Heating-insulating cup and method of making same

Details Heating-insulating cup and method of making same Heating-insulating cup and method of making same

1999-09-02

2000-08-29

Elkins, Gary E.

Envelopes, wrappers, and paperboard boxes

Paper or paperboard cup

Insulated

229 45, 493 99, 493100, 493152, 493157, B65D 322

Patent

active

061095184

ABSTRACT:
A heat-insulating cup comprises an inner sleeve and an outer sleeve. The latter is supported against an upper and a lower area of the inner sleeve. An annular space is located between the inner sleeve and the outer sleeve, which annular space is free of any additional elements. A joint bottom is arranged to the inner sleeve and the outer sleeve. In the upper area, the inner sleeve has a sudden widening, on top of which the outer sleeve is disposed.

REFERENCES:
patent: 2740575 (1956-04-01), Fontaine
patent: 2828903 (1958-04-01), Adkins
patent: 5145107 (1992-09-01), Silver et al.
patent: 5460323 (1995-10-01), Titus
patent: 5524817 (1996-06-01), Meier et al.
patent: 5660326 (1997-08-01), Varano et al.
patent: 5685480 (1997-11-01), Choi
patent: 5752653 (1998-05-01), Razzaghi
patent: 5904264 (1999-05-01), Yamada et al.

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