Patents by Inventor Samuel J. LaLama

Samuel J. LaLama 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).

  • Taphole assembly and method of installation
    Patent number: 4328956
    Abstract: A taphole assembly comprises three refractory pieces: (1) a monolithic central block with a hole for the passage of molten metal and (2) upper and lower wedge supports for the central block. The purpose of the assembly is to position the taphole between parallel layers of lining brick with the metal conducting hole at an angle to the lining brick surfaces. The assembly is installed by supporting the central block on a counterweighted bar in position in the furnace, and constructing the furnace lining around the assembly.
    Type: Grant
    Filed: December 24, 1980
    Date of Patent: May 11, 1982
    Assignee: Kaiser Aluminum & Chemical Corporation
    Inventors: Samuel J. LaLama, Paul T. Fennema