Rotatable Closure Assembly for Leak-Resistant Container Resealing
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Solution Overview
Problem
Conventional container closures suffer from leakage, contamination, difficulty in operation, especially for individuals with limited dexterity, inability to reseal easily, and environmental concerns from single-use plastic caps.
Innovation Solution
A closure assembly with a coupling member, lid assembly, and locking mechanism that allows for selective closure engagement and disengagement, featuring a pivotable support member, rotatable closure member, and actuating mechanism for user control, enhancing sealing and ease of use while promoting sustainability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional snap-on or screw-on lids are used, then the closure can be easily manufactured and applied, but leakage and contamination occur due to improper sealing
Solution Approach 1:
The closure assembly is divided into distinct functional components: a coupling member with outlet, a lid assembly with support member, and a closure member. This segmentation allows each component to be optimized for its specific function while maintaining overall sealing reliability through coordinated interaction between parts.
Solution Approach 2:
The closure member is rotatably supported by the support member, creating a nested arrangement where the closure member can rotate within the confines of the support member structure. This nested configuration enables reliable sealing through rotational engagement while maintaining a compact overall structure.
2Ease of operation
If traditional closure arrangements are used, then the structure remains simple, but users experience difficulty in operation especially during exercising or with limited dexterity
Solution Approach 1:
The closure member is designed to rotate between a first position (forming closure engagement with the outlet) and a second position (disengaged from the outlet). This dynamic rotational mechanism allows users to easily open and close the container by simply rotating the closure member, significantly improving ease of operation compared to traditional snap-on or screw-on lids that require complex manual manipulation.
Solution Approach 2:
The support member acts as an intermediary between the coupling member and the closure member, providing rotational support and facilitating smooth operation. This intermediary structure enables the closure member to rotate effortlessly while maintaining proper engagement with the outlet, reducing the physical effort required by users with limited dexterity.
3Reliability
If conventional closures are used, then the initial sealing is achieved, but resealability is poor once opened leading to product wastage
Solution Approach 1:
The rotatable closure member can be repeatedly positioned between the first position (sealed) and second position (open) without degradation of sealing performance. This dynamic design allows the closure to be opened and closed multiple times while maintaining reliable resealability, preventing product wastage that occurs with conventional single-use or difficult-to-res seal closures.
Solution Approach 2:
The closure assembly maintains its sealing capability continuously through multiple open-close cycles. The rotational mechanism ensures that the closure member consistently forms proper engagement with the outlet each time it is returned to the first position, enabling continuous reuse of the container without loss of sealing effectiveness or product wastage.
4Reliability
If conventional closure arrangements are used, then the design remains simple, but unintentional disengagement occurs causing accidental spillage
Solution Approach 1:
The closure member's rotational design allows it to be securely positioned in the first position where it forms closure engagement with the outlet. The rotational mechanism inherently provides positioning stability, preventing unintentional disengagement while still allowing intentional opening by the user. This dynamic positioning system enhances anti-spill capability without requiring overly complex locking mechanisms.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Provides secure, user-friendly sealing, prevents accidental spillage, and reduces environmental impact by offering resealability and eco-friendly design.
Implementation Method 1
the closure member is configured to bias towards the first position by a first resilient member provided between the closure member and the support member
Implementation Method 2
a gasket is disposed in the closure member for forming a seal with the coupling member
Data Source
AI summary
A closure assembly for a container, comprising a coupling member adapted for engaging with an opening of the container and a lid assembly connected with the coupling member forming a closure for the opening. The lid assembly comprising a support member pivotably mounted to the coupling member, a closure member rotatably supported by the support member for allowing rotational movement with respect to the support member, and adapted for forming a closure engagement with an outlet of the coupling member. The closure assembly is provided with a locking mechanism configured for selectively maintaining the closure engagement, with the closure member rotatable between a first position in which the closure member and the outlet is sealed, and a second position in which the closure member is free to be disengaged from the outlet.