Patents Assigned to Rheinpfalzische Emballagenfabrik G. Schonung GmbH & Co. KG
  • Double-walled barrel and method of its manufacture
    Patent number: 5351850
    Abstract: A double-walled barrel and method of manufacture including a cylindrical rel jacket with a first set of corrugations, having a top with barrel openings and a bottom attached to the cylindrical barrel jacket by a first set of folds forming an outer barrel. A steel container with an inner top with barrel openings and an inner bottom attached to the container by a second set of folds forming an inner barrel. The inner barrel is configured and dimensioned to closely fit within the outer barrel. The inner top is joined to the top.
    Type: Grant
    Filed: September 11, 1992
    Date of Patent: October 4, 1994
    Assignee: Rheinpfalzische Emballagenfabrik G. Schonung GmbH & Co. KG
    Inventor: Gunter Brieskorn