Patents by Inventor Ernest W. Looman

Ernest W. Looman 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).

  • Apparatus for forming a coextrusion from extruded strips
    Patent number: 5017118
    Abstract: A laminated roller die extension assembly (22) for mounting in a die holder (24) including a grooved die member (32) with a grooved surface (34) and a plate die (44) with a flat surface abutting the grooved surface (34) forming a preformer passage (54) in communication with an opening at a cylindrical surface (26) of the roller die extrusion assembly (22), and the plate die (44) having an indented edge (68) for guiding and shaping a strip applied through the opening onto a roller die (28) which is rotated past the opening.
    Type: Grant
    Filed: July 31, 1990
    Date of Patent: May 21, 1991
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Ernest W. Looman, Harold A. Wolbert