Patents by Inventor David A. Grime

David A. Grime 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 identifying fractured brittle articles
    Patent number: 4530246
    Abstract: Apparatus for automatically inspecting brittle articles such as containers of glass and the like has element (50) which applies a force to each article in turn, so as to propagate any cracks in the glass. Ultrasonic vibrations created during the propagation of a crack is transmitted via a constant laminar stream of liquid (76) from which the vibrations are received by a transducer head (94) of the crack detection equipment, which triggers an alarm, a visual display and/or an automatic marking or rejection device.
    Type: Grant
    Filed: February 7, 1983
    Date of Patent: July 23, 1985
    Assignee: Metal Box Public Limited Company
    Inventors: Kelvin G. Pitman, David A. Grime, Malcolm R. M. Knight