Foldable Packaging Container Stacking Ledges
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The production of foldable packaging containers is complex, expensive, and generates significant waste due to the complexity of the shape of the blanks, making them inflexible and costly, with a need for standardization, modularity, and space-saving storage solutions.
Innovation Solution
A foldable packaging container design featuring a cuboid body with a base, lid, and side walls, including double-reinforced vertical stacking ledges on the lid and parallel side walls for enhanced stability and stackability, along with a simplified, one-piece blank construction that reduces cutting waste and allows for flexible, cost-effective production.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If complex-shaped blanks are used to manufacture foldable packaging containers, then the functional requirements (stacking strips, side walls, lid) are met, but material waste increases and production cost rises
Solution Approach 1:
The blank is divided into multiple surface elements (base, lid, side walls, stacking strips) that are connected via fold lines. This segmentation allows each element to serve its specific function while maintaining overall material efficiency through the unified blank structure.
Solution Approach 2:
The blank is designed to fold into a nested three-dimensional structure where surface elements are arranged to minimize material waste. The stacking strips and side walls are integrated into the same blank, creating a compact folded form that reduces material consumption compared to separate components.
2Reliability
If individually manufactured punching tools are used to create complex blanks, then functional features (stacking strips, openings, recesses) are achieved, but production complexity and cost increase
Solution Approach 1:
The blank design integrates multiple functions into a single structure: base formation, lid formation, side wall creation, and stacking strip integration all occur through one blank design. This universal approach eliminates the need for multiple specialized punching tools and assembly steps.
Solution Approach 2:
Multiple functional features (stacking strips, side walls, lid, base) that would traditionally require separate manufacturing steps are merged into a single integrated blank. This combining reduces production complexity by eliminating sequential manufacturing operations and tool changes.
3Reliability
If traditional foldable packaging containers are designed, then basic packaging function is provided, but stackability and storage efficiency are insufficient
Solution Approach 1:
The stacking strips protrude beyond the lid surface, providing more than minimal engagement for stacking. This excessive action ensures reliable stacking and nesting of multiple containers, improving adaptability for storage systems while maintaining basic packaging function.
Solution Approach 2:
The stacking strips extend in the vertical dimension beyond the lid plane, creating engagement features that enable stable stacking. This dimensional extension transforms the basic packaging container into a stackable unit suitable for vertical storage arrangements.
Data Source
Figure 1
Figure 2
Figure 3
AI summary
The invention relates to a foldable packaging container (1), such as a folding box, and a blank (20) for a foldable packaging container (1). The foldable packaging container (1) has at least a base (2) and a lid (3) as well as at least two opposing side walls (4, 5) which define an interior (6) of an at least approximately cuboid body (7).In order to provide a simple, stackable, cost-effective, waste-reduced and dimensionally stable foldable packaging container (1), at least one stacking strip (12, 13, 14, 15) is formed on opposite edges (8, 9) of the lid (3) of the foldable packaging container (1), on which one of the at least two opposite side walls (4, 5) adjoins the lid (3) in an edge longitudinal direction (10, 11), which extends at least sectionally in the edge longitudinal direction (10, 11) of the respective edge (8, 9) and projects beyond the lid (3), wherein the stacking strip (12, 13, 14, 15) is formed from a first and a second stacking strip element (16, 17) which are arranged substantially parallel to each other.