Patents Examined by J. Silvermann
  • Method for permanent mold casting with permanent mold casting powdery mold releasing agent
    Patent number: 5279749
    Abstract: A permanent mold casting powdery mold releasing agent according to this invention consists of a granulated or powdery mixture of a lubricant, an organic polymer and a metal soap; wherein the lubricant is coated with the organic polymer or the metal soap. Therefore, the mold releasing agent allows productions of castings of high quality, in a parmanent mold casting work, with good workability and without worsening environmental situations.
    Type: Grant
    Filed: July 21, 1992
    Date of Patent: January 18, 1994
    Assignee: Hanano Commercial Co., Ltd.
    Inventor: Takashi Hanano