Packaging Element for Substrate Sheets with Folded Side Panels
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Solution Overview
Problem
The existing packaging methods for stacks of printed sheets, such as banknotes, are prone to deformation and sheet slippage during handling due to jolts from transport devices, leading to sheet degradation and requiring complex installation processes with multiple operators and consumables.
Innovation Solution
A packaging assembly comprising a pallet with a central panel and side panels that are connected by fold lines, forming a self-supporting structure with Velcro-like fastening strips for secure attachment, allowing the packaging element to maintain the stack's integrity and stability during transport and storage without the need for additional tools or consumables.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If rigid retaining brackets, adhesive tape, protective caps and polymer bands are installed to prevent sheet slippage, then sheet stability is improved, but the packaging process complexity and material consumption increase significantly
Solution Approach 1:
The patent combines multiple separate packaging components (brackets, tape, caps, bands) into a single integrated cardboard packaging element with built-in reinforcing structures. The cardboard box incorporates internal support flaps and stiffening elements that provide the same stabilizing function as the multiple separate components, thereby reducing process complexity while maintaining sheet stability.
Solution Approach 2:
The cardboard packaging element serves multiple functions simultaneously: it contains the sheets, provides structural reinforcement to prevent slippage, offers protection during handling, and enables easy identification of the packaged stack. This multi-functional design eliminates the need for separate brackets, caps, and bands, reducing both complexity and material consumption.
2Reliability
If multiple operators and specialized tools are used to install packaging components, then packaging reliability is improved, but productivity decreases and operational costs increase
Solution Approach 1:
The packaging element is designed to be self-assembling and self-securing. The cardboard structure includes pre-formed flaps, slots, and interlocking features that automatically position and secure themselves during the folding process, eliminating the need for operators to manually install brackets, apply adhesive tape, or operate strapping machines. This increases productivity while maintaining reliable packaging.
Solution Approach 2:
The packaging element is divided into functional segments (base box, side flaps, reinforcing partitions, closure flaps) that can be independently formed and assembled. This segmentation allows for simplified manufacturing and easy assembly by a single operator, improving productivity while ensuring each segment performs its specific function reliably.
3Object-affected harmful factors
If traditional packaging components are used, then sheet protection is improved, but material consumption and waste increase
Solution Approach 1:
The packaging uses a composite cardboard structure combining different layers and densities of cardboard material to provide protection equivalent to rigid brackets and protective caps. The cardboard's inherent strength, combined with strategically placed reinforcing elements and folding patterns, protects sheets from damage while being fully recyclable and eliminating the need for polymer bands and adhesive tapes.
Solution Approach 2:
The cardboard packaging element is designed as a single-use protective structure that can be easily discarded after use without environmental harm, or potentially recycled. This eliminates the need for durable but non-biodegradable materials like polymer bands and adhesive tapes, reducing long-term material consumption and waste management costs.
4Adaptability or versatility
If the stack is not correctly centered on the pallet, then handling flexibility is improved, but packaging reliability decreases due to bracket detachment risk
Solution Approach 1:
The packaging element incorporates dynamic adjustment features such as expandable side flaps and flexible reinforcing partitions that can adapt to different stack positions on the pallet. These elements can extend or reposition themselves to maintain proper support and protection whether the stack is centered or offset, ensuring reliability while preserving handling flexibility.
Solution Approach 2:
The packaging structure allows for parameter changes in its configuration - the flaps and reinforcing elements can be positioned at different locations and angles depending on the stack's position. This adaptability ensures that the packaging maintains its protective and stabilizing functions regardless of whether the stack is correctly centered or slightly offset on the pallet.
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 limits sheet slippage and deformation, simplifies the packaging process, and allows for single-operator installation, reducing material usage and operational complexity while ensuring stack stability and promoting sheet drying through ventilated openings.
Implementation Method 1
Velcro-like fastening strips for secure attachment
Implementation Method 2
side panels connected to the central panel by fold lines
Implementation Method 3
promoting sheet drying through ventilated openings
Data Source
Figure 1A~2
Figure 3A~3C
Figure 4
AI summary
The invention relates to a packaging element (1A, 1B) for packaging a stack of substrate sheets placed on a pallet, the packaging element (1A, 1B) comprising: - a central panel that is intended to be pressed against a vertical face of the stack, and - two lateral panels that are connected to the central panel and, when the central panel is pressed against the vertical face of the stack, are able to be positioned one on each side of the stack of sheets, each lateral panel coming into contact with a vertical face of the pallet. The invention also relates to a method involving the fitting of a cover (41) and a closure system (42A, 42B) allowing the application of a tamper-evident seal.