Corrugated Pizza Package With Reclosable Tear-Off Lid
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing packaging for frozen pizzas is unsuitable for transporting prepared pizzas, as it lacks heat insulation, protection against grease and steam, and is not dimensionally stable, making it cumbersome and unsafe for consumer use.
Innovation Solution
A single-piece, foldable cardboard packaging with a tear-off lid and perforation for easy opening and closing, using corrugated cardboard with virgin fibers for improved heat resistance and stability, allowing easy product insertion and removal, and serving as a stable base for consumption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If flat cardboard packaging is used for frozen products, then the packaging is lightweight, space-saving, and cost-effective, but it lacks heat insulation and dimensional stability, causing the pizza to cool down rapidly and the packaging to become unstable
Solution Approach 1:
The packaging uses corrugated cardboard with virgin fibers, which provides both thermal insulation properties and dimensional stability. The corrugated structure creates air pockets that reduce heat transfer, while the virgin fiber material maintains structural integrity under heat and moisture exposure.
2Ease of operation
If the packaging opening is designed for removing frozen product, then the packaging is simple and cost-effective, but it is not suitable for inserting hot prepared pizza back into the packaging
Solution Approach 1:
The packaging design allows the same opening mechanism to serve multiple functions: removing the frozen product initially, and later inserting the prepared hot pizza back into the packaging for transport or consumption. The front opening design accommodates both operations effectively.
3Weight of moving object
If thin cardboard packaging is used, then the packaging is lightweight and cost-effective, but it cannot protect the underlying surface from cuts, heat, and contamination
Solution Approach 1:
The corrugated cardboard structure provides enhanced protection against cuts, heat, and contamination while maintaining lightweight properties. The fluted middle layer of corrugated cardboard adds structural strength and heat resistance without significantly increasing weight.
4Ease of manufacture
If the packaging is designed to be machine-foldable, then the packaging is suitable for industrial production and cost-effective, but it is not suitable for hand-folding by consumers
Solution Approach 1:
The packaging incorporates pre-scored lines and perforations that guide both machine folding and consumer opening actions. These segmented features allow efficient machine production while providing clear instructions for consumers to open the packaging by hand without difficulty.
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 packaging maintains product warmth, protects against moisture and contamination, and ensures food safety during transport and consumption, while being lightweight, stackable, and cost-effective.
Implementation Method 1
the packaging is neither sufficiently heat-insulating nor protected against deterioration from grease or steam
Implementation Method 2
the packaging remains dimensionally stable during the transport of the prepared product, and in particular is resistant to moisture penetration by the prepared product
Data Source
Figure 1a~1b
Figure 2a~2b
Figure 3
AI summary
The invention relates to a package (10) for receiving a flat frozen product (1), in particular a frozen pizza, wherein the package has a top (11), a bottom (12), a front (13), a back (14) and at least two further sides (15, 16) which form an interior for receiving the frozen product, and consists essentially of a single piece of folded and glued corrugated cardboard, the front having a flap (23) and a slot (25), the package having a tear perforation (20) which encloses the flap and a lid part (21) of the top, so that by tearing along the tear perforation and opening the lid part (21) the package is opened, wherein by opening the lid part into an open position an opening in the shape of the lid part is created in the top through which the frozen product can be removed from the interior.The opening can be closed again by folding the lid part back into a closed position, whereby in the closed position the tab can be inserted into the slot, and by inserting the tab into the slot the lid part can be fixed in the closed position.