Elevatable Microwave Carton for Pizza Browning and Crisping
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Solution Overview
Problem
Microwave ovens inadequately cook dough-based food items, failing to achieve uniform heating and browning/crisping of both the bottom and top surfaces of food items, particularly pizzas and pies.
Innovation Solution
A reconfigurable carton construct with movable panels and microwave energy interactive elements that elevate the food item, allowing for enhanced heating, browning, and crisping by directing microwave energy and venting steam, while maintaining the food in an elevated position during cooking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If food items are heated directly on the microwave oven floor, then heating is simple and quick, but the bottom surface cannot achieve browning and crisping
Solution Approach 1:
The bottom panel includes a movable portion that can be moved from a first position substantially coplanar with the remainder of the bottom panel to a second position out of the plane of the remainder of the bottom panel. This dynamic transformation allows the packaging construct to transition from a storage container to a heating construct with elevation capability, enabling browning and crisping of the bottom surface while maintaining simplicity
Solution Approach 2:
The bottom panel is divided into a movable portion and a remainder portion, allowing independent movement of the movable portion to create elevation. This segmentation enables the construct to provide bottom surface browning and crisping capabilities without requiring a completely complex multi-component system
2Temperature
If commercially available packages use bottom elevation to brown/crisp the bottom surface, then bottom surface quality improves, but the top or edge crust cannot be browned or crisped
Solution Approach 1:
The packaging construct is designed to perform multiple functions: it serves as both a storage container and a heating construct with elevation capability. The movable bottom portion enables bottom surface browning and crisping, while the overall construct design supports top surface heating, achieving multi-functional versatility in a single system
Solution Approach 2:
The invention adds the dimension of vertical elevation by moving the bottom panel portion out of its coplanar position. This dimensional change creates space for the food item to be elevated, enabling simultaneous bottom surface browning and top surface heating that wasn't possible with flat placement
3Temperature
If the bottom panel is made movable to elevate food, then browning and crisping capability is achieved, but the structural complexity and manufacturing difficulty increase
Solution Approach 1:
The bottom panel incorporates a movable portion that can transition between coplanar and elevated positions through folding or pivoting motions. This dynamic design enables the simple transformation from storage container to heating construct with elevation, achieving surface browning and crisping capabilities while maintaining ease of manufacture through straightforward mechanical movement
Solution Approach 2:
By segmenting the bottom panel into movable and remainder portions, the invention creates a simple hinge or fold mechanism that is easy to manufacture. This segmentation allows the movable portion to be independently positioned to create elevation without requiring complex assembly procedures
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The construct ensures even heating and browning/crisping of both surfaces of dough-based food items, improving cooking outcomes by utilizing microwave energy interactive elements and venting mechanisms to manage heat and steam effectively.
Implementation Method 1
heating, browning, and/or crisping a food item in a microwave oven
Implementation Method 2
venting mechanisms to manage heat and steam effectively
Data Source
Figure 1A
Figure 1B~1C
Figure 1D~1E
AI summary
A microwave heating construct includes a movable portion defined at least partially by lines of disruption extending between adjacent edges of the bottom panel. The movable portion is adapted to be moved towards the interior space for maintaining a food item in an elevated position within the construct. A susceptor or other microwave energy interactive element may be joined to the movable portion to enhance heating, browning, and/or crisping of the food item.