JPH0642482Y2 - Insole and insole material for shoes - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION {Industrial application field} The present invention relates to an insole / sole material for shoes.

Used as insole material and insole material.

{Prior Art} Insole materials or insole materials produced by the injection manufacturing method of conventional shoes are often made by laminating various materials with a quilt by a sewing machine or an adhesive. That is, the insole material and the insole material are required to have specific functions, and conventionally, materials have been appropriately combined and combined to meet the functions.

For example, conventional products are used by laminating materials having respective characteristics with an adhesive or stacking them with a needle punch for the purpose of preventing resin leakage and preventing elongation.

This combination is indispensable for obtaining the following multiple functions as an insole material and an insole material.

Good fit.

Excellent ventilation and moisture permeability.

Good water absorption and excellent moisture release.

Must have sufficient strength (physical properties) for the application.

There should be no unpleasant odor.

Good adhesion with other members.

{Problems to be solved} When laminating various materials as an insole material or an insole material, laminating with a sewing machine causes problems such as thread breakage and fraying, and is inconvenient for thin points and partial stitching. It is.

In addition, in a laminating method using an adhesive or the like, sufficient adhesive strength cannot be obtained, the texture is impaired, and the performance of each functional material such as breathability and moisture permeability is deteriorated in the adhesive layer. In some cases, it will not function.

Also, in the case of needle punch lamination, resin leaks from the nail holes.

The present invention does not use the sewing machine or the adhesive to bond the main layer portion of the insole insole material or the insole material (and the insole material) to the heat-bonding by ultrasonic vibration in a dotted or linear manner. By partially applying to the above, the aim is to improve the functions by combining them without impairing the functions and performances of various materials.

In particular, shoes manufactured by the injection molding method have recently been increasing along with the large-scale modernization of factories, but the midsole materials, etc. manufactured by the injection manufacturing method are light and strong, but have a sealing property, and It is also a cause.

This stuffiness is a very important issue.

Further, in this manufacturing process, leakage of the resin (mainly urethane resin) is apt to occur, and there is often a problem that the resin penetrates the inner bottom surface and exudes to the surface of the inner bottom.

{Means for Solving Problems} The present invention is to prevent diversification of functions by compounding materials and prevention of resin leakage at the time of manufacturing, by using no adhesive, and one or more kinds. Thermoplastic fibers and chemical products are mixed cotton-like or laminated, and the main layer is made of ultrasonic vibration-welding shoe material that is ultrasonically vibration-welded in points or lines, and a resin leak-proof film sheet or waterproof property. (EN) Provided is a material for insole insole which is formed by laminating a non-woven fabric layer and an adhesive layer.

The ultrasonic vibration fusion used for forming the main layer is to heat-bond only points by utilizing ultrasonic vibration energy without using an adhesive such as resin.

The shape of the fusion-bonded portion is concave, and is a dot-like or linear arrangement,
The fusion of a very small part of the entire area is sufficient for binding.

In addition, the fusion may be performed by providing a completely fusion-bonded portion which is extremely thinly recessed and a weak fusion-bonded portion which is adjusted so that vibration energy is weak so that it is not so thinly recessed.

Since the vibration energy due to ultrasonic waves can be controlled by the ultrasonic oscillator, the fusion depth can be adjusted according to the number and properties of the laminated materials.

Various functional fiber materials (nylon, polyester, polypropylene, polyethylene, acrylic) are mixed cotton (nonwoven fabric), or the non-woven fabric is spot-fused by ultrasonic vibration fusion to make it stable and requires water resistance and strength. It also fits.

Further, woven fabrics, knitted fabrics, non-woven fabrics, urethane foams, sheets and the like made of various types of thermoplastic fibers and resins may be laminated depending on the intended use and purpose, and ultrasonic vibration fusion may be performed to appropriately prepare a material.

This lamination also includes composite multi-layering in which several types of multi-layered materials are further combined to form a composite.

The main heat fusion fibers and chemical products applicable to ultrasonic vibration fusion are as follows.

Nylon, polyester, polyethylene, polypropylene, acrylic, polyurethane and natural fibers compounded with these.

Chemical products include film sheets and foams of EVA, polyurethane, polyethylene, polypropylene and the like.

In ultrasonic vibration fusion, spot fusion is performed in a dot shape or a linear shape, and the pattern is dotted and various patterns such as a lattice pattern, a brick pattern, a stripe, a diamond checkered pattern, and a floral pattern can be set.

According to the present invention, by forming a film sheet layer for preventing resin leakage, a waterproof non-woven fabric layer or a waterproof fabric layer, and an adhesive layer with an injection resin under the main layer,
The above problems are solved.

{Example} Next, an example of an insole / sole material according to the present invention will be described with reference to the drawings.

The drawing shows an insole insole / combined material A including a main layer 1, a resin leakage preventing film sheet layer 2 and an adhesive layer 3.

The main layer 1 is a composite multi-layer having a surface layer 11 and a multi-layer intermediate layer 12.

The insole / sole material A is used by being bonded or placed on a resin shoe sole B such as urethane resin. Since the main layer 1 is a point-like or linear heat-fusing laminated layer, the functional surface such as ventilation and water absorption of each material is not lost unlike the adhesive layered layer.

Rather, it is expected that the functions will be improved due to the synergistic effect of the functions by combining the materials.

Furthermore, in the conventional method, compatibility with the adhesive does not matter in the present invention, even if the material has a function, but the adhesiveness is problematic (PEPP PET), which is extremely difficult to use. , The material will spread.

The surface layer 11 has a comfortable condition as an insole or insole of shoes, has a good fit and has abrasion resistance, and is made of nylon,
Non-woven fabrics, woven fabrics, knitted fabrics, etc. made of polyester, acrylic, and other thermoplastic fibers.

The middle layer 12 is a multi-layered product that has multiple layers of cushioning, high ventilation, antibacterial properties, deodorant and deodorant effects, and is a lightweight, highly breathable, highly water-absorbent, highly moisture-absorbing non-woven fabric with antibacterial and deodorant properties.・ Processed products such as deodorant / heat-retaining, mesh-like or coil-like ones made of thermoplastic fibers mainly for the purpose of breathability / ventilation, or foams made of synthetic resin whose main purpose is to reduce dust loss Super absorbent fiber.

In the case of a non-woven fabric, for example, nylon and polyester fibers and polypropylene, or polyethylene fibers and acrylic fibers in a mixed cotton shape are used.

Ultrasonic vibration welding uses vibration energy by ultrasonic waves to continuously heat-bond a non-woven fabric web made of 100% synthetic fibers or a blend of synthetic fibers and cellulose fibers, It is performed by a thermal fusion machine (thermal bonding machine) that processes into a sheet with tension.

This apparatus mainly uses an ultrasonic oscillator, and the fusion pattern of the web can be easily changed by replacing the pattern roll.

In the embodiment shown in FIG. 1, the main layer 1 is shown as an enlarged view of the drawer in the drawing.
In this composite multilayer material, the surface layer 11 and the multi-layered intermediate layer 12 are integrated by applying ultrasonic vibration fusion at a predetermined position in a dot shape or a linear shape.

The spot fusion is concave and can be adjusted by providing an extremely thin fusion fusion spot 10 and a relatively shallow fusion auxiliary fusion fusion.

The surface layer 11 is a surface that contacts the foot, has a comfortable condition as an insole or insole of the shoe, has a good fit and has abrasion resistance, and is made of nylon, polyester, acrylic or other thermoplastic fiber. It is a highly breathable nonwoven fabric.

Woven / knitted fabrics having the same function may be used.

The middle layer 12 is, as shown in the drawing, 12-1: a material having a deodorant and antibacterial function 12-2: a cushion material having high ventilation and high moisture resistance For example, a volume cushion layer made of urethane foam. It is also proposed that this layer be made of a super absorbent nonwoven fabric.

12-3: Laminated materials for fine ceramics application.

That is, the main layer 1 is formed by laminating functional materials such as those having a far infrared effect such as waterproof, heat retention, deodorant and antibacterial, and ceramics. The material of 12-2 is a non-woven fabric made of heat-fusible fibers such as nylon, polyester, acryl, polyethylene, polypropylene and the like, urethane foam, polyethylene foam foam, EVA foam and the like as a cushion material for increasing the volume.

The layer 12-2 is not limited to a single layer, and it is naturally possible to form a multilayered material according to the purpose.

Further, in the case of forming a multi-layer with 12-1 and 12-3, it is possible to combine various materials depending on the type of shoes and the intended use.

Material with deodorant function such as antibacterial.

Non-woven fabric with deodorant effect.

A non-woven fabric with high breathability and moisture permeability, which also serves as a heat retaining and cushioning material.

Depending on the intended use, such as waterproof and moisture-permeable nonwoven fabric, these functions can be created by stacking these functions with light weight or by replacing them in the stacking order.

Further, fine ceramics fine powder may be mixed into each layer to promote blood circulation (blood flow), deodorize, and have antibacterial effect by far infrared effect. The types of ceramics are alumina, zirconia, magnesia, silica, titanium oxide, zinc oxide, Ag, calcia, silicon nitride, silicon carbide, carbon, sialon, mullite, zirconia silicate, magnesia carbonate, cordierite, boronitride, nitriding. Aluminum and the like and composites thereof can be used.

The thickness of each material constituting the layer 12-2 is practically “12-1
<12-3 Designed in the order of <12-2>.

These laminated bodies are fused by ultrasonic vibration fusion in a dot shape or a linear shape to be integrated.

Since no adhesives or other obstacles are present between each layer material, each layer can fully utilize its function.

In the figure, 2 is a water-impermeable microweb, which is a moisture-permeable ultrafine high-density web, which is a resin leakage preventing film sheet layer which is a functional material for waterproofing, moisture permeability and ventilation.

The resin leakage preventing layer 2 is in the form of a film sheet that prevents the injection resin from protruding.

It preferably has moisture permeability, and a waterproof non-woven fabric or the like is also used.

The film sheet layer 2 is made of nylon, polyester, polyethylene, PVC, polypropylene, EVA or the like.

Further, if the resin leakage preventing layer 2 is processed to have adhesiveness, the next adhesive layer 3 can be omitted.

The adhesive layer 3 is unnecessary when the adhesive strength between the resin leakage preventing layer 2 and the shoe sole B is sufficient. It will be formed only when it is insufficient. As the adhesive layer 3, a non-woven fabric, a woven fabric, a knitted fabric, or the like having good adhesiveness with the injection resin is formed.

Insole for composite lamination by ultrasonic vibration welding
Compared to conventional materials, the material that serves as an insole has several levels of comfort.

The insole material without the adhesive layer in the main layer 1 has never been used in the past, and has excellent sweat absorption and moisture release properties, and various materials are layered (antibacterial, deodorant, deodorant, heat retaining or ceramic A more comfortable shoe material can be provided by the infrared effect.

These embodiments are merely examples, and various combinations of materials can be considered for the main layer in order to improve the function by compounding.

{Effect} As described above, in the material for insole insole according to the present invention, various materials are laminated and only a small part of the total surface area is spot-fused by ultrasonic waves without using an adhesive. Since the integrated main layer is formed, there is an excellent effect that the characteristics of various materials can be utilized without affecting other portions other than the fused portion.

Since the film sheet layer for preventing resin leakage in the injection shoemaking method is formed, it has an extremely excellent effect in preventing leakage.

Practical value should be extremely high.

[Brief description of drawings]

The drawings show one embodiment of the material for insole and insole of the present invention. FIG. 1 is a perspective view and a sectional view of the insole and a partially enlarged view, and FIG. 2 is a partial sectional view. Is. A brief explanation of the reference symbols A ... Insole and insole material B ... Sole 1 ... Main layer 11 ... Surface layer 12 ... Intermediate layer 10 ... Spot fused part 2 ... Resin leakage prevention layer 3 ... Adhesive layer

Claims (1)

[Scope of utility model registration request] 1. A blended cotton-like material comprising one or more thermoplastic fibers and / or a chemical product, the material having a deodorant / antibacterial function, a cushion material and a ceramic material being provided on the surface layer of a highly permeable nonwoven fabric, or Is the ultrasonic vibration fusion welding shoe material that is laminated and then adjusted the fusion depth in a dotted or linear fashion and ultrasonically fused to form a main layer, and a resin leakage prevention film sheet layer and an adhesive layer are formed on this main layer. A material that is also used as an insole for the insole in the injection manufacturing method, which is provided integrally in order.