Patents Assigned to Christian Maer GmbH & Co., KG
  • Conical stacking tube body and method of producing the same
    Patent number: 5403633
    Abstract: A conical hollow tube body of paper or another organic molding material is made by forming a conical hollow tube body member having a narrow end and a wide end, and producing a spacing formation by making at least one dimple on an inside in the area of the narrow end by forming a projection in a wall of the body member immediately upon completion of the body member from an outside of the latter.
    Type: Grant
    Filed: March 11, 1993
    Date of Patent: April 4, 1995
    Assignee: Christian Maer GmbH & Co., KG
    Inventor: Michael Jenisch