Affixable Container Head with Segmented Skirt Sealing
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Solution Overview
Problem
Existing containers lack a secure and efficient mechanism for removably attaching a top portion that ensures a leak-proof seal and allows for easy removal, particularly in environments with varying pressure conditions, and do not allow for separate material selection for the container and top portion.
Innovation Solution
A container design featuring a skirt with multiple segments and alignment tabs, a head with a lip that engages with a circumferential flange, and a locking mechanism, allowing for a secure attachment and easy detachment, while enabling the use of different materials for the container and top portion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a secure attachment mechanism is implemented, then the seal reliability is improved, but the device complexity increases
Solution Approach 1:
The skirt is divided into multiple segments that can flex independently, allowing the lip to engage with the circumferential flange while maintaining seal reliability. The segmentation enables the attachment mechanism to achieve secure connection without requiring complex locking structures.
Solution Approach 2:
The lip acts as an intermediary element between the skirt and the circumferential flange, creating a seal through engagement. This intermediary mechanism provides reliable sealing while keeping the overall attachment structure simple and manageable.
2Ease of operation
If a removable attachment mechanism is implemented, then the ease of operation is improved, but the seal reliability may deteriorate
Solution Approach 1:
The attachment mechanism transitions from a static fixed connection to a dynamic removable connection. The skirt segments can flex and the lip can engage and disengage from the circumferential flange, allowing easy removal while maintaining seal reliability during use through the flexible engagement design.
3Ease of manufacture
If the skirt is made as a single piece, then the manufacturing simplicity is improved, but the seal effectiveness under pressure deteriorates
Solution Approach 1:
The skirt is segmented into multiple sections that can flex independently under pressure conditions. This segmentation allows each segment to conform to the circumferential flange effectively, improving seal effectiveness while the segments can be manufactured as separate components or integrated in a way that maintains manufacturing feasibility.
4Manufacturing precision
If alignment tabs and skirt segments are added, then the manufacturing precision is improved, but the device complexity increases
Solution Approach 1:
Alignment tabs are positioned at specific locations on the upper portion to engage with corresponding features on the head. This asymmetric positioning provides precise alignment during assembly without requiring complex alignment mechanisms throughout the entire structure, thus improving manufacturing precision while limiting the increase in overall device complexity.
Data Source
AI summary
A container, with a main portion, an upper portion, and a removable head designed to attach to the upper portion. The upper portion is designed to include an opening, with an outside surface of the upper portion including a circumferential flange and at least one alignment tab. A head is designed with a receiving portion, a skirt, a lip on an inside surface of the skirt, with the head removably affixable to the upper portion of the container. The head is designed to accommodate a ball rotatably mounted and restrained. Threads and a locking mechanism may be formed on the head, which may mate with a cap, the cap designed with screw threads and a locking member on its interior.