Envelopes – wrappers – and paperboard boxes – Paperboard box – Wrapper type
Patent
1987-12-24
1989-03-21
Marcus, Stephen
Envelopes, wrappers, and paperboard boxes
Paperboard box
Wrapper type
206 4519, 229104, 229119, 229903, 229906, 426113, 426114, 426122, B65D 554, B65D 8536
Patent
active
048135941
ABSTRACT:
This relates to a carton for packaging a product which is to be processed in a microwave. The carton includes a top wall which is hinged to a portion of a rear wall and has a glue flap bonded to a removable portion of a front wall. The carton is formed of a delaminatable web with the top wall having transversely spaced score lines in opposite faces thereof whereby the carton is openable by removing the removable portion of the front wall and then peeling a major portion of the top wall from border portions thereof to open the carton. After the product has been removed, the top wall is swingable into the interior of the carton to form a support platform for the product. The support platform is positioned a predetermined distance above the bottom wall of the carton to provide for a maximum efficiency of the heating of the product within a microwave oven.
REFERENCES:
patent: 1678671 (1928-07-01), Duffield
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patent: 2993633 (1961-07-01), Keller
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patent: 3324999 (1967-06-01), Farquhar
patent: 4449633 (1984-05-01), Johnson et al.
patent: 4584202 (1986-04-01), Roccaforte
Brown William M.
DeCarlo Frances
Brown Charles A.
Brown Charles E.
Elkins Gary E.
Federal Paper Board Co., Inc.
Marcus Stephen
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