Patents by Inventor Jean-Pierre Vaudolon

Jean-Pierre Vaudolon 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).

  • Stuffing box seal having braided packings and lip seal rings in combination with a shaft sleeve
    Patent number: 5647598
    Abstract: A sealing device for a shaft rotating relative to a frame, particularly for a pump shaft, wherein a protective sleeve surrounding the shaft is fixedly mounted for rotation with the shaft; a collar step surrounding the sleeve is fixedly mounted on the frame; a sealing device surrounding the sleeve is non-rotatingly mounted within the frame and includes a lantern ring for connection to a source of lubrication liquid; an annular ring with a sealing lip is inserted between the collar step and lantern ring; and a packing braid is disposed between the lantern ring and a device for compressing the braid.
    Type: Grant
    Filed: August 21, 1996
    Date of Patent: July 15, 1997
    Inventor: Jean-Pierre Vaudolon