Bag in Box Container Collar Retention Strength
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Solution Overview
Problem
Existing bag in box containers lack robustness to handle hazardous materials and have inadequate interface and retention strength, failing to meet stringent requirements such as ANTT 420 legislation.
Innovation Solution
A container design featuring a double or triple wall construction with a collar and carton configuration, where the collar is attachable between panels of the outer and inner wrap portions, providing enhanced strength and compliance with regulatory standards through a corrugated paperboard structure and specific panel configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a single-wall carton construction is used, then the device complexity is reduced, but the strength and robustness are insufficient to handle hazardous materials
Solution Approach 1:
The carton is divided into multiple walls (first wall, second wall, third wall, fourth wall) that are interconnected through folding lines and adhesive strips. This segmentation allows each wall to contribute to the overall structural strength while maintaining a manageable construction process.
Solution Approach 2:
The carton utilizes a composite structure combining multiple layers of cartons material with adhesive strips. The first and second walls are connected through adhesive strips applied at specific locations, creating a composite structure that enhances strength while controlling complexity.
2Reliability
If the collar is positioned between panels of double or triple wall construction, then the interface and retention strength are improved, but the device complexity increases
Solution Approach 1:
The collar opening is specifically positioned to engage with the collar at a localized region where the first and second walls meet. This local engagement point provides concentrated retention strength at the critical interface between the collar and carton, rather than distributing the connection throughout the entire structure.
Solution Approach 2:
The first and second walls act as intermediary elements between the collar and the rest of the carton structure. The collar opening engages with these walls, which then transmit the retention forces to the overall carton assembly, providing a reliable interface while managing structural complexity.
3Manufacturing precision
If adhesive strips are applied at specific locations on the carton walls, then the manufacturing precision is improved, but the ease of manufacture decreases
Solution Approach 1:
Adhesive strips are pre-applied to specific locations on the carton walls (first wall and second wall) before final assembly. This preliminary action ensures precise adhesive placement at critical joining points, improving manufacturing precision while the modular design keeps the overall assembly process manageable.
Data Source
AI summary
A container having an outer carton and a collar. The outer carton has an outer wrap portion and an inner wrap portion each defined by a plurality of panels that cooperatively define a rectangular cubic configuration. An opening for a collar defined in at least one panel of each of the outer and inner wrap portions. The collar is attachable to the inner wrap portion and the outer wrap portion, with a portion thereof positioned between panels thereof.