Patents Represented by Law Firm McDonald Alan T.
  • Can end tester
    Patent number: 4495797
    Abstract: An apparatus is disclosed for testing can ends for leakage. The apparatus includes a series of stations, including an entry station, one or more punishment stations, a testing station and an output station, means for transporting can ends from station to station within the apparatus and means responsive to a detection of a defective end for either alerting an operator to the situation and/or stopping the can end forming equipment until corrective action has been taken.
    Type: Grant
    Filed: June 27, 1983
    Date of Patent: January 29, 1985
    Assignee: Reynolds Metals Company
    Inventors: Ernest W. Cassell, Jr., Edward C. Gilliam