Paper Container With Segmented Tearable Panels
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Solution Overview
Problem
Existing paper or cardboard containers for food products face issues such as accidental tearing during transportation, tampering, and air leakage, leading to spoilage, and are difficult to recycle due to the use of plastic closing elements.
Innovation Solution
A container design featuring a first and second panel with independent tearable lines of weakness, allowing for open and close functions, and a tamper-evident mechanism, made from paper or cardboard with optional oxygen barrier layers, enabling secure and recyclable packaging.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a tearable line of weakness is used to allow easy opening, then ease of operation is improved, but reliability deteriorates due to accidental tearing during transportation
Solution Approach 1:
The container includes a first panel and a second panel, each with independent tearable lines of weakness. This segmentation allows controlled opening while preventing accidental tearing, as each panel can be independently opened or closed without affecting the other.
Solution Approach 2:
The tearable lines of weakness are pre-positioned in specific locations on the panels. These preliminary prepared lines guide the user on where to tear to open the container, while the overall structure remains intact during transportation, preventing accidental opening.
2Ease of operation
If a tearable line of weakness is used for opening, then ease of operation is improved, but harmful factors worsen due to air passage formation before tearing
Solution Approach 1:
The container is divided into two panels with independent tearable lines. The first panel can be opened without compromising the seal of the second panel, preventing air passage and product spoilage until both panels are intentionally opened.
Solution Approach 2:
The dual-panel structure with independent tear lines provides a protective mechanism that prevents harmful air passage before the intended opening occurs. The intact second panel acts as a barrier cushioning against contamination until both panels are properly opened.
3Ease of operation
If a plastic closing element is used for reclosure, then ease of operation is improved, but environmental impact worsens due to recycling difficulty
Solution Approach 1:
The container uses only paper or cardboard materials for both panels and the closing mechanism, eliminating plastic components. This homogeneity in material composition enables the entire container to be easily recycled while maintaining the reclosure function through the paper-based first and second panels.
4Reliability
If a complex closing system with plastic cap is used, then reliability is improved for preventing tampering, but device complexity increases
Solution Approach 1:
The tamper prevention function is achieved through segmentation into two independent panels with tearable lines. This simpler structure provides effective tamper evidence without requiring complex mechanical closing systems, as the integrity of both panels must be maintained for the container to be properly closed.
Data Source
Figure 1
Figure 2~2d
Figure 3~6
AI summary
This invention relates to a container (1) for food products and to a blank (S) for making the container, combined to provide a convenient closing system (110, 111, 120, 121) for closing the container (1)which allows the container to have an open and close function and to have a tamper evident function in connection with any movement of the closing system.