Patents by Inventor Joseph C. Pawlush

Joseph C. Pawlush 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).

  • Explosive shaping of metal tubing
    Patent number: 4492104
    Abstract: A method and an apparatus for the explosive shaping of metal tubing are provided. A die including a pair of die halves are opened and closed by means of a clamping assembly attached thereto. The die halves include a plurality of die segments which are coupled in series. A breech is secured to one end of the die. A shotgun shell may be loaded into the breech and fired by means of a detonator. The necessary force for deforming the tubing is accordingly provided. A water retaining block is secured to the end of the die opposite the breech so that water can be held in the tubing prior to detonation of the shell.
    Type: Grant
    Filed: December 2, 1981
    Date of Patent: January 8, 1985
    Assignee: Meadowcraft Inc.
    Inventors: Henry Weaver, Joseph C. Pawlush