Stackable Display Containers with Non-Flat Surfaces
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Solution Overview
Problem
Traditional containers for food items, such as sandwiches, are limited in their ability to display contents while stacked and are unstable on angled shelves, with the risk of damaging labels during stacking.
Innovation Solution
A stackable display container design featuring a cover portion with a non-flat presentation surface and a base portion with a mating surface and stacking feet, allowing for secure stacking and panoramic viewing of the contents without label interference, using a living hinge and interlocking grooves and ridges for stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional containers are stacked for display, then shelf space efficiency is improved, but the ability to display contents and stability is worsened
Solution Approach 1:
The container is divided into distinct base and cover portions with specific stacking features (feet and recesses) that enable stable vertical stacking while maintaining display functionality. This segmentation allows independent optimization of stacking stability and content visibility.
Solution Approach 2:
The non-flat presentation surface and angled mating surfaces introduce dimensional variation that enables stable stacking on angled shelves while maintaining content visibility. The angled surfaces create mechanical interlocking that prevents sliding while the non-flat top allows viewing through the container walls.
2Productivity
If containers are stacked to save space, then storage efficiency is improved, but label damage risk increases
Solution Approach 1:
The stacking contact points are extracted from the label areas and concentrated on dedicated feet and recesses. This separation ensures that stacking forces are applied to structural elements rather than labels, preventing label damage during stacking operations.
Solution Approach 2:
The stacking feet and recesses act as intermediary elements between containers during stacking. These features distribute and redirect stacking forces away from vulnerable label areas to the structural base and cover portions, protecting labels from damage.
3Productivity
If containers are stacked for display, then shelf space efficiency is improved, but content visibility is worsened
Solution Approach 1:
The non-flat presentation surface with curved portions and peaks creates optical pathways that allow viewing through the container walls at various angles. This curvature enables customers to see contents from multiple perspectives while the container remains stacked, maintaining both space efficiency and visibility.
Solution Approach 2:
The angled mating surfaces and non-flat presentation surfaces create dimensional variations that allow light to pass through the container walls at angles, enabling content visibility through the stacked containers. The angled surfaces redirect viewing angles while maintaining structural stability.
Data Source
AI summary
Disclosed are display containers (e.g., for packaging food items). Certain embodiments of the container are stackable and include a cover portion of the container having a non-flat presentation surface, and one or more stacking recesses defined between the non-flat presentation surface and at least one of the one or more cover body sides. A base portion of the container can include a mating surface shaped to mate with a portion of the non-flat presentation surface when stacked on a corresponding bottom container such that an inside of the corresponding bottom container can be viewed through the non-flat presentation surface of the bottom container. The base body can include one or more stacking feet extending from the base body and configured to insert into the one or more stacking recesses when stacked on the cover portion of the corresponding bottom container such that the one or more stacking feet engage the cover portion.