Positive seal package

Details Positive seal package Positive seal package

1987-04-20

1989-09-26

Marcus, Stephen

Special receptacle or package

Convertible to or from display configuration

With cover convertible to display card

53468, 53473, 206 4534, 206557, 206813, 229 87F, B65D 8500

Patent

active

048693626

ABSTRACT:
The invention provides an improved package and packaging method for products that contain moisture. In the preferred embodiment, the product to be packaged is placed in a tray and the product and the tray are wrapped with a transparent film. The film is selectively affixed to at least a portion of the bottom of the tray using a heat-activated adhesive to form a leak-resistant package.

REFERENCES:
patent: 1929217 (1933-10-01), Rosen
patent: 2294652 (1942-09-01), Blair
patent: 2565976 (1951-08-01), Mayer et al.
patent: 2668403 (1954-02-01), Rumsey, Jr.
patent: 2808192 (1957-10-01), Raisin
patent: 2874890 (1959-02-01), Evanstein
patent: 3027997 (1962-04-01), Reifers
patent: 3050402 (1962-08-01), Dreyfus et al.
patent: 3070274 (1962-12-01), Elam
patent: 3074798 (1963-01-01), Palmer
patent: 3589510 (1971-06-01), Begnaud

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