Carton Displaceable Tab with Non-Linear Hinge for Product Retention
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Solution Overview
Problem
Existing multipack packaging solutions lack effective means to securely retain articles while allowing for presentation, leading to potential damage and spoilage due to inadequate retention mechanisms.
Innovation Solution
A carton design featuring a displaceable tab connected to a wall with a non-linear hinge line that creates a presentation window and biases to return to its original position, providing retention force to secure the displayed article.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If a displaceable tab is used to create a presentation window, then product visibility and consumer appeal are improved, but article retention security deteriorates
Solution Approach 1:
The tab is designed to be dynamically displaceable, transitioning between a closed position (retaining the article) and an open position (displaying the article). The non-linear hinge line enables this dynamic movement while maintaining retention force through elastic deformation of the tab material.
Solution Approach 2:
The tab automatically returns to its original closed position after being displaced, using its own elastic properties to retain the article again. This self-returning mechanism eliminates the need for additional retention mechanisms while maintaining security.
2Strength
If a rigid wall structure is used for the carton, then structural strength is improved, but presentation flexibility deteriorates
Solution Approach 1:
The wall is segmented into a fixed portion (maintaining structural strength) and a displaceable tab portion (providing presentation flexibility). The non-linear hinge line creates a clear separation between these two functional zones within the same wall structure.
Solution Approach 2:
Only the local region where the tab is attached to the wall has flexible, elastic properties, while the rest of the wall maintains its rigid, load-bearing characteristics. This localized flexibility allows presentation functionality without compromising overall structural integrity.
3Ease of manufacture
If a simple linear hinge line is used for the tab connection, then manufacturing simplicity is improved, but retention force deteriorates
Solution Approach 1:
The hinge line is designed with a non-linear, curved geometry instead of a straight line. This curvature creates an arc-shaped deformation path that generates elastic restoring force, enabling the tab to return to its original position and maintain retention force on the article.
Solution Approach 2:
The non-linear hinge line changes the geometric parameters of the tab connection, transforming it from a simple pivot point into an elastic spring mechanism. This geometric transformation converts the tab into a force-generating element that actively retains the article.
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 solution effectively retains articles within the carton by utilizing a displaceable tab that returns to its original position after displaying, ensuring secure containment and enhancing product presentation.
Implementation Method 1
the displaceable tab is biased to return to the original position to retain the displayed article within the carton
Data Source
AI summary
A carton for containing one or more articles, the carton comprising a series of walls for retaining said one or more articles within 5 the carton, wherein a presentation and retention means is incorporated within one of said walls. The presentation and retention means comprises a displaceable tab (62, 68) connected to the wall (24) in which the presentation and retention means is incorporated such that once displaced to create a window for displaying an article the displaceable tab is biased to return to its original position and 10 thereby retains the displayed article within the carton. Optionally, the biasing is achieved by virtue of the connection of the displaceable tab being about a non-linear hinge line. Additionally, or alternatively, this biasing is achieved by the displaceable tab being connected a hinge line (60b, 60) co-extensive with the extent of the displaceable tab.