Patents by Inventor David E. Gallaher

David E. Gallaher has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Manufacture of sealed-end tubular thermoplastic net bagging
    Patent number: 4289569
    Abstract: A tube of thermoplastic netting is drawn through a work station in a radially collapsed, condensed condition. At the work station, the netting is angularly twisted to rope-like form, to increase its bulk density and, in such condition, is drawn between the die and platen of an ultrasonic welding horn. Periodically, the die and platen momentarily bear against a succeeding short length of the twisted, condensed rope-like form making a fused seal nugget integrating all strands of the netting at that site. The resulting product may be a long length of such tubing, having such a seal every so often, or a plurality of bags formed from the intermediate product by making one transverse cut through the netting tube beside each seal nugget.
    Type: Grant
    Filed: September 27, 1979
    Date of Patent: September 15, 1981
    Inventors: Kenneth H. Rabeneck, Jerry R. Kantlehner, David E. Gallaher
  • Packaged sealed-end tubular thermoplastic net bagging
    Patent number: 4274539
    Abstract: A tube of thermoplastic netting is drawn through a work station in a radially collapsed, condensed condition. At the work station, the netting is angularly twisted to rope-like form, to increase its bulk density and, in such condition, is drawn between the die and platen of an ultrasonic welding horn. Periodically, the die and platen momentarily bear against a succeeding short length of the twisted, condensed rope-like form making a fused seal nugget integrating all strands of the netting at that site. The resulting product may be a long length of such tubing, having such a seal every so often, or a plurality of bags formed from the intermediate product by making one transverse cut through the netting tube beside each seal nugget.
    Type: Grant
    Filed: September 27, 1979
    Date of Patent: June 23, 1981
    Inventors: Kenneth H. Rabeneck, Jerry R. Kantlehner, David E. Gallaher
  • Manufacture of sealed-end tubular thermoplastic net bagging
    Patent number: 4190690
    Abstract: A tube of thermoplastic netting is drawn through a work station in a radially collapsed, condensed condition. At the work station, the netting is angularly twisted to rope-like form, to increase its bulk density and, in such condition, is drawn between the die and platen of an ultrasonic welding horn. Periodically, the die and platen momentarily bear against a succeeding short length of the twisted, condensed rope-like form making a fused seal nugget integrating all strands of the netting at that site. The resulting product may be a long length of such tubing, having such a seal every so often, or a plurality of bags formed from the intermediate product by making one transverse cut through the netting tube beside each seal nugget.
    Type: Grant
    Filed: September 22, 1978
    Date of Patent: February 26, 1980
    Assignee: Gallaher, Kantlehner & Associates, Inc.
    Inventors: Kenneth H. Rabeneck, Jerry R. Kantlehner, David E. Gallaher