Patents by Inventor Uwe Heissler

Uwe Heissler 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).

  • Valve pin bushing assembly for an injection molding apparatus
    Patent number: 8113812
    Abstract: A valve pin bushing assembly for an injection molding apparatus. The assembly includes a bushing body for connection to a manifold, a flexible barrier having a first end that is continuously connected to the bushing body, and a valve pin continuously connected to a second end of the flexible barrier. The valve pin extends through a nozzle in a downstream direction towards a mold gate, wherein the valve pin is movable in an upstream direction and in the downstream direction for opening and closing the mold gate. The flexible barrier seals a channel of molding material from an outside space.
    Type: Grant
    Filed: July 17, 2008
    Date of Patent: February 14, 2012
    Assignee: MOld-Masters (2007) Limited
    Inventors: Uwe Heissler, Harold Godwin, Douglas Ursu
  • Valve Pin Bushing Assembly For An Injection Molding Apparatus
    Publication number: 20100209547
    Abstract: A valve pin bushing assembly for an injection molding apparatus. The assembly includes a bushing body for connection to a manifold, a flexible barrier having a first end that is continuously connected to the bushing body, and a valve pin continuously connected to a second end of the flexible barrier. The valve pin extends through a nozzle in a downstream direction towards a mold gate, wherein the valve pin is movable in an upstream direction and in the downstream direction for opening and closing the mold gate. The flexible barrier seals a channel of molding material from an outside space.
    Type: Application
    Filed: July 17, 2008
    Publication date: August 19, 2010
    Applicant: MOLD-MASTERS (2007) LIMITED
    Inventors: Uwe Heissler, Harold Godwin, Douglas Ursu