Visual Indicator for Pipe Fitting Security Verification
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Solution Overview
Problem
Current methods for verifying the secure connection of pipe fittings, such as the fluid test technique, are inaccurate and cumbersome, as they require a connected pipe network and can result in fluid leakage, making it difficult to assess the security of pipe fittings without causing leaks.
Innovation Solution
A visual indicator system that adheres to the outer surface of a pipe fitting, undergoing a threshold amount of circumferential change to indicate a secure connection, and disjoining when a sufficient force is applied to form a fluid-tight seal, allowing for visual confirmation of the connection's security.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a fluid test technique is used to identify unsecured pipe fittings, then the security of pipe fittings can be tested, but the process becomes cumbersome and inaccurate due to fluid leakage and the requirement to connect the pipe network prior to testing
Solution Approach 1:
The patent extracts the testing function from the connected pipe network by applying a visual indicator directly to the pipe fitting itself. The visual indicator contains the detection mechanism, allowing security verification to be performed on individual fittings without requiring the entire pipe network to be connected or filled with test fluid.
Solution Approach 2:
The visual indicator serves as an intermediary between the pipe fitting and the inspector. It translates the mechanical state of the fitting (secured or unsecured) into a visible signal, eliminating the need for complex fluid-based testing and making the detection process simple and accurate.
2Reliability
If a fluid test technique is used to test pipe fittings, then the security can be assessed, but fluid leakage occurs making it difficult to fix fittings without first leaking test fluid
Solution Approach 1:
The patent replaces the fluid-based mechanical testing system with a visual indicator system that uses no fluid. The visual indicator responds to mechanical deformation of the pipe fitting through visual changes, eliminating all harmful fluid leakage while maintaining accurate security detection.
Solution Approach 2:
The visual indicator is a simple, inexpensive, single-use component that is applied to the pipe fitting during installation. After serving its purpose of indicating security status, it can be discarded or replaced, eliminating the need for complex reusable testing equipment and avoiding all fluid-related hazards.
3Ease of operation
If a visual indicator is used to detect pipe fitting security, then accurate and non-invasive detection is enabled, but the visual indicator must be configured to undergo circumferential change while remaining adhered
Solution Approach 1:
The visual indicator is designed to change its physical parameters (circumferential dimension) in response to changes in the pipe fitting's circumference. This parameter coupling allows the indicator to automatically reflect the security status of the fitting through visual changes, maintaining simplicity while accounting for the mechanical deformation that occurs during securing.
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
Enables accurate and non-invasive detection of secure pipe fitting connections by providing a visual indication of the connection's status, reducing the need for fluid tests and minimizing leakage risks, thus simplifying the assessment process.
Implementation Method 1
The visual element may include an adhesive material sufficient to adhere to the outer surface of the first pipe fitting and disjoin from the outer surface of the first pipe fitting according to the set of disjoining criteria
Implementation Method 2
The visual element may be placed along a flange portion of the first pipe fitting and may be constructed from a polymer material sufficient to adapt to the contour, and the circumferential change, of the first pipe fitting
Data Source
AI summary
A system comprising a visual element for indicating the security of a pipe fitting and associated method. The visual element is configured to adhere to an outer surface of a pipe fitting and disjoin from the outer surface of the pipe fitting according to a set of disjoining criteria. The criteria comprises at least one of application of a sufficient force at the outer surface of the pipe fitting to form a fluid-tight seal between the pipe fitting and another pipe and a circumferential change of the visual element greater than a threshold amount of circumferential change. The visual element may be placed on a pipe fitting into which a pipe is inserted, and the connection between the pipe fitting and the pipe may be secured. Determination of whether the pipe fitting and the pipe are properly connected is performed based on monitoring of the visual element.