Stackable Container Alignment Feature for Lateral Stability
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing containers lack effective stacking properties, which can lead to instability and potential damage during storage, transportation, and display, especially when filled with perishable materials that undergo thermal processes.
Innovation Solution
The design incorporates an alignment feature, such as an annular rim, that extends from the seam of one container to align and resist lateral movement when stacked with another, ensuring stability and preventing shifting or tipping by contacting the seam of the adjacent container.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If containers are designed without alignment features, then manufacturing complexity is reduced, but stacking stability deteriorates leading to lateral movement and potential damage during storage and transportation
Solution Approach 1:
The container is divided into functional segments: the seam structure is segmented into inner segment, outer segment, and shoulder segment; the alignment feature is segmented into inner segment and outer segment. This segmentation allows each part to perform its specific function while maintaining overall stacking stability without excessive complexity.
Solution Approach 2:
The alignment feature acts as an intermediary element between the seam of one container and the seam of the adjacent container. The inner segment of the alignment feature contacts the outer surface of the adjacent container's seam, preventing lateral movement while the outer segment contacts the inner surface of the same container's seam, thus mediating the interaction between stacked containers.
2Stability of the object's composition
If containers are stacked without alignment features, then handling and storage space utilization improve, but lateral movement occurs causing potential damage and instability
Solution Approach 1:
The alignment feature is merged with the seam structure during the manufacturing process. The inner segment of the alignment feature is coupled to and positioned between the first end wall and the shoulder segment, while the outer segment is coupled to and positioned between the inner segment of the alignment feature and the outer segment of the first seam. This integration allows the alignment feature to be manufactured as part of the seam formation process, maintaining ease of manufacture while providing stacking stability.
3Stability of the object's composition
If the alignment feature contacts the adjacent container's seam, then lateral movement is prevented, but stress concentration may occur at the contact point
Solution Approach 1:
The alignment feature provides localized contact at specific points on the seam surface. The inner segment contacts the outer surface of the adjacent container's seam at a defined location, distributing the stabilizing force locally without requiring continuous contact along the entire seam, thus maintaining seam strength while preventing lateral movement.
Data Source
AI summary
A container configured to be stacked adjacent to a second container is provided. The container includes a sidewall having a first end, an end wall having a peripheral edge, a seam coupling the peripheral edge of the end wall to the first end of the sidewall, and an alignment feature coupled to the seam. The alignment feature includes an inner surface. The alignment feature is positioned relative to the seam such that, when the container is stacked adjacent to the second container, the inner surface of the alignment feature contacts an outer surface of a seam of the second container, the contact resisting lateral movement of the container relative to the second container.


