Non-smear food package

Details Non-smear food package Non-smear food package

1987-09-25

1989-01-03

Sipos, John

Special receptacle or package

Tray type

229 25R, 426106, 426129, 426396, D 7 37, D 9371, D 9425, D 9431, B65D 134

Patent

active

047950340

ABSTRACT:
Smearing of fat by fat-containing trayed food products on the interior surface of a thermoplastic overwrap is substantially reduced or eliminated by applying loading forces during a sealing step to the longitudinal edges of the tray containing food product. A tray with a convex bottom is preferred to enhance the quality of the seal. A convex heating plate can be used in conjunction with conventional trays.

REFERENCES:
patent: 2915214 (1959-12-01), Frankel
patent: 3155303 (1964-11-01), Fenkel
patent: 3171238 (1965-03-01), Dreyfus
patent: 3429098 (1969-02-01), Treiber
patent: 3578204 (1971-05-01), Bloch
patent: 3700096 (1972-12-01), Reifers
patent: 3728196 (1973-04-01), Rausing
patent: 3889443 (1975-06-01), Wingardh
patent: 4507904 (1985-04-01), Treiber
patent: 4642239 (1987-02-01), Ferrar

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