Dual-Material Animal Ear Tag Tip for Secure Locking
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Solution Overview
Problem
Existing animal identification tags face issues with secure attachment and tampering, as they often rely on a single material that may lead to accidental detachment or reuse on different animals.
Innovation Solution
The tag design incorporates a male and female engagement portion with a tip made of two materials, where a harder material facilitates piercing and a softer material allows flexibility for insertion, ensuring a tight fit and preventing removal by using a locking mechanism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a single hard material is used for the tip, then piercing capability is improved, but flexibility for insertion into female engagement portion deteriorates
Solution Approach 1:
The tip is designed with non-uniform material properties: the distal end portion uses harder material for piercing, while the proximal end portion uses softer material for flexibility during insertion into the female engagement portion. This local differentiation of material properties resolves the contradiction between piercing strength and insertion flexibility.
Solution Approach 2:
The tip combines two different materials with distinct properties - a harder material at the distal end for piercing and a softer, more elastic material at the proximal end for compression during insertion. This composite material approach allows the single tip structure to fulfill both contradictory requirements of strength and flexibility.
2Strength
If the tip is made very hard for piercing, then piercing capability is improved, but ability to deform during insertion into female engagement portion deteriorates
Solution Approach 1:
The tip exhibits local quality variation where the distal end is harder for piercing while the proximal end is softer and more deformable. This allows the hard distal end to maintain its shape for effective piercing while the softer proximal end can compress and deform to fit into the female engagement portion, resolving the contradiction between hardness and deformability.
Solution Approach 2:
The material parameters (hardness, elasticity) are changed along the length of the tip. The distal end has higher hardness parameters for piercing, while the proximal end has lower hardness and higher elasticity parameters to enable compression and deformation during insertion, thus resolving the contradiction through parameter gradients.
3Reliability
If a tight fit between tip and female engagement portion is designed, then retention and prevention of accidental detachment is improved, but ease of insertion deteriorates
Solution Approach 1:
The proximal end of the tip uses softer, more elastic material that can compress during insertion to facilitate ease of operation, while the overall tight fit design ensures reliable retention. The local softness at the insertion point reduces resistance during insertion while the engineered tight fit geometry maintains retention capability.
Solution Approach 2:
The softer proximal end material acts as a cushioning element that compresses beforehand during the insertion process, reducing the force and difficulty of insertion. This prior cushioning effect at the proximal end enables easier insertion while the distal end and engagement portion geometry ensure tight fit and reliable retention.
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 dual-material design enhances secure attachment to animals, preventing accidental detachment and tampering, ensuring the tag remains affixed and identifiable to a single animal.
Implementation Method 1
one material being harder (e.g. less flexible) than the other
Implementation Method 2
the softer material may enable the tip to flex or deform to facilitate insertion of the tip into the female part of the tag
Data Source
AI summary
An animal identification tag includes a female engagement portion and a male engagement portion having a tip, the female engagement portion being configured to receive and retain the tip. The tip comprises a body formed of a first material, the body including one or more openings that are filled with a second material, such that a first portion of an outer surface of the tip is formed by the first material, and a second portion of the outer surface of the tip is formed by the second material. The first material is harder than the second material.