Thermally insulative and shock resistant food packaging

Details Thermally insulative and shock resistant food packaging Thermally insulative and shock resistant food packaging

1988-02-24

1991-02-19

Leung, Philip H.

Electric heating

Metal heating

Of cylinders

426113, 426234, 426241, 206564, H05B 680

Patent

active

049946382

ABSTRACT:
A self-supporting tray-like product container (especially for food) having an inner dished part for accommodating the product in a first well, and an outer dished part having a second well into which the first well protrudes, the inner and outer parts contacting and being joined to each other at their respective peripheral edges otherwise with their wells in all-round mutually-spaced relation. The spacing provides thermal and/or shock insulation and allows the inner and outer parts to be made of different materials especially one having different thermal deformation resistances which allows use of the package in either a conventional or a microwave oven or both according to the materials chosen.

REFERENCES:
patent: 2218724 (1940-10-01), Rudd
patent: 3287140 (1966-11-01), Brussell
patent: 3979572 (1976-09-01), Ito et al.
patent: 3997677 (1976-12-01), Hirsch et al.
patent: 4210674 (1980-07-01), Mitchell
patent: 4478349 (1984-10-01), Haverland, Jr. et al.
patent: 4486640 (1984-12-01), Bowen et al.
patent: 4701585 (1987-10-01), Stewart

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