Patents Assigned to Robert G. Evans
  • Drum closure and method of making
    Patent number: 5075951
    Abstract: A method for forming a threaded dispensing opening for a cylindrical drum container having a generally flat circular closed bottom, a generally flat circular closed top, and a cylindrical side wall comprising the steps of forming an aperture in the drum top and drawing the drum metal adjacent the aperture upwardly to define an upwardly extending annular shoulder. The shoulder is then compressed downwardly to thicken the shoulder and a female threaded portion is formed on the inside of the annular shoulder which is receptive of a threaded closure member.
    Type: Grant
    Filed: November 27, 1990
    Date of Patent: December 31, 1991
    Assignee: Robert G. Evans
    Inventors: Robert E. Schurr, Jimmy Richoux, Robert G. Evans
  • Method and apparatus for forming drum closure
    Patent number: 4972568
    Abstract: A method for forming a threaded dispensing opening for a cylindrical drum container having a generally flat circular closed bottom, a generally flat circular closed top, and a cylindrical side wall comprising the steps of forming an aperture in the drum top and drawing the drum metal adjacent the aperture upwardly to define an upwardly extending annular shoulder. The shoulder is then compressed downwardly to thicken the shoulder and a female threaded portion is formed on the inside of the annular shoulder which is receptive of a threaded closure member.
    Type: Grant
    Filed: August 1, 1989
    Date of Patent: November 27, 1990
    Assignee: Robert G. Evans
    Inventor: Robert E. Schurr
  • Drum closure and method of making
    Patent number: 4852238
    Abstract: A method for forming a threaded dispensing opening for a cylindrical drum container having a generally flat circular closed bottom, a generally flat circular closed top, and a cylindrical side wall comprising the steps of forming an aperture in the drum top and drawing the drum metal adjacent the aperture upwardly to define an upwardly extending annular shoulder. The shoulder is then compressed downwardly to thicken the shoulder and a female threaded portion is formed on the inside of the annular shoulder which is receptive of a threaded closure member.
    Type: Grant
    Filed: June 13, 1988
    Date of Patent: August 1, 1989
    Assignee: Robert G. Evans
    Inventor: Robert E. Schurr