Patents by Inventor Dale J. Kelash

Dale J. Kelash 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).

  • Method and apparatus for minimizing foam in filling cartons
    Patent number: 4903740
    Abstract: Apparatus for dispensing a predetermined quantity of product liquid into a series of cartons in sequence is described. The apparatus includes a discharge valve arrangement that directs the liquid obliquely against the wall of the carton to reduce the tendency to produce foam. Also, the apparatus includes a bellows and valve system for controlling the flow of liquid to the discharge valve. A method of operating the system that is described minimizes the liquid pressure differential at the discharge valve when the valve opens.
    Type: Grant
    Filed: June 10, 1988
    Date of Patent: February 27, 1990
    Assignee: Tetra Pak Finance & Trading S.A.
    Inventors: Donald G. Corniea, Dale J. Kelash