Patents by Inventor Gerald Borst

Gerald Borst 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).

  • Arrangement for stretching thermoplastic fibers
    Patent number: 4967457
    Abstract: An arrangement for stretching thermoplastic fibers of synthetic polymers, particularly polypropylene, polyester or polyamide, for producing high strength yarns,comprises a delivery mechanism for delivering fibers, a stretching mechanism for stretching fibers, and a plurality of heated rollers arranged between the delivery mechanism and the stretching mechanism for deviating the fibers and means for applying to the fibers a force which is opposite to a direction of movement of the fibers, none of the rollers being driven and at least one of said rollers is provided with a brake, the fibers passing around the rollers without slippage.
    Type: Grant
    Filed: November 20, 1989
    Date of Patent: November 6, 1990
    Assignee: Neumustersche Maschinen-und Apparatebau GmbH (Neumag)
    Inventors: Arnold Beck, Gerald Borst, Dieter Ahrendt, Herbert Peters