Carton Insulating Gap for Food Temperature Control
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Solution Overview
Problem
Existing food packaging solutions fail to effectively maintain the temperature and humidity of food items during delivery, leading to issues such as cooled hot foods and soggy cold foods, particularly affecting items like French fries.
Innovation Solution
A carton assembly with an insulating gap between the inner and outer cartons, incorporating a heat source and humidity control features to maintain temperature and humidity levels, ensuring hot foods remain hot and crispy while cold foods stay cold.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If food is packaged in conventional cartons without insulation, then the packaging is simple and cost-effective, but the temperature and humidity of food items deteriorate during delivery
Solution Approach 1:
The carton is divided into an outer carton and an inner holder that are separable components. The inner holder can be inserted into or removed from the outer carton, allowing the system to provide insulation when needed while maintaining simplicity when the inner holder is not used. This segmentation resolves the contradiction by making the insulation feature optional rather than mandatory.
Solution Approach 2:
The inner holder is nested within the outer carton, with the inner holder fitting inside the cavity of the outer carton. This nesting arrangement provides thermal insulation when both components are assembled, while still allowing the outer carton to function independently if needed. The nested structure efficiently combines two functions in a space-efficient manner.
2Reliability
If an insulating gap is introduced between inner and outer cartons, then thermal insulation is improved, but the carton assembly volume increases
Solution Approach 1:
The insulating gap is implemented partially rather than uniformly throughout the entire carton structure. The gap exists between the inner holder and outer carton walls, providing insulation where most needed, while the overall volume increase is minimized by optimizing the gap dimensions. This partial implementation resolves the contradiction by providing sufficient insulation without excessive volume increase.
3Reliability
If a support structure is added to engage the serving container, then container positioning is improved, but the device complexity increases
Solution Approach 1:
The support structure provides localized engagement points on the inner holder rather than a complex overall structure. Specific features on the inner holder engage with corresponding features on the serving container at key locations, providing stable positioning without requiring a complicated support system throughout the entire carton. This local quality approach resolves the contradiction by achieving reliable positioning with minimal structural complexity.
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 carton assembly effectively maintains food quality by reducing heat loss and controlling moisture, keeping food items at desired serving conditions during delivery, improving food quality and reducing waste.
Implementation Method 1
an insulating gap between the inner holder and the outer carton in the interior of the carton assembly for providing insulation to the inner holder
Data Source
AI summary
A carton assembly including an outer carton having a first plurality of panels extending at least partially around an interior of the carton assembly, an inner holder positioned in the interior of the carton assembly and having a second plurality of panels extending at least partially around a container receiving space for at least partially receiving a serving container, a plurality of end flaps foldably connected to a respective panel of the first plurality of panels and in at least partial overlapping relation to form a closed bottom of the carton assembly, and an insulating gap between the inner holder and the outer carton in the interior of the carton assembly for providing insulation to the inner holder.