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Microwave cooking package
| Details |
Inventors: Fisher, John R.;
Assignee: E. I. Du Pont de Nemours and Company (Wilmington, DE)
Primary Examiner: Weinstein; Steven
Assistant Examiner:
Attorney, Agent or Firm:
A package for microwaving heating or cooking a food item such as an egg roll, which requires surface browning or crispening, comprises a vented tray, a drapable, liquid permeable, microwave susceptive composite material, draped over the food item, and a film lid covering the tray and conformed to the shape of the food item. |
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DETAILED DESCRIPTION OF THE INVENTION This invention provides a packaging means which is also a means for heating or cooking foods which require a crispened or browned surface.
Such foods include egg rolls, chicken parts, fish fillets, french fried potatoes, hash brown potatoes, etc.
The packaging process of the present invention uses the well-known process of skin packaging technology, which is described in more detail in U.
S.
Pat.
No.
3,371,464, the disclosure of which is incorporated by reference.
In the process of the present invention, food 101 to be packaged is placed into a tray 103, shown in FIGS.
1 and 2 and further described below.
There is no particular limitation to the type of food which may be used, although foods which are discrete items, such as fish sticks, egg rolls, french fries or hash brown potatoes, etc.
, are preferred.
The food may be frozen or fresh.
It may be placed so that it lies entirely within the tray, below the rim 105 of the tray, or it may be placed so that it extends somewhat above the rim of the tray.
The food items may be placed in the tray in any manner desired, but if there are several such food items placed in a single tray, it is often preferable for them to be placed so as to leave a small space between each item, in order to permit more complete exposure of each food item to microwave radiation, and to permit more complete contact of each item with a microwave susceptive composite fabric [107], which covers the items as described below.
The food, tray, and fabric are skin packaged.
A suitable means for skin packaging is described in U.
S.
Pat.
application Ser.
No.
065,982, filed Jun.
24, 1987, the disclosure of which is incorporated by reference.
In the preferred process for skin packaging, one or more of such trays containing food and susceptor fabric covering are inserted into a skin packaging machine on a vacuum platen.
The plastic film, which is to form the cover or lid, is placed onto the holding frame of the machine and is secured by the appropriate means
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