Patents by Inventor Peter Antensteiner

Peter Antensteiner 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).

  • Conical refiner plates with logarithmic spiral type bars
    Publication number: 20060113415
    Abstract: A special shape of bars on refining cones or plate segments of a rotating conical refiner is disclosed including a plurality of bars generally extending outwards towards the outer end of the cone across its working surface, arranged in a single, two or more radial zones, the plurality of the bars within a zone being curved with the shape of a logarithmic type spiral. Conical refiners including such refining cones are also disclosed.
    Type: Application
    Filed: January 11, 2006
    Publication date: June 1, 2006
    Inventor: Peter Antensteiner
  • Refiner plates with logarithmic spiral bars
    Publication number: 20040149844
    Abstract: A special shape of bars on refining discs or plate segments (54) of a rotating disc refiner (10) is disclosed including a plurality of bars (76) generally extending outwards toward the outer end of the disk across its surface, arranged in a single, two or more radial zones (64, 66, 68), the plurality of the bars within a zone being curved with the shape of a logarithmic spiral. Disc refiners including such refining discs are also disclosed.
    Type: Application
    Filed: November 5, 2003
    Publication date: August 5, 2004
    Inventor: Peter Antensteiner
  • Refiner
    Patent number: 6637686
    Abstract: A refiner including a rotor and a stator defining a cylindrical or conical refining gap therebetween. A pulp feed channel extends in a radial direction from an inlet pipe to the refining gap.
    Type: Grant
    Filed: February 2, 2001
    Date of Patent: October 28, 2003
    Assignee: Andritz AG
    Inventors: Peter Antensteiner, Helmuth Gabl, Andreas Gorton-Hülgerth, Gerald Schadler
  • Refiner
    Patent number: 6565027
    Abstract: A refiner for shredding pulps having refining surfaces provided on a rotor and a stator and which form a cylindrical or a conical refining gap. The refining gap is set by wedges which are mounted on the stator and rotor and can be moved against each other.
    Type: Grant
    Filed: February 2, 2001
    Date of Patent: May 20, 2003
    Assignee: Andritz AG
    Inventors: Peter Antensteiner, Helmuth Gabl, Gerald Schadler, Walter Writzl
  • Refiner
    Publication number: 20010022329
    Abstract: A refiner for shredding pulps having refining surfaces provided on a rotor and a stator and which form a cylindrical or a conical refining gap. The refining gap is set by wedges which are mounted on the stator and rotor and can be moved against each other.
    Type: Application
    Filed: February 2, 2001
    Publication date: September 20, 2001
    Inventors: Peter Antensteiner, Helmuth Gabl, Gerald Schadler, Walter Writzl
  • Refiner
    Publication number: 20010020660
    Abstract: A refiner including a rotor and a stator defining a cylindrical or conical refining gap therebetween. A pulp feed channel extends in a radial direction from an inlet pipe to the refining gap.
    Type: Application
    Filed: February 2, 2001
    Publication date: September 13, 2001
    Inventors: Peter Antensteiner, Helmuth Gabl, Andreas Gorton-Hulgerth, Gerald Schadler