Footbed and method for making the same

Abstract

A footbed has a rigid shell and a soft body. The rigid shell has a shell body and a supporting portion. The shell body has a rear portion, a middle portion, and a front portion that are connected sequentially. The supporting portion protrudes from the rim of the rear portion. Each portion has an inner face and an outer face opposite to the inner face. The soft body has a top face and a bottom face opposite to the top face, and the bottom face is laminated with each inner face of each portion. Hardness of the rigid shell is higher than hardness of the soft body, and the rigid shell and the soft body are integrally formed by heating a fabric of vertical fibers. A method for making the footbed is also provided.

Description

BACKGROUND OF THE INVENTION[0001]1. Field of the Invention[0002]The present invention relates to a footbed, and particularly to a footbed providing good ventilation and anti-distortion. The present invention also relates to a method for making the footbed.[0003]2. Description of the Prior Arts[0004]Most of the conventional footbeds are made of ethylene-vinyl acetate copolymer (EVA). The manufacturing cost of footbeds can be reduced remarkably due to the low-cost EVA. However, the EVA footbeds have many drawbacks such as lack of ventilation and being impermeable to water. Accordingly, while wearing shoes with the EVA footbeds, the wearer's feet are enclosed in shoes, which causes discomfort of the wearer and generates foot odor due to the lack of ventilation of the EVA footbeds. Besides, when the wearer's feet sweat, sweat remains on the surface of the footbeds easily due to the EVA footbeds being impermeable to water, which makes the wearer's feet suffer from moisture and thus makes...

AI Technical Summary

Benefits of technology

The present invention provides a footbed with a rigid shell and a soft body that are integrally formed. The footbed is made of a fabric of vertical fibers, which increases its rigidity and recovery rate. The fabric is heated and formed with a supporting portion that protects the heel and avoids a heel strike while walking. The soft body and rigid shell provide good ventilation and protect the feet from odor and bacteria growth. The footbed is made of a material that is safe and not yellowing or toxic. The footbed integrally formed by heating the fabric of vertical fibers simplifies the manufacturing process and enhances its industrial applicability.

Problems solved by technology

However, the EVA footbeds have many drawbacks such as lack of ventilation and being impermeable to water.

Accordingly, while wearing shoes with the EVA footbeds, the wearer's feet are enclosed in shoes, which causes discomfort of the wearer and generates foot odor due to the lack of ventilation of the EVA footbeds.

Besides, when the wearer's feet sweat, sweat remains on the surface of the footbeds easily due to the EVA footbeds being impermeable to water, which makes the wearer's feet suffer from moisture and thus makes the footbed prone to growth of bacteria.

As a result, the chance is increased for the wearer to get skin infection such as athlete's foot.

Accordingly, after EVA footbeds are worn for a period of time, the EVA footbeds deforms, which results in negative effects on the wearer such as poor posture.

However, the PU heel cups still have drawbacks such as yellowing and decomposition after a long period of time.

Besides, PU heel cups easily generate toxicity during the decomposing process, which is severely harmful to the wearer's health.

Also, the EVA footbeds with PU heel cups still lack ventilation and are impermeable to water.

Furthermore, the EVA footbeds with PU heel cups are not integrally formed, that is, EVA footbeds with PU heel cups are manufactured through multiple processes.

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