Threaded Bottle Caps With One-Way Teeth and Spring Valves
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Solution Overview
Problem
Existing threaded bottle cap devices do not effectively prevent accidental removal or unauthorized refilling, especially when used in applications where the bottle is installed upside down, such as in industrial processes.
Innovation Solution
The bottle cap device incorporates a one-way tooth feature and an integrated valve mechanism, including a spring-biased valve member that moves between open and closed positions, with a seal groove and optional removable membrane to prevent unauthorized removal and maintain fluid integrity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a standard threaded bottle cap device is used, then the cap can be easily attached to and removed from the bottle, but the cap cannot effectively prevent unauthorized removal or refilling
Solution Approach 1:
The patent employs asymmetric thread profiles where the bottle cap's internal threads are designed with a specific geometry that allows easy attachment but resists removal. The external threads on the bottle are configured with a complementary but non-symmetric design that enables straightforward screwing on while preventing unscrewing off, thereby resolving the contradiction between ease of attachment and prevention of unauthorized removal.
Solution Approach 2:
The patent inverts the conventional threaded connection by making the bottle cap the female thread component and the bottle the male thread component, with the cap's internal threads designed to engage in a way that allows attachment but prevents removal. This inversion of the traditional threading arrangement solves the contradiction by maintaining ease of operation for attachment while ensuring reliability against unauthorized removal.
2Reliability
If a valve mechanism is integrated into the bottle cap, then fluid flow can be controlled, but the device complexity increases
Solution Approach 1:
The patent merges the valve mechanism directly into the bottle cap structure, combining the fluid control function with the existing cap components. The valve is integrated such that it works in conjunction with the threaded connection and sealing elements already present in the cap, thereby achieving reliable fluid flow control without proportionally increasing device complexity.
Solution Approach 2:
The bottle cap design incorporates multiple functions within a single integrated structure: it provides the threaded connection for attachment, includes sealing elements for preventing leakage, and integrates a valve mechanism for fluid flow control. This multi-functionality approach allows the cap to simultaneously achieve reliable fluid management while minimizing the need for separate components, thus controlling overall device complexity.
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 solution effectively prevents unauthorized removal of the cap from the bottle and ensures controlled fluid flow, maintaining the integrity of the contents during use and storage, particularly in industrial applications where bottles are installed upside down.
Implementation Method 1
The bottle cap device may also include a spring disposed within the internal space defined by the hub. The spring may bias the valve member towards the closed position.
Implementation Method 2
An annular cap seal member may be disposed around the hub and arranged to seal against the outlet of the bottle.
Data Source
AI summary
Fluid couplings such as threaded bottle cap devices can be configured for attachment to bottles or containers of fluids. In some embodiments, such threaded bottle cap devices can include an integrated valve mechanism and/or anti-removal features.