Heat-insulating container and apparatus for producing the same

Details Heat-insulating container and apparatus for producing the same Heat-insulating container and apparatus for producing the same

2006-12-19

2009-11-17

Truong, Thanh K (Department: 3721)

Manufacturing container or tube from paper; or other manufacturi

Container making

Rigid container

C493S059000, C493S064000, C493S161000, C493S273000

Reexamination Certificate

active

07618359

ABSTRACT:
A heat-insulating container is used for an instant dried food and is excellent in heat-insulating property, design and economy. The container comprises a paper cup body with a bottom, which has an inner surface coated with a polyolefin resin and is provided with an outward curled portion formed at an upper opening end of the cup body and at least one horizontal rib formed on a side wall of the cup body so as to project outward therefrom; and an inverse-frustoconical paper sleeve provided with an inward curled portion formed at a lower end of the sleeve. The cup body and the sleeve are integrally combined with each other so that an upper end of the sleeve is joined to an outer periphery of the side wall of the cup body, which is adjacent to the outward curled portion of the cup body, and an inner surface of the inward curled portion of the sleeve is joined to an outer periphery of a lower portion of the side wall of the cup body.

REFERENCES:
patent: 1828234 (1931-10-01), Swift, Jr.
patent: 2266948 (1941-12-01), Barbieri
patent: 3126798 (1964-03-01), Fairchild
patent: 3765351 (1973-10-01), Kubacki et al.
patent: 4070888 (1978-01-01), Gombas
patent: 4129065 (1978-12-01), Corse
patent: 4316375 (1982-02-01), Lee, Jr.
patent: 4680016 (1987-07-01), Lynch
patent: 5123891 (1992-06-01), Nieradka et al.

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