Flat Lid Packaging With Angular Securing Means
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Solution Overview
Problem
Conventional food packaging with separate lids faces challenges in design and manufacturing due to the use of different materials, particularly in ensuring reliable closure and ease of handling, while also needing to address environmental concerns and economic feasibility.
Innovation Solution
A packaging design featuring a flat lid with free edges that corresponds formally with the container, using specific solidarization means at angular areas, such as reception and support gorges, and counter-deputies for secure clipping, allowing for adjustable closure and easy handling, and incorporating a transparent film for gas exchange and printing options.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a flat lid made of cardboard is used to close the container, then manufacturing cost and environmental performance are improved, but reliable closure and sealing become more difficult to achieve
Solution Approach 1:
The patent applies local quality by providing specific securing means (grooves with undercuts) at the angular zones of the packaging rather than uniform sealing along the entire periphery. This localized approach allows the flat cardboard lid to be reliably secured at critical corners while maintaining manufacturing simplicity and cost-effectiveness.
2Device complexity
If simple adjustment of peripheral shapes over the entire periphery is used for lid fixing, then manufacturing simplicity is improved, but sealing precision and closure completeness deteriorate
Solution Approach 1:
Instead of uniform peripheral adjustment, the patent implements localized securing means at angular zones with grooves and undercuts. This provides precise sealing at critical corners while keeping the overall fixing mechanism simple and easy to manufacture.
3Stability of the object's composition
If hinged mechanisms are used to connect lid and container, then structural stability is improved, but design flexibility and material selection are restricted
Solution Approach 1:
The patent segments the closure system by using an independent lid separate from the container body, connected through simple securing means at angular zones. This eliminates the need for hinged mechanisms, allowing independent selection of materials (cardboard for lid, plastic or bio-sourced for container) while maintaining structural stability during transport and handling.
4Reliability
If precise and complex implementation of sealing means is used, then closure completeness is improved, but ease of handling and locking/unlocking operations deteriorate
Solution Approach 1:
The patent achieves complete closure through localized securing means at angular zones rather than complex peripheral sealing mechanisms. The grooves with undercuts provide reliable engagement that is simple to operate, allowing easy placement and removal of the lid while ensuring complete sealing.
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 design provides a cost-effective and environmentally friendly solution that ensures reliable closure, easy handling, and flexible gas exchange, while leveraging the properties of cardboard and plastic or bio-sourced materials for enhanced ecological and economic performance.
Implementation Method 1
incorporating a transparent film for gas exchange and printing options
Data Source
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AI summary
Food product packaging consisting of two elements, a container with a base and peripheral wall and an independent lid (10), the lid (10) being flat and having free edges having an overall shape correspondence with the container in order to close it in a stable lid closing position, means of securing (11) the lid (10) to the container being provided at least in the angular areas of the packaging.