Custom Shoe Insole Forming via Heated Template Plate
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Solution Overview
Problem
Current custom shoe insoles are often expensive and require a doctor's prescription, making them inaccessible and time-consuming, while over-the-counter insoles provide a one-size-fits-all solution that may worsen foot conditions due to lack of customization.
Innovation Solution
A method and system for forming custom shoe insoles involve heating a template plate to a predetermined temperature, deforming it to match the user's foot shape using a foam structure, and allowing it to cool and harden, creating a custom-fitted insole that can be inserted into footwear.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If custom insoles are made through traditional methods requiring doctor's prescription, then manufacturing precision and customization are improved, but loss of time and accessibility deteriorate
Solution Approach 1:
The system enables consumers to create their own custom insoles at home using a heating element, template plate, and foot impression materials without requiring a doctor's prescription or visit to a specialist, thus eliminating the time loss while maintaining customization accuracy
Solution Approach 2:
The method provides preliminary instructions and prepared materials (heating element, template plate, foam structure) that allow users to perform the customization process themselves in advance, eliminating the need for time-consuming professional appointments
2Manufacturing precision
If traditional custom insole methods are used, then manufacturing precision is improved, but device complexity and cost deteriorate
Solution Approach 1:
The system divides the custom insole creation process into simple, separate steps: heating the template plate, making a foot impression on foam structure, pressing the template into the impression, and cooling to set the shape. Each component (heating element, template plate, foam structure) is simple and independently functional, reducing overall device complexity while maintaining precision
Solution Approach 2:
The system uses affordable, simple materials such as foam structure for impressions and template plates that can be easily replaced if needed, avoiding the need for expensive, complex professional equipment while achieving accurate custom insole fabrication
3Ease of manufacture
If over-the-counter insoles are used, then ease of manufacture and accessibility are improved, but manufacturing precision and effectiveness deteriorate
Solution Approach 1:
The system allows consumers to manufacture their own custom insoles at home using simple provided materials, making the process as accessible as over-the-counter purchases while achieving the manufacturing precision of custom-fitted insoles through direct foot impression
Solution Approach 2:
The system changes the physical state of the template plate material through heating and cooling, allowing it to be molded to the exact contours of the user's foot, thereby achieving high fit accuracy that is impossible with standard over-the-counter insoles
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 provides an affordable and quick way to create custom-fitted shoe insoles, ensuring proper fit and correction of foot posture without the need for a prescription, addressing the limitations of existing custom insole solutions.
Implementation Method 1
placing a shoe insole template plate into a preheated heating element, wherein the heating element is configured to heat the shoe insole template plate to a desired temperature
Implementation Method 2
applying foot pressure to the heated shoe insole template plate, causing the shoe insole template plate to deform to a shape of the foot of the user
Implementation Method 3
removing the shoe insole template plate from the foam structure, enabling the shoe insole template plate to cool and harden in shape as the custom fitted shoe insole
Data Source
AI summary
Systems and methods for forming a custom fitted shoe insole. The method includes placing a shoe insole template plate proximate a heating element that heats the shoe insole template plate to a temperature sufficient to make it deformable. The method further includes placing the sufficiently heated shoe insole template plate onto a foam structure, placing a foot of a user on the heated shoe insole template plate, and applying foot pressure to the heated shoe insole template plate, causing it to deform to match a topology of the sole of the user's foot. The shoe insole template plate is then removed from the foam structure, cooled and hardened, and inserted into a shoe as the custom fitted shoe insole.