Plural-type Debris Removers Patents (Class 29/DIG61)
  • Horizontal hobbing machine
    Patent number: 5947663
    Abstract: A horizontal hobbing machine comprises a bed, a cutting section provided on the bed and including at least a horizontal rotary shaft and a hob. The cutting section generates a tooth form on a work piece supported around the rotary shaft by means of the hob. A conveyor is provided in a lower part of the cutting section below the bed to remove chips of the work piece resulting from the cutting process.
    Type: Grant
    Filed: August 28, 1998
    Date of Patent: September 7, 1999
    Assignee: Mitsubishi Heavy Industries, Ltd.
    Inventors: Tsuneo Egawa, Yozo Nakamura, Toshikazu Kominami, Yoshiharu Tonohara
  • Apparatus for and method of machining around an opening in a workpiece
    Patent number: 4825736
    Abstract: Apparatus for and method of clearing scrap from the opening of a workpiece in which a jet of fluid is directed over the opening, causing the scrap to be entrained in fluid streaming out of the opening to join the fluid jet. In a preferred embodiment of the invention, the fluid jet is pulsed in order to maximize its efficiency. In an alternative embodiment, a vacuum is used to collect the entrained scrap.
    Type: Grant
    Filed: September 14, 1987
    Date of Patent: May 2, 1989
    Assignee: Westinghouse Electric Corp.
    Inventor: John A. Catanese