Patents by Inventor Elbert F. Wessman

Elbert F. Wessman 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: 4061012
    Abstract: Cup feeding means for feeding cups to a drawing and ironing machine having a generally elongated horizontal opening defined by ironing rings and a ram axially aligned with said opening is disclosed herein. The cup feeding mechanism consists of guide means for continuously supplying cups to a station adjacent the opening and an arm pivoted below the guide means and the opening. The arm has an arcuate surface for receiving cups from the guide means and is driven between first and second positions for moving the cups from the guide means into alignment with the opening of the drawing and ironing machine. The cup feeding means also includes stop means located adjacent the opening with the stop means also having an arcuate surface that generally defines an extension of the arcuate surface on the arm so that the cups are positively gripped between the arcuate surfaces when the arm is moved to the second position.
    Type: Grant
    Filed: July 23, 1976
    Date of Patent: December 6, 1977
    Assignee: National Can Corporation
    Inventor: Elbert F. Wessman