Patents Assigned to Johnsen & Jorgensen (Plastics) Limited Company
  • Tamper-resistant screw closure
    Patent number: 4461391
    Abstract: A tamper-resistant screw closure for a bottle or the like having an external screw thread in which a cap with a top and a depending skirt and a tamper-resistant band below the skirt has spaced apart frangible tongues connecting with the skirt and the tamper-resistant band and the tamper-resistant band has internal projections engaging below the external projecting means on the bottle to resist movement of the band when the closure is unscrewed so that the frangible tongues break to show that the closure has been removed.
    Type: Grant
    Filed: November 26, 1982
    Date of Patent: July 24, 1984
    Assignee: Johnsen & Jorgensen (Plastics) Limited Company
    Inventor: Eugene E. Davis