Patents Assigned to Awaji Sangyo Kabushikikaishi
  • Patent number: 4150713
    Abstract: A flexible pattern for forming casting molds can be withdrawn from the mold, without need of partitioning and reassembling, and includes a pattern member made by coupling a plurality of outer plates, having a configuration corresponding to a desired predesigned casting, by means of joint members, which are freely removable, and an airtight bag installed in the inner periphery of the pattern member. The pattern member and the airtight bag are united in a single body.
    Type: Grant
    Filed: March 21, 1977
    Date of Patent: April 24, 1979
    Assignee: Awaji Sangyo Kabushikikaishi
    Inventor: Mitushi Mio