Patents Assigned to Sato Factory Co., Ltd.
  • Patent number: 6960143
    Abstract: A molded golf tee prepared by molding a molding material composed of sand and at least a predetermined quantity of binder in a mold, the molded golf tee having a concave hollow portion with a predetermined depth from an upper end, is provided. According to this, when the golf tee is hit with a club for hitting a ball, the golf tee including a concave hollow portion breaks into pieces, so that resistance (impact pressure) is reduced when the golf tee is hit with the club.
    Type: Grant
    Filed: April 25, 2003
    Date of Patent: November 1, 2005
    Assignee: Sato Factory Co., Ltd.
    Inventor: Akiyoshi Sato
  • Patent number: 4921417
    Abstract: A molding apparatus for molding a clay pigeon includes a bypass tube having a tip disposed in a blow orifice communicating with a cavity of a metal mold in the form of the clay pigeon. The bypass tube has a diameter smaller than that of the blow orifice and compressed air, which leads molding material in the blow orifice, passes therethrough in order to supply the molding material mixture of at least sand and hardening agent to the cavity, whereby corners and details of the cavity are satisfactorily filled with the molding material supplied to the cavity.
    Type: Grant
    Filed: December 19, 1988
    Date of Patent: May 1, 1990
    Assignee: Sato Factory Co., Ltd.
    Inventor: Akiyoshi Sato