Patents by Inventor Pere Cardona Güell

Pere Cardona Güell 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).

  • Process for production of a bobbin tube for yarn, device for embodiment of such process, bobbin tube obtained and mode of utilization of said bobbin tube
    Patent number: 7160236
    Abstract: A cardboard tube, with respect to a narrow marginal end area of the same provided with a hollow interior roll, is applied against a rotatory die which has a concave surface suitable for forming an entrant perimetric step by means of constriction of the narrow marginal area. The diameter of the riser thereof is equal to the interior diameter of the cardboard tube. At the same time, against the interior hollow roll is applied a force of enough intensity to flatten the cavity of the interior hollow roll and apply the wall thereof against the interior face of the wall of the cantilevered end of the cardboard tube formed by the action of its rotatory die.
    Type: Grant
    Filed: June 10, 2002
    Date of Patent: January 9, 2007
    Assignee: Klinsan BCN S.L.
    Inventors: Ramón Valls Roca, Pere Cardona Güell