Embroidered Bead Foam Midsole Manufacturing
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Solution Overview
Problem
Current embroidery techniques lack the ability to efficiently integrate beads into textile materials for both decorative and structural purposes, particularly in footwear and apparel, where customization and durability are essential.
Innovation Solution
The method involves embroidering beads onto a substrate layer using a thread and needle, followed by fusing the beads together with heat and pressure to form a continuous foam structure, allowing for customizable cushioning and reinforcement in articles such as footwear and apparel.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If beads are embroidered onto textile materials using traditional embroidery techniques, then decorative elements can be added, but the beads remain discrete and do not form a unified structural component
Solution Approach 1:
The patent merges discrete embroidered beads into a unified foam structure by expanding the beads in-place after embroidery. The expansion process causes adjacent beads to fuse together, transforming separate decorative elements into a continuous structural component that provides both reinforcement and cushioning properties.
Solution Approach 2:
The patent changes the physical state of the beads by applying heat and/or pressure to expand them from a compact discrete form into an expanded fused foam structure. This parameter change transforms the beads' volume, density, and structural properties, enabling them to form a unified structural component while maintaining their embroidered arrangement.
2Productivity
If traditional embroidery with thread and beads is used, then decorative patterns can be created, but the process is time-consuming and lacks efficiency for structural applications
Solution Approach 1:
The patent performs the embroidery action first to establish the bead arrangement and pattern, then applies expansion in a single subsequent step to create the unified foam structure. This preliminary embroidery followed by bulk expansion reduces total process time compared to attempting to form unified structures through traditional multi-step embroidery techniques.
Solution Approach 2:
The patent replaces the traditional mechanical embroidery process (needle and thread stitching) with a combination of embroidery followed by thermal/pressure expansion. The expansion process substitutes for extensive manual or machine stitching that would otherwise be required to create unified structural foam components, significantly improving manufacturing efficiency.
3Adaptability or versatility
If beads are used for both decorative and structural purposes, then customization is possible, but integrating beads into functional footwear and apparel components is difficult
Solution Approach 1:
The patent segments the manufacturing process into distinct steps: first embroidering beads in the desired decorative pattern and arrangement, then expanding them to form functional foam structures. This segmentation allows independent optimization of decorative design and structural function, making it easier to customize articles while maintaining manufacturing feasibility.
Solution Approach 2:
The patent creates a universal manufacturing approach where the same embroidered bead structure serves multiple functions: decorative appearance from the bead arrangement and structural reinforcement or cushioning from the expanded foam form. This multi-functionality eliminates the need for separate decorative and structural components, simplifying integration into footwear and apparel.
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 approach enables the creation of customized, durable, and comfortable articles with enhanced cushioning and reinforcement by forming a unified foam member from embroidered beads, addressing the need for both aesthetic and functional integration of beads into textile materials.
Implementation Method 1
fusing the beads together with heat and pressure to form a continuous foam structure
Implementation Method 2
fusing the beads together with heat and pressure to form a continuous foam structure
Data Source
AI summary
Beads may be stitched to a substrate layer and then fused to form structures including foam midsoles, foam pads, and other foam structures. Beads may be embroidered to multiple substrate layers and then folded or stacked together to form a preform used in a mold to form a midsole.