Patents Assigned to Teichiku Co., Ltd.
  • Upright injection-compression pressing machine for the manufacture of information carrier discs
    Patent number: 4427353
    Abstract: An upright injection-compression pressing machine for the manufacture of information carrier discs, such as photograph records and video discs, has a mold clamper assembly including a pair of stamper bearing molds movable relative to each other in a vertical direction towards and away from each other, and an injector assembly mounted on the clamper assembly in alignment with the direction of the relative movement of the molds.
    Type: Grant
    Filed: December 22, 1981
    Date of Patent: January 24, 1984
    Assignees: Matsushita Electric Industrial Co., Ltd., Teichiku Co., Ltd., Nissei Plastic Industrial Co., Ltd.
    Inventors: Shoji Omiya, Masaaki Sunohara, Tokihalu Nakagawa, Seiji Inagaki, Junnosuke Yamawaki, Nobuyuki Nakamura, Kaoru Yanagisawa