Patents Assigned to Sakurai Art Casting, Ltd.
  • Investment casting process
    Patent number: 5678624
    Abstract: An investment casting process which includes: attaching a gate to a pattern made of a plastic to form a pattern assembly; forming a mold by applying a plaster slurry on an outer surface of the pattern assembly; dissolving and removing the pattern assembly in the mold by applying an organic solvent; burning the mold from which the pattern has been removed; casting by pouring a molten metal into the burned mold; and breaking the mold to take out a cast product.
    Type: Grant
    Filed: October 3, 1995
    Date of Patent: October 21, 1997
    Assignee: Sakurai Art Casting, Ltd.
    Inventor: Junichi Sakurai