Patents Assigned to Minoru Industrial Co., Ltd.
  • Patent number: 4951986
    Abstract: A plastic bumper for use in an automobile includes a front wall member generally having a U-shape cross-section, and a rear wall member having a mid portion intermittently indented to form a plurality of pyramid frustum shaped recesses. An outer end face of each pyramid frustum recess is adhered to an inside face of said front wall member. Thus, the bumper is reinforced with respect to vertical and horizontal impacts.
    Type: Grant
    Filed: December 20, 1989
    Date of Patent: August 28, 1990
    Assignee: Minoru Industrial Co., Ltd.
    Inventors: Kunio Hanafusa, Naoshige Fukuhara, Takaaki Tachibana