Elastomer Bonding for Garments with Localized Support
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Solution Overview
Problem
Existing methods for producing clothing and bandages with multiple fabric layers fail to achieve a high degree of wearing comfort and functional adaptation of supporting forces, as they often rely on incomplete or inefficient adhesive methods that do not fully utilize the elastic properties of elastomers.
Innovation Solution
A method involving two superimposed fabric layers connected by an elastomer applied in dots, lines, or areas, with optional three-dimensional molded parts that protrude from one layer, allowing for targeted pressure distribution and enhanced support, using elastomers that penetrate into the fabric for a firm bond and elasticity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If adhesive is applied extensively to bond fabric layers, then bonding strength is improved, but wearing comfort and fabric flexibility deteriorate
Solution Approach 1:
The adhesive is applied in segmented patterns (dots, lines, or discrete areas) rather than as a continuous layer. This segmentation allows bonding at critical points while leaving large portions of fabric unbonded, maintaining flexibility and comfort. The fabric layers remain loosely connected in non-adhesive areas, enabling natural movement and breathability.
Solution Approach 2:
Different regions of the fabric layers receive different treatments: some areas have adhesive application for structural support and bonding, while other areas remain adhesive-free to maintain fabric flexibility and comfort. This local differentiation optimizes both bonding strength where needed and wearing comfort where flexibility is required.
2Strength
If elastomer is applied in liquid state for penetration, then bonding effectiveness is improved, but process control difficulty increases
Solution Approach 1:
The elastomer's physical state is controlled during the process: applied in liquid or soft deformable state for optimal fabric penetration and bonding, then hardened to provide structural stability. This parameter change allows the material to exhibit different properties at different stages, optimizing both penetration effectiveness and process control.
3Adaptability or versatility
If three-dimensional molded parts are added for support, then functional adaptation is improved, but device complexity increases
Solution Approach 1:
The three-dimensional molded parts are integrated directly into the fabric layers through elastomer bonding, combining structural support functions with the garment layers themselves. This merging approach provides enhanced functionality (targeted pressure distribution, support) without requiring separate complex support structures or additional components.
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 method provides improved wearing comfort and functional adaptation by allowing partial elastomer application for connecting layers, enabling localized pressure and support, such as lymphatic flow support in underwear, while maintaining fabric flexibility and comfort.
Implementation Method 1
The elastomer material penetrates at least partially into the fabric layers. After the elastomer has hardened, a firm bond exists between the elastomer and each fabric layer
Implementation Method 2
the elasticity of the elastomer providing flexibility both perpendicular to the plane of the fabric layers and in both directions within that plane
Data Source
Figure 1~3
AI summary
In a process for manufacturing garments or bandages, two overlapping layers of fabric are joined using a point-, line-, or area-shaped elastomer bond. Additionally, a three-dimensional, protruding molded part is created on one of the fabric layers by applying elastomer layer by layer.