Patents Assigned to E. C. P., Inc.
  • Method and apparatus for making continuous foam glass product
    Patent number: 4038063
    Abstract: A continuous process for the manufacture of cellular ceramic product. Ceramic feed material is transported successively through a preheat kiln section, through a foaming section whereat foaming agent mixed with the ceramic feed material is activated, and into a drawing kiln section. An elongate hollow product can be formed by drawing the foamed ceramic while soft around and past a hollow mandrel to form an elongate hollow cylindrical member.
    Type: Grant
    Filed: December 17, 1975
    Date of Patent: July 26, 1977
    Assignee: E. C. P., Inc.
    Inventors: Tudor Williams, John D. Bost