Patents by Inventor Kenneth F. Rumball

Kenneth F. Rumball 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: 4138959
    Abstract: Apparatus for making a container for example a frusto-conical container from a blank having an end panel and side panels, the apparatus having a cavity tool and a core between the blank can be clamped in the form which it takes in the finished article, and a blank positioning member movable relative to the tools which, as the tools move toward a closed condition to clamp the blank will engage a free edge of the blank already in its final axial position in the cavity tool to correctly position that edge before the tools reach the closed condition.
    Type: Grant
    Filed: December 20, 1976
    Date of Patent: February 13, 1979
    Assignee: Airfix Industries Limited
    Inventor: Kenneth F. Rumball
  • Patent number: 4131212
    Abstract: A container with a closure, the container and closure being engageable by relative rotation, locking means on the container and closure which allow the closure to be rotated in the direction required to apply the closure but not in the opposite sense, the locking means on one of the container and closure being formed as a tear band so as to unlock the pair of locking means and allow removal and replacement of the closure.
    Type: Grant
    Filed: March 28, 1977
    Date of Patent: December 26, 1978
    Assignee: Airfix Industries Limited
    Inventor: Kenneth F. Rumball