Microwave carton

Details Microwave carton Microwave carton

1988-04-28

1990-04-24

Garbe, Stephen P.

Special receptacle or package

With pallet feature

Knockdown or collapsible type

229188, B65D 524, B65D 540, B65D 554

Patent

active

049197851

ABSTRACT:
A carton of unitary structure which is adapted for heating food, especially frozen food, in a microwave oven. An openable removable top flap for the carton is formed by partially scoring the outer and inner surfaces of the top panel and providing slit lines or foraminating the front flap. The slit lines of foraminations in the front flap, preferably herringbone slit lines formed into the surface of the carton, extend from locations at a top flap crease in the top panel to positions adjacent a lifting tab portion provided at the free edge of the front flap. A pair of spaced apart first and second score lines are formed in the upper surface of the top panel along the crease line forming the folding edges of the side flaps and along the back flap, whereas a pair of third and fourth score lines in the lower surface are closely spaced apart from and in parallel with but wider spread apart than the first and second score lines.

REFERENCES:
patent: 2973086 (1961-02-01), Thompson
patent: 3004697 (1961-10-01), Stone
patent: 3246829 (1966-04-01), Sexton
patent: 3301391 (1967-01-01), Guyer
patent: 4043503 (1977-08-01), Meyers et al.
patent: 4449633 (1984-05-01), Johnson et al.
patent: 4550834 (1985-11-01), Fletcher et al.
patent: 4584202 (1986-04-01), Roccaforte

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