Patents by Inventor Ben Bruner

Ben Bruner 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).

  • Splittable elastane yarns
    Patent number: 6562456
    Abstract: An elastane multifilament yarn havig two to six individual filaments which, when being unwound from a bobbin, is splittable into individual filaments, is produced by a process wherein multihole spinning jets are deployed in the spinning head of a conventional dry spinning apparatus, laminarizing the spinning gas flow to prevent entanglement of the individual filaments and passing the resulting yarn through a thread guide with one opening per individual filament.
    Type: Grant
    Filed: October 29, 1997
    Date of Patent: May 13, 2003
    Assignee: Bayer Faser GmbH
    Inventors: Ben Bruner, James F. Heslep, Hans-Josef Behrens, Konrad Schmitz, Karlheinz Wolf
  • Process for producing splittable elastane yarns
    Patent number: 5723080
    Abstract: An improved dry spinning process for manufacturing splittable elastane multifilament yarns wherein the coalescence of individual filaments is prevented, through the use of multihole spinning jets, laminarizing gas flow and thread guides having one opening per individual fiber.
    Type: Grant
    Filed: May 16, 1996
    Date of Patent: March 3, 1998
    Assignee: Bayer Faser GmbH
    Inventors: Ben Bruner, James F. Heslep, Hans-Josef Behrens, Konrad Schmitz, Karlheinz Wolf