Octagonal Flush End Container With Mitered Bridging
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Solution Overview
Problem
There is a need for a paperboard container that is stackable, structurally rigid, easy to set up, and minimizes material usage while maintaining a stable configuration during stacking, as existing containers often require additional reinforcing structures and waste material in their construction.
Innovation Solution
The development of an octagonal flush end container/tray with a mitered-bridging portion and a medial layer with horizontally arranged corrugation, which enhances stacking strength by sandwiching additional material between the inner and outer flaps, reducing waste and improving blank utilization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If multiple thicknesses and additional reinforcing structures are used in side and end walls, then structural strength and rigidity are improved, but device complexity and material usage increase
Solution Approach 1:
The patent applies nesting by placing inner flaps within outer flaps to create reinforced corner structures. The inner flaps are positioned inside the outer flaps and secured thereto, forming a nested configuration that strengthens corners without adding external reinforcing structures. This nested arrangement provides structural reinforcement while maintaining simplicity in the overall container design.
2Strength
If flutes of corrugated material are arranged to extend vertically, then structural strength is improved, but material usage increases
Solution Approach 1:
The patent applies local quality by orienting flutes horizontally in specific areas where strength is needed, rather than uniformly vertical orientation throughout. The flutes are arranged horizontally in the bottom wall and in the portions of side and end walls below the flaps, providing localized reinforcement where stacking loads are applied, while reducing overall material usage compared to uniform vertical flute orientation.
3Strength
If overlapping corner flaps are used in traditional designs, then corner strength is improved, but material waste increases
Solution Approach 1:
The patent applies discarding and recovering by eliminating the traditional overlapping corner flap configuration that creates scrap material. Instead, the design uses non-overlapping flaps with nested inner flaps secured to outer flaps, which maintains corner strength while preventing material waste. The blank is designed to utilize material efficiently without creating discarded scraps during the forming process.
4Adaptability or versatility
If inner flaps are divided and shared with outer flaps, then four additional corners are provided, but structural complexity increases
Solution Approach 1:
The patent applies segmentation by dividing the flaps into distinct inner and outer components. The inner flaps are separate from the outer flaps and are secured to the outer flaps, creating a segmented structure that forms reinforced corners. This segmentation provides the necessary corner configurations while maintaining clarity in the structural design and simplifying the manufacturing process compared to integrated flap designs.
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 provides a container with increased stacking strength by at least 8 to 12% compared to traditional designs, while minimizing material waste and simplifying the blank forming process, thus reducing production costs and improving structural integrity.
Implementation Method 1
The corrugation is arranged to extend horizontally parallel to the floor of the container
Implementation Method 2
the container has sufficient structural strength and rigidity to withstand the stacking forces
Data Source
Figure 1~2
Figure 3
Figure 4~5
AI summary
An article-transport container comprises a floor having a respective left-side and right-side closures that are foldably joined thereto. A front end wall is foldably joined to the floor and to the respective left-side and right-side closures. A rear end wall is foldably joined to the floor and to the respective left-side and right-side closures and at least one tri-layers corner cooperate with the respective left-side and right-side closures to define an interior region adapted to receive articles therein. The least one tri-layer corner includes respective outer and inner layers and a medical layer which is sandwiched between the respective outer and inner layers and a medical layer which is sandwiched between the respective outer and inner layers to enhance stacking strength of the container while minimizing scarps produced during construction of the container.