of a plate member are arranged in a plane. The plate member has a plurality of openings on a surface that are vented by vent passages disposed on a plane substantially parallel to the plane of the heat exchange channels.
    Type: Grant
    Filed: January 25, 1980
    Date of Patent: April 28, 1981
    Assignee: Norfield Corporation
    Inventor: Rosemary Rourke