Patents by Inventor Sylvio Sangalli

Sylvio Sangalli 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).

  • Pile textile elements with fused wrapper and base
    Patent number: 4188429
    Abstract: Pile textile elements are disclosed in which heat fusible textile filamentary materials are assembled in a bundle wrapped in a plastic envelope. The filaments are held together at one end only of the bundle by fusing the ends of the filaments and the plastic envelope while they are in contact, under pressure, with a heated flat surface. The fused end of the bundle forms a base to facilitate handling of the pile textile element, and also facilitating securing the element to a suitable backing, such as a textile backing, furniture, bedding, etc., in a conventional manner.
    Type: Grant
    Filed: June 14, 1978
    Date of Patent: February 12, 1980
    Assignee: Rhone-Poulenc-Textile
    Inventors: Daniel Braconnier, Rene Guillermin, Sylvio Sangalli
  • Apparatus for treating filamentary products
    Patent number: 4059068
    Abstract: Apparatus for treating filamentary products, such as yarn, includes advancing the yarn in a groove, which has orifices opening in the bottom thereof, and which communicate with a channel through which a fluid is expelled. The channel lies in the wall of a cylindrical static body and is tangent to the inner wall of said body. The fluid supports the strand so that the yarn does not touch the groove. In addition, the fluid treats the yarn and helps to advance the yarn.
    Type: Grant
    Filed: September 30, 1976
    Date of Patent: November 22, 1977
    Assignee: Rhone-Poulenc-Textile
    Inventors: Rene Guillermin, Jean Joly, Sylvio Sangalli
  • Process for treating filamentary products
    Patent number: 4020196
    Abstract: A process for treating filamentary products, such as yarn, includes advancing the yarn in a groove, which has orifices opening in the bottom thereof, and which communicate with a channel through which a fluid is expelled. The fluid supports the strand so that the yarn does not touch the groove. In addition, the fluid treats the yarn and helps to advance the yarn.
    Type: Grant
    Filed: June 5, 1975
    Date of Patent: April 26, 1977
    Assignee: Rhone-Poulenc-Textile
    Inventors: Rene Guillermin, Jean Joly, Sylvio Sangalli
  • Apparatus for simultaneously texturizing and cutting continuous yarns
    Patent number: 4016626
    Abstract: An apparatus for processing yarn in order to texturize and cut the yarn includes means for using a fluid to direct yarn into a tube which has a rotating spindle therein around which the yarn forms a wad. At least part of the fluid is exhausted from the tube and the wad is then cut and removed from the spindle.
    Type: Grant
    Filed: January 20, 1976
    Date of Patent: April 12, 1977
    Assignee: Rhone-Poulenc-Textile
    Inventors: Rene Guillermin, Jean Joly, Sylvio Sangalli
  • Method and apparatus for simultaneously texturizing and cutting continuous yarns
    Patent number: 3988882
    Abstract: Methods of and apparatus for processing yarn in order to texturize and cut the yarn include using a fluid to direct yarn into a tube having a rotating spindle therein around which the yarn forms a wad. At least part of the fluid is exhausted from the tube and the wad is then cut and removed from the spindle.
    Type: Grant
    Filed: June 5, 1975
    Date of Patent: November 2, 1976
    Assignee: Rhone-Poulenc-Textile
    Inventors: Rene Guillermin, Jean Joly, Sylvio Sangalli