Bake in tray and method of forming a blank for the same

Details Bake in tray and method of forming a blank for the same Bake in tray and method of forming a blank for the same

1985-02-19

1986-12-23

Husar, Francis S.

Manufacturing container or tube from paper; or other manufacturi

Container making

Rigid container

493 63, 493148, 493355, 428 35, 428511, B31B 320, B31B 926, B32B 2308

Patent

active

046310460

ABSTRACT:
A folded paperboard tray suitable for cooking food products contained in the tray in a microwave oven has an interior surface which is coated with a styrene methyl methacrylate copolymer to prevent liquid seepage from the food product through the paperboard. The tray has a peripheral flange formed thereon which is connected to the remainder of the tray by means of a cut score fold line. The use of the cut score fold line prevents the copolymer coating on the tray from tearing away from the edges of the tray when the edges are cut from a stock sheet of coated paperboard.

REFERENCES:
patent: 3449257 (1969-06-01), Tuite et al.
patent: 3469737 (1969-09-01), Forrer
patent: 3645822 (1972-02-01), Widiger
patent: 4019675 (1977-04-01), Andersson
patent: 4177715 (1979-12-01), Meyers
patent: 4308985 (1982-01-01), Manizza et al.
patent: 4351473 (1982-09-01), Manizza
patent: 4421825 (1983-12-01), Seiter

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