Patents Assigned to Castone Development Corporation
  • Patent number: 4098563
    Abstract: A system for manufacturing concrete products comprising: storage apparatus for supplying raw materials; mixer assembly positioned to receive raw materials from the storage means and for mixing the raw materials with liquids to form a wet concrete mixture; receiver assembly adjacent the mixer assembly for receiving wet concrete mixture therefrom; mold assembly positioned to receive wet concrete mixture from the receiver assembly; and cubing assembly adjacent the mold assembly for successively receiving precured products from the mold assembly and stacking them in layers.
    Type: Grant
    Filed: January 13, 1977
    Date of Patent: July 4, 1978
    Assignee: Castone Development Corporation
    Inventor: Douglas F. Prince
  • Patent number: 4036575
    Abstract: A system for manufacturing concrete products including: mixing apparatus for continuously mixing liquid and raw materials to form a wet concrete mixture; receiver apparatus adjacent the mixing apparatus for receiving the wet concrete mixture and maintaining therein at least a predetermined static head; and mold apparatus positioned to repeatedly receive precompacted wet concrete mixture charges from the receiver apparatus.
    Type: Grant
    Filed: June 9, 1975
    Date of Patent: July 19, 1977
    Assignee: Castone Development Corporation
    Inventor: Douglas F. Prince