Patents Assigned to Huntsman KCL Corporation
  • Patent number: 6499272
    Abstract: Methods for forming, filling, and sealing a flexible recloseable container. Both vertical and horizontal methods for placing product within the container are disclosed. The invention includes guiding a web of film which has interlocking fastener strips sealed to the web. A slider for locking and unlocking the fastener strips is placed in the correct orientation, spread apart at a pair of inner feet, and inserted over the fastener strips. The slider is positioned to close a substantial portion of the strips, and then an end stop, docking station, and comer seal are formed against a sealing plate. The slider is then repositioned, and a tamper evident seal may be placed over the fastener strip. Placing a product in a flexible recloseable container.
    Type: Grant
    Filed: February 27, 2001
    Date of Patent: December 31, 2002
    Assignee: Huntsman KCL Corporation
    Inventor: Ronald G. Thieman
  • Patent number: 6257763
    Abstract: A plastic film bag includes a reclosable closure which is opened and closed by a slider. The bag includes a tamper evident sheet closing off the bag mouth. Alternatively the tamper evident means consists of a hood which encloses the slider and reclosable closure.
    Type: Grant
    Filed: June 4, 1998
    Date of Patent: July 10, 2001
    Assignee: Huntsman KCL Corporation
    Inventors: Robert C. Stolmeier, Ronald G. Thieman, James W. Burke, Thomas P. O'Connor
  • Patent number: 6216423
    Abstract: Apparatus and methods for forming, filling, and sealing a flexible recloseable container. Both vertical and horizontal methods for placing product within the container are disclosed. The invention includes guiding a web of film which has interlocking fastener strips sealed to the web. A slider for locking and unlocking the fastener strips is placed in the correct orientation, spread apart at a pair of inner feet, and inserted over the fastener strips. The slider is positioned to close a substantial portion of the strips, and then an end stop, docking station, and corner seal are formed against a sealing plate. The slider is then repositioned, and a tamper evident seal may be placed over the fastener strip. Apparatus and methods for placing a product in a flexible recloseable container, and also for manufacturing an empty, flexible recloseable container.
    Type: Grant
    Filed: January 28, 2000
    Date of Patent: April 17, 2001
    Assignee: Huntsman KCL Corporation
    Inventor: Ronald G. Thieman
  • Patent number: 6209287
    Abstract: An invention for forming, filling, and sealing a flexible recloseable container. Both vertical and horizontal methods for placing product within the container are disclosed. The invention includes guiding a web of film which has interlocking fastener strips sealed to the web. A slider for locking and unlocking the fastener strips is placed in the correct orientation, spread apart at a pair of inner feet and inserted over the fastener strips. The slider is positioned to close a substantial portion of the strips, and then an end stop, docking station, and corner seal are formed against a sealing plate. The slider is then repositioned, and a tamper evident seal may be placed over the fastener strips.
    Type: Grant
    Filed: August 6, 1999
    Date of Patent: April 3, 2001
    Assignee: Huntsman KCL Corporation
    Inventor: Ronald G. Thieman
  • Patent number: 6178602
    Abstract: A slider zipper reclosable fastener wherein the zipper includes fastener strips and closure elements on the fastener strips which are extruded integrally. The closure elements are arranged at particular angles by extrusion opening angles in order to increase burst strength. Ridges on the fastener strips and shoulders on the slider hold the slider on the zipper.
    Type: Grant
    Filed: June 29, 1999
    Date of Patent: January 30, 2001
    Assignee: Huntsman KCL Corporation
    Inventors: James W. Burke, Thomas P. O'Connor