Patents Assigned to Kabushiki Kaisha Toyo Seat (Toyo Seat Ltd.)
  • Patent number: 5474734
    Abstract: A parison is hung down between a pair of molding metallic molds in the opened state, expanding members are contacted with the specified portions of the parison, and after setting the temperature difference between the specified portions and other portions in accordance with a pre-set thickness ratio between both portions after forming thereof, the expanding members are moved while cooling the specified portions of expanding members so as to extend and thin the portions other than the specified portions of the parison, and the metallic molds are closed together so as to blow compressed air into the parison to effect blow-molding.
    Type: Grant
    Filed: February 19, 1993
    Date of Patent: December 12, 1995
    Assignees: Kabushiki Kaisha Toyo Seat (Toyo Seat Ltd.), Nishikawa Kasei Co., Ltd., Mazda Motor Corporation
    Inventors: Terumi Akazawa, Takafumi Yamane, Kazunobu Nakamori, Takeyuki Uchida, Masao Hara, Kazuhisa Toh
  • Patent number: 5130074
    Abstract: A method for manufacturing a skin-covered article includes setting a skin mber having a top portion and a side portion in a mold assembly including an upper mold having a first cavity, a second cavity, and an enclosing projection, and a lower mold having an upper wall and a peripheral portion by covering the skin member over the lower mold with the back surface of the skin member being turned outside, coupling the upper mold and the lower mold to close the first cavity by the top portion to define a pad forming space with the enclosing projection pressing the top portion against the upper wall, and to close the second cavity by the peripheral portion to define a housing space to house the side portion, and introducing pad material into the pad forming space.
    Type: Grant
    Filed: August 1, 1990
    Date of Patent: July 14, 1992
    Assignees: Kabushiki Kaisha Toyo Seat (Toyo Seat Ltd.), Chugoku Kasei Kogyo Kabushiki Kaisha (Chugoku Kasei Kogyo Co., Ltd.)
    Inventors: Kunihiko Sakamoto, Terumi Akazawa, Yoshiaki Matsuo, Harumi Suehiro