Clam shell container with cover and inner tray

Details Clam shell container with cover and inner tray Clam shell container with cover and inner tray

2005-06-14

2005-06-14

Kim, Eugene (Department: 3721)

Manufacturing container or tube from paper; or other manufacturi

Container making

Rigid container

C493S128000, C493S150000

Reexamination Certificate

active

06905450

ABSTRACT:
The clam shell container is formed by a cover formed of cardboard, chipboard or other similar material. A thermoform plastic tray is adhered to the inner surface of the cover to form the completed clam shell container. When closed, the edges of the tray move closer to the edges of the cover. The thermoform is bonded to the tray with adhesive and the container is closed to allow the adhesive to cure in the closed configuration. When opened, stress is created by the tray being fixed to the cover. To alleviate the stress, perforations between the tray sections and the spine break forming three distinct sections. In the open configuration, a small gap is created between the tray section and the spine.

REFERENCES:
patent: 3355081 (1967-11-01), Kachurchak
patent: 3445052 (1969-05-01), Lewallen
patent: 3654053 (1972-04-01), Toedter
patent: 4374441 (1983-02-01), Carter et al.
patent: 4600346 (1986-07-01), Podosek
patent: 4641750 (1987-02-01), Johnson et al.
patent: 4694954 (1987-09-01), Moss
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patent: 5682990 (1997-11-01), Schluger
patent: 5871323 (1999-02-01), Clark
patent: 6132349 (2000-10-01), Yokoyama
patent: 6290060 (2001-09-01), Burtch
patent: 6364590 (2002-04-01), Gayoso
patent: 6672815 (2004-01-01), Parker et al.

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