Patents by Inventor Neal R. Vandewalle

Neal R. Vandewalle 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).

  • Punch and stripper assembly for a reciprocating metal-punching press
    Patent number: 4235138
    Abstract: A method for making a punch and stripper assembly for a reciprocating metal-punching press in which the stripper is integrally molded about the punch while in the punch holder through the use of a certain plastics material mold cooperating with the punch holder, and a substantially liquid plastics material that can be poured in the mold and will set to a solid condition integral with the punch.
    Type: Grant
    Filed: June 16, 1978
    Date of Patent: November 25, 1980
    Assignee: Illinois Tool Works Inc.
    Inventors: Albert M. Creighton, Jr., Charles L. Foss, Jr., Neal R. Vandewalle