Packaging Stability via Elastic Element Tensioning Sequence
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Solution Overview
Problem
Existing methods for producing packaging from precut blanks face inefficiencies and reliability issues, particularly in the handling and tensioning of elastic elements, which can cause damage during the packaging erection process.
Innovation Solution
A method and system where a precut blank is erected and connected before tensioning an unstressed elastic element, ensuring the packaging has stability during tensioning and allowing for variable application of the elastic element, with stations for sequential erection and tensioning to minimize damage risks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the elastic element is tensioned before the packaging is erected and connected, then the elastic element can be applied in advance, but the packaging structure lacks stability and may be damaged during tensioning
Solution Approach 1:
The elastic element is attached to the precut blank in its unstressed state before erection, allowing preliminary preparation without causing damage. The actual tensioning occurs only after the packaging is erected and stabilized, combining the benefits of advance preparation with structural safety
Solution Approach 2:
The process is divided into distinct stages: first attaching the elastic element in unstressed state, then erecting and connecting the packaging structure, and finally tensioning the elastic element. This segmentation allows each operation to be performed under optimal conditions without compromising the other
2Strength
If the elastic element is tensioned after the packaging is erected and connected, then the packaging has sufficient stability, but the process requires multiple stations and increases production time
Solution Approach 1:
The production process is segmented into separate stations: a first station for erecting and connecting the packaging, and a second station for tensioning the elastic element. This allows each operation to be optimized independently while maintaining overall efficiency
Solution Approach 2:
The elastic element is attached in its unstressed state during the erection process, so that only the tensioning operation requires a separate station, minimizing the additional time required while ensuring structural stability
3Ease of manufacture
If the elastic element is attached to the precut blank before erection, then the application is simplified, but the elastic element may cause damage during the erection process
Solution Approach 1:
The elastic element is attached in its unstressed state (different physical parameter state) before erection, which eliminates the damaging tensile forces during the erection process. The element is then tensioned only after erection is complete, changing its physical state from unstressed to stressed under controlled conditions
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
This approach enables efficient and reliable packaging production by ensuring the packaging is stable during elastic element tensioning, reducing the risk of damage and allowing for flexible application of the advancing system, facilitating easy filling and storage.
Implementation Method 1
subsequent tensioning of the elastic element
Data Source
AI summary
The invention relates to a method for producing a packaging and a system for such. The method includes the following steps: providing a precut blank (1) consisting of a foldable material having a bottom (3) and hinged to it, lateral panels (4), a rear panel (6) and a front panel (5), fastening of an unstressed elastic element (15) to the front panel (5) or to connecting flaps (7) that are hinged to the front panel (5), erecting the lateral panels (4), the rear panel (6) and the front panel (5) out of a flat transport condition into an unfolded usable condition and connecting the lateral walls (4) with the rear panel (6) and the front panel (5) and tensioning the elastic element (15).