Patents by Inventor Milton L. Blevins

Milton L. Blevins 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).

  • Tube end deforming tool
    Patent number: 4512178
    Abstract: A tube deforming tool (10) for forming a plurality of dimples (32) in the end of a tube (34) of a predetermined size. The tool has a tapered mandrel (12) extending through a housing (14) containing a plurality of radially movable balls (16). A plurality of longitudinal grooves (20) in the mandrel is the surface that the balls coact with. At the end of each groove is an enlarged recess (40) into which the balls are released at the end of the dimpling or deforming procedure, to permit easy removal of the tool from the deformed tube.
    Type: Grant
    Filed: March 28, 1983
    Date of Patent: April 23, 1985
    Assignee: Combustion Engineering, Inc.
    Inventors: Milton L. Blevins, Charles R. Seiter