Patents by Inventor Jose Cabrera Guzman

Jose Cabrera Guzman 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).

  • Device for the maintenance of semi-autogenous grinding mills used in large-scale mining
    Patent number: 6869001
    Abstract: A nut cold cutter devise is used in the assembly and maintenance of semi-autogenous grinding mills for large-scale mining. The device includes a front body, a back body and a hydraulic cylindrical chamber located between the front and back bodies. The front body has a defined cavity in which there is a movable cutting tool and a fixed cutting tool. The nut to-be-cut is positioned in the space located between the two cutting tools. The hydraulic cylindrical chamber contains a push piston that is sealed to the inside of said hydraulic cylindrical chamber with watertight joints. The push piston is attached to a toolholder axis and the movable cutting tool is attached to the front end of the toolholder axis.
    Type: Grant
    Filed: October 17, 2003
    Date of Patent: March 22, 2005
    Assignees: Corporacion Nacional del Cobre de Chile, Instituto de Innovacion en Mineria y Metalurgia
    Inventors: Luis Ortiz Cerda, Jose Cabrera Guzman, Justo Vargas Luna
  • Device for the maintenance of semi-autogenous grinding mills used in large-scale mining
    Publication number: 20040118262
    Abstract: A nut cold cutter devise is used in the assembly and maintenance of semi-autogenous grinding mills for large-scale mining. The device includes a front body, a back body and a hydraulic cylindrical chamber located between the front and back bodies. The front body has a defined cavity in which there is a movable cutting tool and a fixed cutting tool. The nut to-be-cut is positioned in the space located between the two cutting tools. The hydraulic cylindrical chamber contains a push piston that is sealed to the inside of said hydraulic cylindrical chamber with watertight joints. The push piston is attached to a toolholder axis and the movable cutting tool is attached to the front end of the toolholder axis.
    Type: Application
    Filed: October 17, 2003
    Publication date: June 24, 2004
    Inventors: Luis Oritz Cerda, Jose Cabrera Guzman, Justo Vargas Luna
  • Device for the maintenance of semi-autogenous grinding mills used in large-scale mining
    Publication number: 20020170406
    Abstract: A nut cold cutter devise is used in the assembly and maintenance of semi-autogenous grinding mills for large-scale mining. The device includes a front body, a back body and a hydraulic cylindrical chamber located between the front and back bodies. The front body has a defined cavity in which there is a movable cutting tool and a fixed cutting tool. The nut to-be-cut is positioned in the space located between the two cutting tools.
    Type: Application
    Filed: December 7, 2001
    Publication date: November 21, 2002
    Applicant: CORPORACION NACIONAL DEL COBRE DE CHILE
    Inventors: Luis Oritz Cerda, Jose Cabrera Guzman, Justo Vargas Luna