Carton Strut Apertures for Container Retention
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Solution Overview
Problem
Conventional cartons fail to securely retain containers, allowing them to be pulled downward or pivot excessively due to inadequate engagement mechanisms.
Innovation Solution
A carton design featuring upper and lower struts with tab-receiving apertures and brace apertures in the side panels that securely engage container flanges, preventing downward pull and excessive movement during the packaging process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional cartons use simple aperture engagement, then the device complexity is low, but the containers can be pulled downward or pivot excessively (reliability deteriorates)
Solution Approach 1:
The carton structure is segmented into multiple functional components: upper struts with tab-receiving apertures, lower struts with tabs, and brace apertures in side panels. Each segment performs a specific engagement function with the container flanges, distributing the retention task across multiple discrete elements rather than relying on a single engagement mechanism.
Solution Approach 2:
The engagement mechanism uses nested elements where tabs on lower struts are received within tab-receiving apertures in upper struts, creating a nested configuration. Additionally, the struts and brace apertures are positioned to engage nested portions of the container flanges, providing multi-level engagement that enhances retention security.
2Reliability
If the carton is tightly wrapped around containers during erection, then container retention is improved, but the manufacturing precision requirements increase
Solution Approach 1:
The carton structure incorporates local quality variations through differently configured engagement elements at specific locations. Upper struts have tab-receiving apertures positioned to engage specific portions of flanges, while lower struts have tabs for complementary engagement. Brace apertures are strategically positioned in side panels to engage flanges at brace locations, providing localized engagement zones that guide proper positioning during erection.
Solution Approach 2:
The engagement elements are pre-configured in the carton structure before container insertion. The tabs, tab-receiving apertures, and brace apertures are positioned in advance to automatically guide and secure the container flanges during the erection process, reducing the precision requirements for manual positioning.
Data Source
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AI summary
A package (200) is formed from a carton (150) and containers (170) extending through a bottom panel (30) of the carton. Engaged upper and lower strut pairs (81, 101) and brace apertures (22, 42) in the carton sidewalls (20, 40) provide support for the containers accommodated within the carton.