For Inlet With Externally Engaged Flap Or Closure Member Patents (Class 141/350)
  • Removable seal for liquid containers
    Patent number: 3941270
    Abstract: A removable seal for a liquid container comprising a flexible liquid impervious sealing member for sealing an end of the container which sealing member is held against the end by a screw closure having a perforate top wall so that application of pressure upon the sealing member through the top wall disengages the sealing member.
    Type: Grant
    Filed: January 25, 1974
    Date of Patent: March 2, 1976
    Assignee: Allied Chemical Corporation
    Inventor: Burton A. Spielman