Patents Assigned to Poranunt Co., Ltd.
  • Container with lid strongly lockable thereto
    Patent number: 5730309
    Abstract: A container lid and container body locking mechanism includes a plurality of annular flanges and annular notch rings respectively and spaced apart in a pre-determined configuration so as to provide a tight leak-proof seal when the lid is fitted over the container body. A tamper proof detachable strip is provided in the container lid.
    Type: Grant
    Filed: September 14, 1995
    Date of Patent: March 24, 1998
    Assignee: Poranunt Co., Ltd.
    Inventors: Prajak Jiradejnunt, Glenn N. Tyler