Patents Assigned to Standard Steel Sponge, Inc.
  • Patent number: 4424956
    Abstract: A drapable, consumable, heat retention shield for hot metal cars has a fibrous refractory sheet disposed between two metallic lattices, the lattices connected by fastening means to retain the sheet to form a panel having a bottom wall, upstanding side walls and a flange extending outwardly from the side walls. In one embodiment the metallic lattices substantially cover the fibrous refractory sheet, while in another embodiment cross strips of metallic lattices are used with a combustible supporting frame provided about the periphery of the fibrous refractory sheet to support the same.
    Type: Grant
    Filed: April 14, 1982
    Date of Patent: January 10, 1984
    Assignee: Standard Steel Sponge, Inc.
    Inventors: Louis A. Grant, Arthur F. Trunzo
  • Patent number: 4424957
    Abstract: A consumable heat retention shield for retaining the heat of the interior lining of a hot metal car includes a combustible framework having a bottom wall, upstanding walls and a flange, with the surface thereof that is to be directly exposed to the hot metal car covered with a layer of refractory material, with the shield being manually positioned on the hot metal car by workmen, and the shield consumable upon pouring of molten metal upon the shield and through the mouth of the hot metal car. Preferably, the shield has a metallic filler material in a cavity thereof to provide additional weight to the shield, which metallic filler material is compatable with the molten metal charged to the hot metal car.
    Type: Grant
    Filed: January 25, 1982
    Date of Patent: January 10, 1984
    Assignee: Standard Steel Sponge, Inc.
    Inventors: Louis A. Grant, Arthur F. Trunzo