Bonded Textile End Structure for Fray Control and Expandability
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Textile structures experience fraying at their ends after being cut, and existing methods like dipping in viscous materials or melting are not effective in maintaining expandability while reducing fraying.
Innovation Solution
The implementation of first and second elongated bonded sub-portions spaced along the transverse dimensions of the textile structure, which are offset and extend less than the full circumference, allowing for expandability while reducing fraying through cooperation between these portions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the end of the textile structure is dipped in a viscous material that is dried and set, then fraying is reduced, but the expandability of the textile end is compromised
Solution Approach 1:
The textile structure incorporates multiple discrete bonded portions (first and second elongated bonded portions) spaced along the length rather than a continuous coating. This segmentation allows the textile to expand between bonded regions while the bonded portions prevent fraying, resolving the contradiction between fraying resistance and expandability.
Solution Approach 2:
Different regions of the textile are given different properties: bonded portions have high fraying resistance through material bonding, while unbonded portions maintain natural expandability. This local differentiation allows each region to optimize its function without compromising the other.
2Reliability
If the end of the textile structure is melted to reduce fraying, then fraying is reduced, but the textile loses its ability to expand and fit around structures
Solution Approach 1:
Instead of melting the entire end of the textile, only discrete bonded portions are treated. This allows the textile to maintain its expansion capability in unbonded regions while achieving fraying protection at the bonded portions, enabling both fit-around capability and fraying resistance.
3Reliability
If bonded portions extend the full circumference of the textile, then fraying is maximally reduced, but the textile cannot expand to fit around structures
Solution Approach 1:
The bonded portions are deliberately designed as discrete segments that do not extend the full circumference or continuous length. This segmentation creates expansion gaps that allow the textile to stretch and fit around structures, while still providing sufficient fraying protection at the bonded regions.
Solution Approach 2:
Rather than bonding the entire circumference (excessive action), the invention uses partial bonding coverage. This partial action is sufficient to prevent fraying while leaving enough unbonded material to enable expansion and fitting operations.
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
This solution effectively limits fraying while maintaining the expandability of the textile ends, enabling them to fit around structures and withstand various operating environments by forming an alloy of different materials through ultrasonic welding, resulting in stronger bonded portions.
Implementation Method 1
forming an alloy of different materials through ultrasonic welding
Data Source
Figure 1~3
AI summary
An apparatus comprising a textile extending a length between a first end and a second end. The textile also extends a dimension transverse to the length. The dimension can be a width or a circumference. The apparatus also includes a first bonded portion adjacent to the first end to limit fraying at the first end. The apparatus also includes a second bonded portion spaced from the first bonded portion along the length to limit fraying at the first end.