Hook Loops Patents (Class 54/17)
  • Patent number: 6489000
    Abstract: A cushion includes a three-dimensional net, a plurality of metallic fastening members attached to the three-dimensional net on opposite sides thereof, and two resinous frames attached to the opposite sides of the three-dimensional net, respectively. The metallic fastening members are sandwiched between the resinous frames and the opposite sides of the three-dimensional net, and the resinous frames together with the metallic fastening members are joined to the three-dimensional net by vibration welding.
    Type: Grant
    Filed: March 15, 2000
    Date of Patent: December 3, 2002
    Assignee: Delta Tooling Co., Ltd.
    Inventors: Yumi Ogura, Etsunori Fujita, Kazuyoshi Chizuka, Masaki Nishino, Seiji Kawasaki