Liquid Applicator Tip Retention via Merged Valve Capture
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Solution Overview
Problem
Existing liquid applicator devices face challenges in preventing the removal of the applicator tip, dispensing a finer amount of liquid, and simplifying design while reducing manufacturing costs and parts.
Innovation Solution
A liquid applicator device with a closure and valve mechanism that includes a capture system with resilient fingers to secure the applicator tip, a spring for sealing, and a ferrule for mechanical strength, allowing for efficient dispensing and preventing tip removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a capture system with resilient fingers is added to prevent tip removal, then tip retention is improved, but device complexity increases
Solution Approach 1:
The capture system with resilient fingers is integrated into the existing valve body structure, merging the tip retention function with the valve housing rather than adding a separate component. This combines multiple functions (valve operation and tip retention) into a single structural element, improving reliability while minimizing complexity increase
2Device complexity
If the valve mechanism is simplified to reduce parts, then manufacturing cost is reduced, but sealing reliability may worsen
Solution Approach 1:
The valve stem, capture fingers, and sealing surfaces are integrated into a single molded valve body component, eliminating the need for separate valve assemblies while maintaining effective sealing through precisely formed integral sealing surfaces and spring-loaded valve elements
Solution Approach 2:
The resilient capture fingers automatically engage and retain the applicator tip through their inherent elasticity, while the spring-loaded valve mechanism self-regulates liquid flow based on applied pressure, reducing the need for additional control components and assembly steps
3Adaptability or versatility
If the applicator tip is made removable for replacement, then adaptability is improved, but ease of operation worsens due to potential accidental removal
Solution Approach 1:
The capture system uses resilient fingers that provide dynamic retention - firmly holding the tip during normal use through elastic engagement, yet allowing intentional removal when sufficient force is applied, adapting the retention strength based on user input while preventing accidental loss
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
The device effectively inhibits tip removal, allows for finer liquid dispensing, simplifies design, reduces manufacturing complexity, and enhances user safety with improved sealing and assembly efficiency.
Implementation Method 1
A spring acts between the valve body and the valve element for biasing the valve element into sealing engagement with the sealing surface of the valve seal for inhibiting the flow of the applicator liquid from the applicator liquid container
Implementation Method 2
A capture system with resilient fingers to secure the applicator tip
Data Source
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AI summary
A liquid applicator device is disclosed for dispensing an applicator It quid from an applicator liquid container. The liquid applicator device comprises a closure having an internal passageway for sealing with, the applicator liquid container. A dispensing mechanism is disposed in the internal passageway of the closure. An applicator located in the passageway engaging with the valve element for enabling a depression of the applicator to displace the valve element from the sealing surface to enable the flow of the applicator liquid from die liquid container into the applicator. A capture extends from the valve element for grasping the applicator for inhibiting removal of the applicator from the passageway.