Patents by Inventor Krestine Corbin

Krestine Corbin 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).

  • Skiving and roller burnishing tool
    Patent number: 6560835
    Abstract: Apparatus is disclosed for finishing the inside of hollow work-pieces such as long hydraulic or pneumatic cylinders. A rotatable skiving and roller burnishing tool is advanced into one end of the work-piece and advanced through the cylindrical interior of the work-piece. The skiving section is located at the front of the skiving and roller burnishing tool, and the roller burnishing section comprises the rearward section of the tool. The skiving section of the tool has a knife holding portion which holds a skiving knife to skive the interior from a start diameter to a larger, finish diameter. The skiving section also has a plurality of cavities, forward of the knife holding section, which are disposed circumferentially around the skiving section of the tool. A plurality of probe centering location finders are located in the respective cavities.
    Type: Grant
    Filed: March 5, 2002
    Date of Patent: May 13, 2003
    Assignee: Sierra Machinery, Inc.
    Inventors: Ronald J. Porter, Krestine Corbin
  • Skiving and roller burnishing tool
    Publication number: 20020152597
    Abstract: Apparatus is disclosed for finishing the inside of hollow work-pieces such as long hydraulic or pneumatic cylinders. A rotatable skiving and roller burnishing tool is advanced into one end of the work-piece and advanced through the cylindrical interior of the work-piece. The skiving section is located at the front of the skiving and roller burnishing tool, and the roller burnishing section comprises the rearward section of the tool. The skiving section of the tool has a knife holding portion which holds a skiving knife to skive the interior from a start diameter to a larger, finish diameter. The skiving section also has a plurality of cavities, forward of the knife holding section, which are disposed circumferentially around the skiving section of the tool. A plurality of probe centering location finders are located in the respective cavities.
    Type: Application
    Filed: March 5, 2002
    Publication date: October 24, 2002
    Applicant: Sierra Machinery, Inc.
    Inventors: Ronald J. Porter, Krestine Corbin
  • Skiving and roller burnishing tool
    Patent number: 6367137
    Abstract: Apparatus is disclosed for finishing the inside of hollow work-pieces such as long hydraulic or pneumatic cylinders. A rotatable skiving and roller burnishing tool is advanced into one end of the work-piece and advanced through the cylindrical interior of the workpiece. The skiving section is located at the front of the skiving and roller burnishing tool, and the roller burnishing section comprises the rearward section of the tool. The skiving section of the tool has a knife holding portion which holds a skiving knife to skive the interior from a start diameter to a larger, finish diameter. The skiving section also has a plurality of cavities, forward of the knife holding section, which are disposed circumferentially around the skiving section of the tool. A plurality of probe centering location finders are located in the respective cavities.
    Type: Grant
    Filed: May 16, 2000
    Date of Patent: April 9, 2002
    Assignee: Sierra Machinery, Inc.
    Inventors: Ronald J. Porter, Krestine Corbin