Patents by Inventor Robert M. Bolliand

Robert M. Bolliand 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 and device for producing a shaped non-woven, non-woven obtained and use thereof
    Patent number: 5325571
    Abstract: A method for producing a shaped non-woven comprises the steps of feeding fibers on a carding machine over a limited width, superposing on a receiving system the fibrous web leaving the carding machine and needling the superposed layers. The superposition is preferably obtained by winding over a cylindrical drain.The shaped non-woven obtained has a thickness gradually decreasing towards its selvedges. The obtained strip has a cross-section of an asymmetrical shape by longitudinal cutting along the median axis and optionally two longitudinal cuttings on the selvedge side.
    Type: Grant
    Filed: July 6, 1992
    Date of Patent: July 5, 1994
    Assignee: Centre Technique Industriel dit: Institut Textile de France
    Inventor: Robert M. Bolliand