Interlocking Segmented Footwear Midsole and Outsole Elements
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Solution Overview
Problem
Conventional footwear designs lack flexibility and customization options, as they typically consist of unitary midsoles and outsoles that do not allow for easy adaptation or adjustment to varying foot pressures and traction needs.
Innovation Solution
The method involves creating interlocking midsole and outsole elements with grooves that separate them into multiple components, allowing for customization by varying material, thickness, friction coefficient, and color, and enabling them to interlock and secure together, enhancing flexibility and adaptability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a unitary midsole and outsole design is used, then the structure is simple and manufacturing is easy, but flexibility and customization options are limited
Solution Approach 1:
The midsole and outsole are divided into multiple separate elements (first midsole element, second midsole element, first outsole element, second outsole element) that can be independently manufactured and customized. Each element can have different materials, thicknesses, and properties to suit specific functional requirements, thereby increasing customization options while maintaining manageable structural complexity through modular assembly.
2Adaptability or versatility
If a unitary midsole and outsole design is used, then manufacturing is straightforward, but pressure distribution and traction customization are limited
Solution Approach 1:
The midsole is segmented into first and second midsole elements with different thicknesses and material properties to customize pressure distribution in different foot regions. The outsole is segmented into first and second outsole elements with different friction coefficients to provide tailored traction. Each element can be manufactured separately using standard processes, then assembled together, maintaining ease of manufacture while enabling detailed customization.
Solution Approach 2:
Different regions of the footwear are assigned different local qualities through the segmented design. The first midsole element has different thickness and material than the second midsole element, allowing customized cushioning and pressure distribution for different foot zones. Similarly, the outsole elements have different friction coefficients tailored to specific traction needs in different areas.
3Adaptability or versatility
If multiple interlocking elements are used, then customization and flexibility are enhanced, but assembly complexity increases
Solution Approach 1:
The footwear is divided into discrete, interlocking elements (first midsole element, second midsole element, first outsole element, second outsole element) that can be independently selected and assembled. This segmentation enables flexibility in configuration while the interlocking mechanism provides a standardized assembly approach, managing the complexity through modular integration rather than requiring complex custom assembly procedures.
Data Source
AI summary
A method of manufacturing an article of footwear includes providing an outsole and a midsole. The outsole and the midsole are secured together such that a bottom surface of a first midsole element overlaps and directly secures to an upper surface of a first outsole element to define a first element assembly, such that a bottom surface of a second midsole element overlaps and directly secures to an upper surface of a second outsole element to define a second element assembly, and such that an outsole groove and a midsole groove are substantially aligned and in communication with each other in the thickness direction of the outsole and the thickness direction of the midsole. Moreover, the method includes interlocking the first and second element assemblies with each other.