Heat-sealable, ovenable containers and method of manufacture

Details Heat-sealable, ovenable containers and method of manufacture Heat-sealable, ovenable containers and method of manufacture

1980-12-31

1983-06-14

Culver, Horace M.

Package making

Methods

Closing package or filled receptacle

156 69, B65B 728, B65B 5110

Patent

active

043875513

ABSTRACT:
A heat-sealable, ovenable container and method of manufacture wherein one of the components of the container, for example, the tray, is provided with a thermoplastic polyester coating and the other component, for example, the lid, is provided with a thermosetting polyester coating, said coatings cooperating to produce a self-venting, easy-tear, sanitary seal.

REFERENCES:
patent: 2586446 (1952-02-01), Stockburger
patent: 3060652 (1962-10-01), Eckman
patent: 3488201 (1970-01-01), Pizarro
patent: 3583125 (1971-06-01), Vermeulen
patent: 3645825 (1972-02-01), Gaunt et al.
patent: 3701699 (1972-10-01), Jackson
patent: 3865302 (1975-02-01), Kane
patent: 3937396 (1976-02-01), Schneider
patent: 3997677 (1976-12-01), Hirsch et al.
patent: 4210674 (1980-07-01), Mitchell

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