Patents by Inventor Shaul Tal

Shaul Tal 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).

  • Method and apparatus for producing pipes for drip irrigation
    Patent number: 5271786
    Abstract: A technique for manufacturing extruded drip irrigation lines including drip irrigation elements having a non-circular cross section including the steps of:extruding a drip irrigation conduit; andheat welding discrete drip irrigation elements having a non-circular cross section to a portion of the interior surface of the drip irrigation conduit extending over less than the entire circumference thereof, the step of heat welding including the following steps:sequentially feeding discrete drip irrigation elements through the interior of the drip irrigation conduit;causing individual drip irrigation elements to establish initial contact with the extruded conduit as the extruded conduit is being stretched to its final cross sectional dimensions; andcompleting heat welding of the elements to the conduit when the conduit has substantially reached its final cross sectional dimensions.
    Type: Grant
    Filed: October 9, 1991
    Date of Patent: December 21, 1993
    Assignee: Naan Irrigation Systems
    Inventors: Moshe Gorney, Shlomo Galili, Dan Koren, Shaul Tal, David Sol