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US 2008/0155805 A1Published application
Insulated cup
AssigneeThe Ovenable Paper Pan Company, LLC
InventorWilliam Joseph Stepanek
Life of this patent
Estimating the term…
Abstract
An improved cup comprising a top portion and a base sleeve connected to the sidewall of the top portion. The base sleeve is at least partially formed of an insulating material. The base sleeve is formed of a one piece material that eliminates a seam at the bottom of the cup.
Claims24
1-25. (canceled)
A method of making an improved cup comprising:
- a. providing a top portion having a side wall, a top, a bottom, a top opening, a bottom opening and a cavity extending from said top opening to said bottom opening, said side wall having an outer surface;
- b. providing a base sleeve formed of a single piece of material, said base sleeve including a base, a side wall extending upwardly from said base, an upper opening and a cavity extending from an upper surface of said base to said upper opening, said side wall having an inner surface, said cavity absent a seam;
- c. connecting said base sleeve to a lower portion of said top portion, said cavity of said base sleeve at least partially telescopically receiving said side wall of said top portion and covering and sealing said bottom opening of said top portion;
- and,
- d. forming a liquid proof seal between said inner surface of said base sleeve and said outer surface of said side wall of said top portion.
2 more elements
A method of making an improved cup comprising:
- a. providing a single piece of insulating paper or cardboard material;
- and,
- b. forming said insulating material by a thermo-press process into said cup without use of an adhesive seam, said cup including a base, a side wall integrally formed together and a cavity, said side wall having a top edge and an inner surface, said side wall extending upwardly from said base, said cavity extending upwardly from an upper surface of said base to said top edge of said side wall, said cavity formed by said inner surface of said side wall and said upper surface of said base, said cavity absent any seams and absent any adhesive.
Dependencies are inferred from the claim text.