Patents by Inventor Robert C. Shebuski

Robert C. Shebuski 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).

  • Patent number: 4566520
    Abstract: A method for removing a casting from a sandbox, the method comprising the steps of rotating a sandbox including therein a casting embedded in sand so as to dump the sand from the sandbox, holding the casting while the sand is being dumped so as to maintain a substantially stationary relationship between the casting and the sandbox, and removing the casting from the sandbox after a portion of the sand has been dumped.
    Type: Grant
    Filed: June 15, 1984
    Date of Patent: January 28, 1986
    Assignee: Outboard Marine Corporation
    Inventor: Robert C. Shebuski
  • Patent number: 4565227
    Abstract: A process and apparatus for surrounding a mold pattern with sand, the mold pattern including an inner cavity having a bottom. The process comprises the steps of holding the mold pattern in a mold flask, and depositing sand into the mold flask outside the mold pattern and into the inner cavity of the mold pattern such that, when the level of the sand outside the mold pattern is adjacent the level of the bottom of the inner cavity, the levels of the sand inside the inner cavity and outside the mold pattern are maintained the same as the mold flask is filled with sand.
    Type: Grant
    Filed: June 15, 1984
    Date of Patent: January 21, 1986
    Assignee: Outboard Marine Corporation
    Inventor: Robert C. Shebuski