Patents by Inventor Paul S. Marsh

Paul S. Marsh 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).

  • Patent number: 4341103
    Abstract: A method and apparatus for beading canbodies, or like hollow members having at least one terminal end edge, a first annular end portion adjacent said terminal end edge, a second annular end portion adjacent said first annular end portion and a third annular end portion adjacent said second annular end portion. An inner forming means is placed within the canbody, said inner forming means having an annular inner forming surface in juxtaposition to said first annular end portion, an arcuate concave inner forming surface extending from said annular inner forming surface and in juxtaposition to said second annular end portion and a cylindrical inner support surface extending axially inward from said arcuate concave inner forming surface and in juxtaposition to said third annular end portion. An outer forming means is placed around the canbody, said outer forming means having an annular outer forming surface compatibly shaped and in radial alignment with said arcuate concave inner forming surface.
    Type: Grant
    Filed: September 4, 1980
    Date of Patent: July 27, 1982
    Assignee: Ball Corporation
    Inventors: Eduardo C. Escallon, Paul S. Marsh