Patent ID: 8875986

Claim:
A double-walled insulated cup of paper material, comprising an inner cup having a generally truncated conical wall and a pot-type bottom wall, said conical wall and said bottom wall being interconnected by a peripheral edge frame, and further comprising an outer sleeve, wherein said inner cup has a top shoulder in a top half of said inner cup and a bottom shoulder in a bottom half of said inner cup, wherein an outside diameter of said inner cup at a level of said top shoulder increases toward a top edge of said inner cup as regarded from said bottom wall of said inner cup, wherein said outer sleeve rests against said inner cup at least in a region of said top shoulder thereof, wherein said outer sleeve extends at least down to a bottom edge of said peripheral edge frame and lies against the peripheral edge frame at least in a region of the bottom edge of said peripheral edge frame, and wherein an outside diameter of said outer sleeve at a level of the bottom edge of said peripheral edge frame is smaller than an inside diameter of said inner cup just above said bottom shoulder and is greater than an inside diameter of said inner cup just below said bottom shoulder, and wherein the peripheral edge frame continuously widens in a direction away from the bottom wall down to the bottom edge of the peripheral edge frame.