Seal Adhesion Testing Apparatus with Biasing Force Indicator
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Solution Overview
Problem
Existing methods for testing the adhesion of seals to surfaces are subjective and yield inconsistent results due to human operator variability.
Innovation Solution
An apparatus and method that includes a movable second member with a seal-contact member and a biasing force, along with an indicator to objectively measure the force applied to the seal, ensuring consistent adhesion testing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If subjective adhesion testing methods are used, then testing can be performed with simple equipment, but testing results are inconsistent and unreliable due to human operator variability
Solution Approach 1:
The patent replaces subjective human evaluation with an automated mechanical testing system. The apparatus uses a controlled mechanical force application mechanism with a spring-loaded member that applies consistent force to the seal, and a scale that objectively measures the force required to detach the seal from the surface, eliminating human operator variability in the testing process
Solution Approach 2:
The testing apparatus is designed to be self-measuring through the integrated scale that automatically indicates the force applied during the detachment process. The system performs both the mechanical testing and the measurement functions, with the scale providing immediate objective feedback on the adhesion strength without requiring external measurement equipment or human judgment
2Measurement precision
If controlled force application is implemented, then testing precision is improved, but device complexity increases
Solution Approach 1:
The apparatus is divided into distinct functional segments: a handle for operation, a spring-loaded seal-contact member for force application, and a scale for measurement. This segmentation allows each component to perform its specific function efficiently while keeping the overall design relatively simple and manageable
Solution Approach 2:
The seal-contact member is designed with a curved or rounded configuration that allows it to engage with seals of various shapes and sizes. This curved design enables the single testing apparatus to accommodate different seal geometries while maintaining consistent force application and measurement across different test scenarios
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 provides consistent and objective adhesion testing results by applying a controlled force to the seal and indicating the force range, reducing variability and improving testing reliability.
Implementation Method 1
The second member includes a seal-contact member. The apparatus also includes a spring for applying a biasing force to the seal-contact member
Data Source
AI summary
One example of the disclosure relates to an apparatus for testing adhesion of a seal to a surface. The apparatus includes a first member and a second member movable relative to the first member. The second member includes a seal-contact member. The apparatus also includes means for biasing the first member and the second member relative to each other with a biasing force and an indicator on one of the first member or the second member.