Patents by Inventor Serge Ramseier

Serge Ramseier 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).

  • Method of cutting columns of thread loops
    Patent number: 4271568
    Abstract: A pile fabric, especially velvet, can have a selection of yarn strands appearing on one of its faces severed by means of a focused laser beam. According to the process of the invention the zone of focus of the laser beam is brought successively into contact with predetermined portions of each of the strands for a period of time sufficient to cause combustion of at least some of the fibers forming each strand.
    Type: Grant
    Filed: November 15, 1978
    Date of Patent: June 9, 1981
    Assignee: Cotonificio Cantoni S.p.A.
    Inventors: Gerard Durville, Michel Moulin, Serge Ramseier, Erwin Zurcher
  • Apparatus for the cutting of columns of thread loops
    Patent number: 4159558
    Abstract: A pile fabric, especially velvet, can have a selection of yarn strands appearing on one of its faces severed by means of a focused laser beam. According to the invention, the zone of focus of the laser beam is brought successively into contact with predetermined portions of each of the strands for a period of time sufficient to cause combustion of at least some of the fibers forming each strand. The invention provides means for shifting the focus of the laser beam accordingly.
    Type: Grant
    Filed: October 21, 1977
    Date of Patent: July 3, 1979
    Assignee: Cotonificio Cantoni S.p.A.
    Inventors: Gerard Durville, Michel Moulin, Serge Ramseier, Erwin Zurcher