Packaging Container Overlapping Strip Ventilation Design
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Solution Overview
Problem
Packaging containers for granular or powdery materials face challenges in venting to release trapped air or gases while maintaining a tight seal to prevent material loss and moisture ingress, especially during long-term storage or when filled with fine-grained substances.
Innovation Solution
A packaging container design featuring an outer overlapping strip that seals over an inner overlapping strip with filter openings, allowing for effective ventilation by lifting and spreading to release gases while maintaining a barrier against moisture and external substances, utilizing a large-area filter with fine-pored options for mechanical processing and sealing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the packaging container is provided with ventilation openings to allow air and gases to escape, then ventilation capability is improved, but the risk of moisture ingress and foreign matter penetration increases
Solution Approach 1:
The patent applies local quality by differentiating the properties of the filter layer at different locations. The filter layer has fine-pored structures in certain areas to prevent moisture ingress while maintaining ventilation capability in other areas. This localized differentiation allows the packaging container to simultaneously achieve protection against harmful factors and maintain ventilation functionality.
Solution Approach 2:
The patent employs composite materials by combining a filter layer with specific pore structures and an overlapping strip structure. The filter layer material is selected to have appropriate permeability characteristics that balance ventilation and moisture protection. This composite approach enables the packaging container to resist moisture ingress while maintaining effective ventilation.
2Reliability
If the overlapping strip is designed with fine-pored filter to prevent material loss, then sealing effectiveness is improved, but ventilation permeability deteriorates
Solution Approach 1:
The patent applies local quality by differentiating the properties of the filter layer at different locations. The filter layer has fine-pored structures in certain areas to prevent material loss while maintaining ventilation capability in other areas. This localized differentiation allows the packaging container to simultaneously achieve protection against harmful factors and maintain ventilation functionality.
Solution Approach 2:
The patent employs dynamics by designing the overlapping strip to be movable rather than fixed. The overlapping strip can move relative to the filter layer, allowing it to adapt to changes in internal pressure and volume. This dynamic design enables the system to maintain sealing effectiveness while preserving ventilation permeability through adaptive positioning.
3Object-affected harmful factors
If the packaging container is sealed tightly to prevent material loss and moisture ingress, then protection against harmful factors is improved, but ventilation capability deteriorates
Solution Approach 1:
The patent applies segmentation by dividing the packaging container structure into distinct functional components: a filter layer for protection, an overlapping strip for sealing and ventilation control, and opening structures for gas escape. This segmentation allows each component to perform its specific function independently, enabling the container to maintain protection against harmful factors while preserving ventilation capability through coordinated operation of the segmented parts.
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
Ensures reliable sealing and ventilation, preventing material loss and moisture ingress, even with fine-grained substances, by using a closed external overlapping strip to cover and protect inner openings, allowing for efficient air and gas release through a large filter surface.
Implementation Method 1
The outer overlapping strip (9) is closed on the surface and effectively covers the underlying filter or perforation areas
Implementation Method 2
The permeability for ventilation as well as the retention of the packaged goods during ventilation is determined by the inner openings and, if applicable, the filter layer on the inner overlapping strip
Implementation Method 3
should be equipped with ventilation options to allow air that has entered during filling and with the filling material to escape
Data Source
Figure 1
Figure 2~4
AI summary
The packaging container (1) has walls (2,3,4) made of foil, where a wall is assembled from two wall sections (6,7), which overlap together in an inner and an outer overlapping strip (9) for covering an intermediate ventilation passage (5). The outer overlapping strip is formed without outer opening and covers an underlying flat filter.