Patents by Inventor Thomas J. Cardinal

Thomas J. Cardinal 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).

  • Shrink wrap system for products on pallets and slip sheets
    Patent number: 3945493
    Abstract: Packages supported upon a pallet or slip sheet are stabilized and held securely together by a sleeve or tube of an open mesh thermoplastic heat shrinkable net enclosure that extends around the periphery of the load and usually is open at the top and bottom. The sleeve and loaded pallet or slip sheet is exposed to a source of heat to shrink the sleeve about the load of packages to thereby hold them in place. The openings in the net permit free circulation of air and the degree of prestretch given to the horizontal and vertical fibers controls horizontal and vertical shrinkage of the sleeve.
    Type: Grant
    Filed: November 13, 1974
    Date of Patent: March 23, 1976
    Assignee: The Pillsbury Company
    Inventor: Thomas J. Cardinal