Patents by Inventor William Allan Hunter

William Allan Hunter 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).

  • Method and apparatus for conveying sand molds to a metal pouring machine
    Patent number: 7637303
    Abstract: Method and apparatus for feeding sand molds from multiple sand mold forming stations to a common metal pouring station. The method and apparatus of this invention utilize walking-beam-type conveyors having spaced apart fixed outboard rails and a central reciprocating rail. Walking-beam conveyors are disposed in perpendicular directions with a junction therebetween that allows for a perpendicular change in direction. The method and apparatus of this invention allow multiple parallel walking-beam conveyors to feed sand molds to a single junction for transfer to a metal pouring station.
    Type: Grant
    Filed: August 7, 2006
    Date of Patent: December 29, 2009
    Assignee: Hunter Automated Machinery Corporation
    Inventor: William Allan Hunter
  • Method and apparatus for conveying sand molds to a metal pouring machine
    Publication number: 20080029238
    Abstract: Method and apparatus for feeding sand molds from multiple sand mold forming stations to a common metal pouring station. The method and apparatus of this invention utilize walking-beam-type conveyors having spaced apart fixed outboard rails and a central reciprocating rail. Walking-beam conveyors are disposed in perpendicular directions with a junction therebetween that allows for a perpendicular change in direction. The method and apparatus of this invention allow multiple parallel walking-beam conveyors to feed sand molds to a single junction for transfer to a metal pouring station.
    Type: Application
    Filed: August 7, 2006
    Publication date: February 7, 2008
    Inventor: William Allan Hunter