Stacking Features for Containers Prevent Nesting
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Solution Overview
Problem
Existing containers often nest when stacked, making them difficult to separate during packaging processes, and existing mechanisms to prevent nesting are insufficient as they only work against specific types of forces.
Innovation Solution
The implementation of unique stacking features on each container that extend from the upper portion toward the interior volume, with different configurations on each container to prevent nesting from any direction, including twisting and side forces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If containers are stacked during manufacturing and packaging processes, then space utilization and efficiency are improved, but the containers nest together making separation difficult
Solution Approach 1:
The patent applies asymmetry by configuring stacking features with different patterns on adjacent containers. Specifically, the stacking features on a first container are arranged in a first configuration, while stacking features on a second container are arranged in a second configuration that is offset from the first. This asymmetric arrangement prevents nested containers from aligning properly, thereby preventing nesting and facilitating easy separation while maintaining stacking efficiency.
2Reliability
If existing nesting prevention mechanisms are used, then nesting from vertical forces is prevented, but nesting from twisting or side forces is not prevented
Solution Approach 1:
The patent extends nesting prevention from a single vertical dimension to multiple dimensions by implementing stacking features that protrude from container walls into the interior volume. These features create interference patterns in radial and angular directions, not just vertically. The offset configurations of stacking features on adjacent containers prevent alignment regardless of the direction of applied force, providing comprehensive protection against nesting from twisting, side, or other unexpected forces.
3Reliability
If stacking features extend into the interior volume of containers, then nesting is prevented, but the structural complexity of containers increases
Solution Approach 1:
The patent segments the nesting prevention function into discrete stacking features that are distributed around the container perimeter rather than requiring a complete structural redesign. Each stacking feature is a localized element that protrudes from the container wall, allowing the container to maintain its overall simple structure while incorporating targeted complexity only where needed for nesting prevention.
Data Source
AI summary
A first container is provided for stacking with a second container. Each of the container include a base portion and one or more walls extending upwardly from the base portion, terminating in a flange, and defining an interior volume. Each of the containers also includes an upper portion of the one or more walls that is disposed adjacent to the flange, and one or more stacking features extend from the upper portion toward the interior volume. Each of the stacking features has a top surface and a bottom surface. The one or more stacking features of the first container are arranged in a first configuration, and the one or more stacking features of the second container are arranged in a second configuration. The first configuration is different from the second configuration such that containers are prevented from nesting together when stacked.