Patents by Inventor Roger Vidal

Roger Vidal 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).

  • Patent number: 3955254
    Abstract: Methods of and apparatus for treating yarn with a fluid material include a chamber through which the yarn is advanced and an injection nozzle for impinging fluid on the yarn as it advances through the chamber. The injection nozzle is registered with a fluid circulation system in which a dyeing substance or other fluid treating substance or material is circulated. Upon interrupting the circulation of the fluid treating material, a portion of the material is diverted into the chamber through which the yarn is advancing. By interrupting the circulation of the fluid treating material according to a selected pattern, the fluid treating material will impinge on the advancing yarn with a corresponding pattern. If it is desired to impinge treating materials having different characteristics, such as dyes of different colors, then a plurality of circuits may be utilized to direct the fluid materials into the chamber through which the yarn advances.
    Type: Grant
    Filed: April 17, 1974
    Date of Patent: May 11, 1976
    Assignee: Rhone-Poulenc-Textile
    Inventors: Christian Delarue, Roger Vidal
  • Patent number: 3946133
    Abstract: A process for simultaneously texturizing a plurality of yarns including feeding a plurality of yarns separately through the inlet of a texturizing device to a cylindrical chamber, supplying a hot compressed fluid to the cylindrical chamber to advance the yarns therein, the hot compressed fluid escaping into an outer closed chamber, and maintaining the outer chamber at a pressure less than the feed pressure of the hot compressed fluid and greater than atmospheric pressure.
    Type: Grant
    Filed: December 21, 1973
    Date of Patent: March 23, 1976
    Assignee: Rhone-Poulenc-Textile SA
    Inventors: Roger Vidal, Raymond Gourmandy
  • Patent number: RE29774
    Abstract: A process for simultaneously texturizing a plurality of yarns including feeding a plurality of yarns separately through the inlet of a texturizing device to a cylindrical chamber, supplying a hot compressed fluid to the cylindrical chamber to advance the yarns therein, the hot compressed fluid escaping into an outer closed chamber, and maintaining the outer chamber at a pressure less than the feed pressure of the hot compressed fluid and greater than atmospheric pressure.
    Type: Grant
    Filed: October 18, 1977
    Date of Patent: September 19, 1978
    Assignee: Rhone-Poulenc-Textile
    Inventors: Roger Vidal, Raymond Gourmandy