Envelopes – wrappers – and paperboard boxes – Paperboard box – With closure for an access opening
Patent
1990-05-14
1991-07-09
Moy, Joseph Man-Fu
Envelopes, wrappers, and paperboard boxes
Paperboard box
With closure for an access opening
426106, 426115, 220 2386, B65D 524
Patent
active
050297503
ABSTRACT:
In a receptacle for receiving products, in particular food, to be heated up, for example in a baking oven, microwave oven or the like, a container tray (1) is provided at least partially with an approximately horizontally projecting rim strip (7). The latter has a supporting strip (8) of a blank (P) placed beneath it, while a film, a cover or the like is situated on the rim strip (7). For this purpose, the blank (P) has a continuous supporting strip (8) which is separated from end strips (11) and wall strips (10) respectively, arranged towards the inside of the blank, by fold lines (12) or the like, the fold lines (12) running inside that region of the blank (P) covered by the rim strip (7).
REFERENCES:
patent: 4013798 (1977-03-01), Goltsos
patent: 4304352 (1981-12-01), Humphries
patent: 4328254 (1982-05-01), Waldburger
patent: 4399159 (1983-08-01), Guibert
patent: 4531668 (1985-07-01), Forbes, Jr.
patent: 4889731 (1989-12-01), Williams, Jr.
patent: 4935252 (1990-06-01), Huang et al.
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