Metal Wool Making Patents (Class 29/4.52)
  • Patent number: 8707527
    Abstract: A method for providing coil shaved metal fibers according to the present invention comprises the steps of -providing a metal composite foil, the metal composite foil comprising oat least two metal layers (Lx) for being converted into metal fibers, each pair of adjacent metal layers are mutually separated by a sacrificial layer (Sy) provided from a sacrificial metal, each sacrificial layer (Sy) having a first and second surface, whereby for each sacrificial layer, the first surface contacts one of the pair of adjacent metal layers, the second surface is contacting the other of the pair of adjacent metal layers; -coiling said metal composite foil on a shaft thereby providing a metal coil having one free end surface; -rotating the metal coil and cutting the free end surface of the metal coil by means of a cutting tool, thereby providing a bundle of composite fibers; -removing the sacrificial metal of the sacrificial layers from the composite fibers thereby providing a bundle of metal fibers, each metal fiber bei
    Type: Grant
    Filed: April 25, 2008
    Date of Patent: April 29, 2014
    Assignee: NV Bekaert SA
    Inventors: Stefaan De Bondt, Inge Schildermans
  • Patent number: 6249941
    Abstract: A nonwoven, metal fabric is formed by providing a mass of loose fibers with sufficient lubricating oil for them to be carded without disintegration of the fiber web. The fiber web is then lapped and needled to form a metal fabric of superior strength, density, and thermal insulation properties.
    Type: Grant
    Filed: February 23, 1996
    Date of Patent: June 26, 2001
    Assignee: Rhodes American
    Inventors: Alexander Krupnik, Terrence P. Kane, Kurt H. Schild