Method and appliance for cooking a frozen pizza pie with microwave energy

• US 5,247,149 A
• Filed: 08/28/1991
• Issued: 09/21/1993
• Est. Priority Date: 08/28/1991
• Status: Expired due to Fees

• Current Assignee: The Stouffer Corporation
• Original Assignee: The Stouffer Corporation
• Inventors: Peleg, Yigal
• Primary Examiner(s): Reynolds, Bruce A.
• Assistant Examiner(s): HOANG, TU BA
• Application Number:
  US07/751,129
• Time in Patent Office: 755 Days
• Field of Search: 219/10.55 E, 219/10.55 F, 219/10.55 M, 426/107, 426/113, 426/243, 426/234, 99/DIG. 14, 206/497, 206/821
• US Class Current: 219/729
• CPC Class Codes: B65D 2581/3406 Pizza or bread
• CPC Class Codes: B65D 2581/3466 Microwave reactive material applied by vacuum, sputter or vapor deposition
• CPC Class Codes: B65D 2581/3472 Aluminium or compounds thereof
• CPC Class Codes: B65D 2581/3494 Microwave susceptor B65D2581/3487 takes precedence
• CPC Class Codes: B65D 81/3453 Rigid containers, e.g. trays, bottles, boxes, cups
• CPC Class Codes: Y10S 99/14 Induction heating

Abstract

A combination of a frozen pizza of uncooked dough covered with a topping layer except for an outer sauce-free ring of dough and a microwave susceptor component enables the pizza to be cooked in a microwave oven so that the outer ring is brown and crisp. The microwave susceptor component can include one element which is either directly on or supported above the dough. The susceptor component also includes a susceptor sheet on which the pizza rests.

Claims

1. An improved appliance for reconstituting a frozen pizza pie in a microwave oven, said pizza pie including a layer of dough having an upper surface covered by a precooked topping layer, except for an outer sauce-free ring of dough extending inwardly from the outer peripheral edge of the layer of dough, said improvement comprising:

a) a first component shaped as a tray-like receptacle formed of a generally rigid microwave susceptor sheet for supporting the layer of dough; and

b) a second component formed into a self-sustaining, generally rigid microwave susceptor ring having a shape substantially matching the sauce-free ring on the upper surface of the dough and being adapted to be directly exposed to the sauce-free ring of dough, said first and second components being in contact with said pizza dough forming a heat conduction relationship with said dough whereby microwave heating of said first and second components directly bakes the bottom surface of the dough and the sauce-free ring of dough on the top surface into a browned, crisp crust while said topping layer is heated by microwave energy and by heat conduction from said dough.

2. The appliance as defined in claim 1 wherein said susceptor sheet and said susceptor ring are each constructed of a thin, metallized layer on a plastic film laminated to a paperboard.

3. The appliance as defined in claim 1 wherein said susceptor sheet further includes a corrugated paper layer bonded to the paperboard positioning the tray-like receptacle from a base surface of said microwave oven.

4. The appliance as defined in claim 1 wherein said susceptor sheet includes a plurality of foldable support tabs projecting downward from the edge of the susceptor sheet to position the susceptor sheet away from a base surface of said microwave oven.

5. The appliance as defined in claim 2 wherein the surface resistivity of said metallized layer being between 13-16 ohms/inch and said paperboard has a 16 point thickness.

6. An improved appliance for reconstituting a frozen pizza pie in a microwave oven, said pizza pie including a layer of dough having an upper surface covered by a precooked topping layer, except for an outer, sauce-free ring of dough extending inwardly from the outer peripheral edge of the layer of dough, said improvement comprising:

a polyhedron shaped, tray-like receptacle including a generally rigid microwave susceptor sheet for supporting said layer of dough, said receptacle further including a plurality of heat tab means each hinged by a first edge of a fold line, said tab means being folded at said first edge to an acute angle so as to overlie said sheet thereby forming a heat concentration chamber to receive said sauce-free ring of dough, said receptacle being in heat conduction relationship with said dough whereby microwave heating of said susceptor sheet bakes the bottom surface of the dough into a browned, crisp crust, said tab means at least overlying said sauce-free ring of dough and in heat convection relationship with said outer peripheral edge of the dough and said sauce-free ring of dough whereby microwave heating of said tab means primarily and essentially uniformly bakes the outer dough surfaces by convection into a browned, crisp crust, said topping layer primarily heated from heat convection from said baked dough and by microwave energy passing through said topping layer.

7. The appliance as defined in claim 6 wherein each of the heat tab means has a second edge oppositely disposed from said first edge, the second edges of said tab means forming a substantially continuous edge which approximately overlies the junction between the sauce-free ring and the topping layer when the tab means are folded into their operative position for baking the pizza.

8. The appliance as defined in claim 7 wherein the tray-like receptacle includes a corrugated paper layer for supporting the tray-like receptacle away from an inner wall of said microwave oven in which it is disposed.

9. The appliance as defined in claim 8 wherein the polyhedron shaped fold line is perforated whereby each of said heat tab means can be folded to an operative, acute angle position from a flat, storage position in the plane of the susceptor sheet.

10. The appliance as defined in claim 9 wherein said heat tab means has an operative angle position of about 30°

to 60°

.

11. The appliance as defined in claim 10 wherein said heat tab means has an operative angle of about 45°

.

12. The appliance as defined in claim 9 further including lock means for locking adjacent tab means to each other when they are folded into their operative positions.

13. The appliance as defined in claim 6 wherein said receptacle includes a thin, metallized layer on a plastic film laminated to a paperboard.

14. The appliance as defined in claim 13 wherein the tray-like receptacle includes a corrugated paper layer for supporting the tray-like receptacle away from the bottom wall of said oven.

15. The appliance as defined in claim 6 wherein said polyhedron, tray-like receptacle is substantially octagonal in shape.

16. The appliance as defined in claim 6 wherein said polyhedron, tray-like receptacle is substantially rectangular in shape.

17. The appliance as defined in claim 13 wherein the surface resistivity of said metallized layer being between 13-16 ohms/inch and said paperboard has a 16 point thickness.

18. An improved appliance for reconstituting a frozen pizza pie in a microwave oven, said pizza pie including a layer of dough having an upper surface covered by a precooked topping layer, except for an outer sauce-free ring of dough extending inwardly from the outer peripheral edge of the layer of said dough, said improvement comprising:

a) a first component shaped as a tray-like receptacle formed of a rigid microwave susceptor sheet for supporting the layer of dough; and

b) a second component formed into a self-sustaining, generally rigid microwave susceptor ring having a shape generally matching the sauce-free ring of dough, said susceptor ring supported directly above the sauce-free ring of dough, said first component being in heat conduction with said bottom of said dough and second components being in heat convection relationship with said sauce-free ring of dough whereby microwave heating of said first and second components bakes said dough into a browned, crisp crust and primarily cooks the topping layer by heat convection through said dough; and

c) said second component having a plurality of leg flaps foldably attached to an outer edge of said susceptor ring, said leg flaps being folded into an operative position substantially perpendicular to said ring whereby said leg flaps rest on the tray-like receptacle and support said susceptor ring directly above the sauce-free ring of dough.

19. The appliance as defined in claim 18 wherein said receptacle includes a thin, metallized layer on a plastic film laminated to a paperboard.

20. The appliance as defined in claim 19 wherein the surface resistivity of said metallized layer being between 13-16 ohms/inch and said paperboard has a 16 point thickness.

21. An improved appliance for reconstituting the frozen pizza pie in a microwave oven, said pizza pie including a layer of dough having an upper surface covered by a precooked topping layer, except for an outer, sauce-free ring of dough extending inwardly from the outer peripheral of the layer of said dough, said improvement comprising:

a) a first component shaped as a tray-like receptacle formed of a rigid microwave susceptor sheet for supporting the layer of dough; and

b) a reusable second component formed into a self-sustaining, generally rigid, dome having a side wall extending downward from the upper section for supporting the dome on said susceptor sheet, a microwave susceptor integrally constructed in said side wall and disposed over the sauce-free ring of dough on the upper surface of said dough whereby microwave heating of said first component bakes the bottom of said dough by heat conduction and microwave heating of said second component bakes the sauce-free ring of dough and outer peripheral edge of the dough by heat convection such that said dough is evenly browned, forms a crisp crust and said topping layer is primarily heated by the dough.

22. The appliance as defined in claim 21 wherein said dome includes an upper central section disposed above the precooked topping layer.

23. The appliance as defined in claim 22 wherein said upper central section to said dome is penetrable by microwaves.

24. The appliance as defined in claim 23 wherein vent means are provided in the dome to release the vapor collected within the dome during the cooking of the pizza pie.

25. The appliance as defined in claim 24 wherein said vent means comprises at least one hole in the central section of said dome.

26. The appliance as defined in claim 25 wherein said dome is of a plastic material and the susceptor ring includes a thin, dome metallized layer on the plastic.

27. The appliance as defined in claim 26, wherein the surface resistivity of said metallized layer being between 13-16 ohms/inch.

28. An appliance as defined in claim 21 wherein said dome is of a plastic material and the susceptor ring includes a thin, dome metallized layer on the plastic.

29. The appliance as defined in claim 28 wherein said side wall is circular and has a concave curved surface facing the pizza pie.