Patents Assigned to Chronos Richardson, Inc.
  • Bag clamping apparatus
    Patent number: 6226963
    Abstract: Valving employed to control side closing elements of bag clamping apparatus of a bag filling machine is altered to cause the elements to move slowly to close the sides of a bag being filled whereby air is permitted to escape externally through slowly closing openings at the sides of the bag. At a predetermined time determined by the size and contents of the bag the openings are closed rapidly thereby sealing the bag once fitted.
    Type: Grant
    Filed: June 10, 1997
    Date of Patent: May 8, 2001
    Assignee: Chronos Richardson, Inc.
    Inventors: Gerald J. Rychlak, Robert Hemphill