Patents Assigned to Convertidora Industrial S.A. DE C.V.
  • Method of producing a balloon with a self-sealing valve
    Patent number: 6015472
    Abstract: The present invention relates to a self-sealing flexible plastic valve for a non-latex balloon, to a balloon incorporating such a valve, to a method of manufacturing such a valve, and to a method of manufacturing a balloon incorporating such a valve. The valve is made from two flexible plastic strips, bonded together along the side edges to define a valve passageway or tube, and having an open inlet end and an open outlet end. The inlet end of one or both valve strips flares or otherwise curls outwardly to facilitate opening of the valve to insert a gas supply mechanism to inflate the balloon.
    Type: Grant
    Filed: August 7, 1998
    Date of Patent: January 18, 2000
    Assignee: Convertidora Industrial S.A. DE C.V.
    Inventor: Arturo Verduzco Garcia
  • Curling ribbon
    Patent number: 6015601
    Abstract: The present invention relates to a self-sealing flexible plastic valve for a non-latex balloon, to a balloon incorporating such a valve, to a method of manufacturing such a valve, and to a method of manufacturing a balloon incorporating such a valve. The valve is made from two flexible plastic strips, bonded together along the side edges to define a valve passageway or tube, and having an open inlet end and an open outlet end. The inlet end of one or both valve strips flares or otherwise curls outwardly to facilitate opening of the valve to insert a gas supply mechanism to inflate the balloon.
    Type: Grant
    Filed: August 7, 1998
    Date of Patent: January 18, 2000
    Assignee: Convertidora Industrial S.A. de C.V.
    Inventor: Arturo Verduzco Garcia