Two stage cup
AssigneePaper Machinery Corporation
InventorsMichael S. Kazmierski, Ronald J. Wilson
Life of this patent
Estimating the term…
Abstract
A nestable beverage cup is preferably formed of two tapered sections. A lower section is sized to fit a cup holder such as used in a vehicle, while an upper section which is not held in the cup holder is provided with a larger diameter than the lower section, and is more broadly tapered to hold a greater volume of fluid. The lower section has a flattened rim which is ultrasonically sealed to the bottom of the upper section. A recessed bottom of the upper section provides an air gap which will insulate the user from the surface of the lower section. The two stage cup contemplates designs with various sidewalls, angles, shapes and raw materials.
Claims12
A two stage cup comprising:
- an upper cup having an upper cup sidewall disposed about a central axis and an upper cup bottom wall disposed generally transversely to the upper cup sidewall and punched out to define a bottom wall, annular border extending radially inwardly from the upper cup sidewall, the upper cup sidewall having a top edge curled radially from the central axis;
- and
- a lower cup having a lower cup sidewall disposed about the central axis and a lower cup bottom wall disposed generally transversely to the lower cup sidewall, the lower cup sidewall having a curled and flattened top edge lying in overlapping, sealed relationship with the upper cup bottom wall annular border, wherein a lower portion of the upper cup sidewall is spaced from an upper portion of the lower cup sidewall to create an insulative air gap, and the upper cup and the lower cup comprise paperboard.
A two stage container comprising:
- a lower cup comprised of paperboard and including a central axis, a lower cup sidewall and a lower cup bottom wall generally perpendicular to the central axis;
- an upper cup comprised of paperboard and including an upper cup sidewall and an upper cup bottom wall annular border extending perpendicularly to the central axis and extending radially inwardly from the upper cup sidewall,
- wherein the upper cup bottom wall annular border includes a first outer lip folded downwardly, generally transversely to the border, and the upper cup sidewall includes a first bottom flap folded upwardly over the first outer lip;
- wherein the lower cup bottom wall includes a second outer lip folded downwardly, generally transversely to the bottom wall, and the lower cup sidewall includes a second bottom flap folded upwardly over the second outer lip to form a recessed bottom;
- wherein the lower cup sidewall also has a flattened top edge which is disposed on top of the upper cup bottom wall annular border and ultrasonically sealed thereto to join the upper cup above the lower cup;
- and
- wherein the first bottom flap on the upper cup sidewall is spaced from an upper portion of the lower cup sidewall to create an insulated air gap.
Dependencies are inferred from the claim text.