Product Slides Relative To Molding Surface (e.g., Extrusion Molding) Patents (Class 162/293)
  • Cellulose-reinforced thermoplastic composite and methods of making same
    Patent number: 6758996
    Abstract: Granulated papermaking sludge is combined with plastic to form composite materials that may be shaped into structural and non-structural articles.
    Type: Grant
    Filed: July 13, 2001
    Date of Patent: July 6, 2004
    Assignee: Kadant Composites Inc.
    Inventors: Yiannis A. Monovoukas, Steven J. Anderson, David Leeman, Anatole A. Klyosov, George P. Philippidis
  • Former for producing a paper web
    Patent number: 4308097
    Abstract: The disclosure concerns a former for use in a paper making machine, or the like, for producing a web of fibrous suspension on a wire. The former includes a sliding surface, past which a tensioned wire is moved. A duct for fibrous suspension opens on the sliding surface. The sliding surface on the two sides of the duct is shaped so that downstream of the duct in the direction of movement of the wire, a wedge shaped slot is defined between the wire and the sliding surface in which the suspension is received and from which it is dewatered.
    Type: Grant
    Filed: March 5, 1980
    Date of Patent: December 29, 1981
    Assignee: J. M. Voith GmbH
    Inventor: Christian Schiel
  • Apparatus for manufacturing sleeves from fiber pulp
    Patent number: 3966546
    Abstract: Apparatus for manufacturing sleeves of fiber pulp by passing fiber pulp through a nozzle including a mandrel extending through the nozzle and a reciprocating piston mounted on the mandrel to exert pressure on the pulp. Screen members are located on the interior surface of the nozzle, the exterior surface of the mandrel, and the end surface of the piston in conjunction with suction means to provide for dewatering of the pulp.
    Type: Grant
    Filed: May 10, 1974
    Date of Patent: June 29, 1976
    Assignee: Renee Engell
    Inventor: Terje Braaten
  • Stable blocks formed of shredded paper-like material
    Patent number: 3949036
    Abstract: A method of making a stable block from paper comprising providing a plurality of moist paper fragments, roughening the outer surface of a group of the moist paper fragments, and compressing the group of paper fragments to form the group of paper fragments into a stable block without the addition of an adhesive.
    Type: Grant
    Filed: July 26, 1973
    Date of Patent: April 6, 1976
    Assignee: Papakube Corporation
    Inventor: Gerald B. Nelson