KR100920643B1 - Method of ventilating foamed product and ventilating foamed product - Google Patents

Abstract

PURPOSE: A ventilation foamed product and a manufacturing method of the same are provided to vary the configuration while providing the airy property and a cushioning function. CONSTITUTION: A manufacturing method of a ventilation foamed product comprises followings. In a plate shape target stand-by step, a plate shape target is ready to be cut. The target is a first fusing film(110) and a second fusing film(130). In a cutting fragment making step, a plurality of fragment cutting materials(200) is make by cutting the plate shape target to the vertical direction. In a first fusing film separating step, some parts are separated from the plate shape target excluding connecting part with the fragment of the first fusing film. In a first plate fusing step, first plate(310) is fused on the one side of the fragment cutting material using the first fusing film remaining on the fragment cutting material as a medium. In a second plate fusing step, a second plate(320) is fused on the other of the fragment cutting material using the second fusing film as the medium.

Description

Method for producing a ventilated foam product and a ventilated foam product produced thereby {METHOD OF VENTILATING FOAMED PRODUCT AND VENTILATING FOAMED PRODUCT}

The present invention relates to a method for producing a ventilated foam product that can be utilized in clothing, footwear uppers, insoles and the like, and to a ventilated foam product produced thereby.

In general, fabrics used in clothing, uppers of shoes, insoles, etc. are generally breathable, but should be considered to have little cushioning.

On the contrary, in the case of the foam using synthetic resin or synthetic rubber, cushioning may be provided, but it should be considered that there is little breathability.

In addition, in the case of the foam, it is common to use a cloth bonded to the surface in contact with the body because it may cause discomfort when in direct contact with the body. Normally, insoles and the like of shoes are manufactured by bonding a cloth to one or both sides of the foam.

In order to improve such a problem, Republic of Korea Patent No. 10-0567569 No. "Method of manufacturing a foam product having a ventilation hole" (registered March 9, 2006) has been proposed.

The prior art discloses foams perforated with vents, and discloses that various attachment materials can be attached to the foams with perforated pores. The prior art is considered to be incorporated herein.

In the case of manufacturing a foamed product according to the prior art, it is possible to produce a foamed product as shown in FIGS. 1 and 2.

1 is a foamed product according to the prior art, Figure 2 is a perspective view showing a part of the first surface material of the foamed product of Figure 1 in a peeled off state.

The conventional foamed product 10 consists of a plate-shaped foam 1 in which a plurality of ventilation holes 1a are formed up and down, and first and second fabrics 2 and 3 joined to upper and lower surfaces of the foam 1, respectively. .

In this way, by forming the ventilation holes (1a) in the foam (1) and then attaching the fabric (2, 3) on the upper and lower surfaces, it is possible to realize a good sense of cushioning of the foam (1) as well as good ventilation.

However, since the prior art as described above basically forms a vent hole (1a) in the foam (1), the foam (1) itself forms a single body, and therefore, free form deformation is difficult to apply to clothing, etc. do.

That is, the foam 1 itself is basically capable of some form deformation, but since the foam 1 constitutes a body, the shape deformation is a deformation of the foam 1 when it is intended to be used as a cloth for clothes. It should be limited to the possible forms.

The present invention has been made in order to solve the problems of the prior art as described above, but by attaching a planar material made of a cloth or the like on both sides of the foam and foam to produce a foamed product of the plane, the foam does not form a body By separating the pieces into a specific shape, providing a good cushioning of the foam and breathability while making the deformable form of the plane foam product hardly influenced by the foam, it is possible to form a breathable foam product which can be freely deformed. To provide a method for doing so.

MEANS TO SOLVE THE PROBLEM In order to solve the said subject, this invention prepares the plate-shaped workpiece | work which consists of a plate-shaped foam, the 1st heat-sealing film bonded to one surface of the said plate-shaped foam, and the 2nd heat-sealing film bonded to the other surface of the said plate-shaped foam. Preparatory plate material preparation step; A cutting piece forming step of cutting the plate-like workpiece into a vertical direction with respect to the plate-like workpiece to form a plurality of pieces of cutting; A first heat fusion film stripping step of stripping the remainder except for the portion bonded to the piece cutting material of the first heat fusion film in the plate-like workpiece after the cutting piece forming step; Heat-sealing the ventilated first planar material on one surface of the plurality of piece cuttings via the first heat welding film remaining in the plurality of piece cuttings of the plate-like workpiece after the step of removing the first heat welding film First surface material thermal welding step; A residual plate-like material removing step of removing the remaining plate-like material from the ventilated first planar material, which is a portion of the plate-shaped material not formed with the plurality of piece cuttings; A second planar material heat fusion step of thermally fusion bonding the ventilated second planar material to the other surfaces of the plurality of piece cuttings through the second heat fusion film; Characterized in that comprises a.

In the above, the ventilated first planar material may be a cloth, and the ventilated second planar material may be a cloth.

In another aspect of the present invention, there is provided a breathable foam product produced by the above production method.

In particular, the breathable foamed product is provided between a first breathable first planar material and a second breathable planar material spaced apart from the first breathable first planar material, and the first breathable first planar material and the second planar planar material. The first heat-sealed film is formed of a plurality of pieces of foam that is heat-sealed with the ventilated first surface material and the other surface is heat-sealed with the ventilated second surface material through a second heat-sealed film, the plurality of Fragment foams are provided spaced apart from each other and may be at least 10 or more fused to the breathable first surface material.

As described above, in the present invention, a foamed product is attached to both sides of the foam and the foam to produce a cotton foam product by attaching a cotton material, etc., but the foam is not formed as one body, but pieces of foam separated from each other while being separated into pieces A method for producing a ventilated foam product which can be freely deformed so as to have a specific shape as a whole, so that the deformable form of the planar foam product is hardly influenced by the foam while providing breathability with good foam feeling of the foam. Will be provided.

Hereinafter, the specific configuration and operation according to an embodiment of the present invention will be described in detail.

Figure 3 is a process flow chart for producing a ventilated foam product of one embodiment according to the present invention, Figures 4 to 9 is a perspective view for explaining the state of the product at each step of FIG.

Each step from Fig.3 (a) to (j) is demonstrated.

(a) preparing the plate material

A plate-like workpiece 100 including a plate-shaped foam 120 and a first heat-sealed film 110 and a second heat-sealed film 130, which are temporarily bonded to both surfaces of the plate-shaped foam 120, is prepared.

The state of the plate-like workpiece 100 may be shown as shown in FIG.

Although the shape of the plate-shaped workpiece 100 is illustrated in the form of a circular plate in the present embodiment, the shape of the plate-shaped workpiece 100 may be applied in various forms such as a rectangular plate.

Since the plate-shaped foam 120 and the first and second heat-sealing films 110 and 130 are all well known techniques, detailed descriptions thereof will be omitted.

(b) sculpting cutting forming step

The cutting cutter 410 and the auxiliary cushion 420 are provided with a press cutter 400 to cut the plate-shaped workpiece 100 in a vertical direction to separate the plurality of pieces of cutting 200 from the plate-shaped workpiece 100. In order to form a plurality of cut surfaces 101 to form a plurality of cutting pieces (200).

By such a cutting operation, the cut surface 101 is formed in the plate-like workpiece 100 as shown in FIG. That is, the cutting piece 200 is a state that can be separated from the plate-like workpiece 100 by the force to the outside, but so far the piece cutting 200 is not separated from the plate-like workpiece 100.

Each piece cutting piece 200 has a first heat fusion corresponding to that the plate-like workpiece 100 is formed of the first heat fusion film 110, the plate-shaped foam 120, and the second heat fusion film 130. It can be seen that the film 210, the piece foam 220, the second heat-sealed film 230.

For such a cutting process, the press cutter 400 is provided with a cutting blade 410 having a shape corresponding to that of the cutting piece 200, and an auxiliary cushion 420 is provided inside the cutting blade 410. It is prepared.

The cutting blade 410 is for forming the cutting surface 101, the auxiliary cushion 420 is the cutting piece 200 from the plate-like workpiece 100 when the press cutter 400 is lowered and then raised to the top It is provided inside the cutting blade 410 so as not to be separated to prevent the cutting piece 200 is moved upward with the cutting blade 410 to be separated from the plate-like workpiece 100.

The shape of the cutting piece 200 may be variously changed, in the present embodiment, a plurality of the cutting piece 200 is formed in the form of a round cylindrical portion of the majority of the cutting piece 200.

(c, d) the first heat-sealing film stripping step

As described above, the first heat-sealing film 110 is peeled from the plate-like workpiece 100 on which the cutting pieces 200 are formed.

However, instead of peeling off the entire first heat fusion film 110, the remaining first heat fusion film 110 ′ is stripped except for the portion bonded to the piece cutting 200 as shown.

As a result, the remaining first heat-sealed film 110 'is separated from the plate-like workpiece 100 as shown in FIG. 6, and the plate-like material from which the remaining first heat-sealed film 110' is removed as shown in FIG. The sweet water 100 is left.

Since the cutting surface 101 is already formed on the first heat-sealing film 110, the first heat-sealing bonded to the piece cutting piece 200 is carried out by grasping the edge of the first heat-sealing film 110. The film 210 remains bonded to the piece foam 220, and only the remaining first heat-sealed film 110 'is easily peeled off.

(e, f) heat fusion step of first surface material

In step (d), the ventilated first planar material 310 is placed on the upper surface of the plate-like workpiece 100 from which the remaining first heat-bonded film 110 ′ has been removed, and thereafter, the ventilated first is welded by the heat welder 700. The planar material 310 is thermally fused to the sculpting cut 200 via the first thermal fusion film 210.

The breathable first planar material 310 can be any breathable planar material, and the cloth is a representative example of the planar material having breathability.

In addition, the first heat-sealed film 210 is the first heat-sealed film 110 of the plate-like workpiece 100 is cut in the same manner as the planar shape of the engraving cutting 200 by the cutting process.

By this heat fusion operation, the product is in a state as shown in FIG. (F) of FIG. 3 is a state which turned over the product of the state of FIG.

In addition, FIG. 3F may be expressed as a perspective view of FIG. 7.

(g, h) removing the remaining plate-like workpiece

As described above, the remaining plate-like workpiece 100 ′ is removed from the plate-like workpiece 100 in which the ventilated first planar material 310 is thermally fused to one surface of the plurality of piece cuttings 200.

The remaining plate-like workpiece 100 ′ refers to a portion in which the plurality of pieces of cut 200 are not formed in the plate-like workpiece 100.

That is, since the plurality of piece cuttings 200 are thermally fused to the air permeable first surface material 310, when the edges of the remaining plate-like workpieces 100 ′ are removed and removed, the piece cuttings 200 are made of the air permeables. Remaining on the one-sided material 310, only the remaining portion, i.e., the remaining plate-like workpiece 100 ', is removed.

At this time, the remaining second thermal fusion film 130 together with the remaining plate-like workpiece 100 ′ is removed together.

That is, as shown in FIG. 8, the remaining plate-like workpiece 100 ′ is removed, and the plurality of piece cuttings 200 remain fused to the ventilated first planar material 310, and the piece cuttings 200 are provided. In the upper surface of the second heat-sealed film 230 is provided.

(i, j) heat fusion step of the second surface material

The ventilated second planar material 320 is positioned on the other surface of the plurality of pieces of cutting 200 in which the ventilated first planar material 310 is fused on one surface thereof, and then the ventilated second planar material (eg, the heat sealer 700). 320 is thermally fused to the flake cuttings 200 through the second thermal fusion film 230.

The breathable second planar material 320 can be any breathable planar material, and the cloth is a representative example of the planar material having breathability.

In addition, the 2nd heat-sealing film 230 is cut | disconnected like the planar shape of the flake cutting 200 by the cutting process of the 2nd heat-sealing film 130 of the plate-shaped workpiece 100.

By the heat fusion operation as described above, the product is in a state as shown in FIG. 3 (j), and FIG. 9 is a perspective view of the ventilated foam product 300 in a state in which the ventilated second planar material 320 is partially peeled off.

Such a ventilated foam product 300 includes a ventilated first planar material 310, a ventilated second planar material 320 spaced apart from the ventilated first planar material 310, and a ventilated first planar material ( A plurality of surfaces provided between the first and second heat-sealing materials 310 and 320, respectively, between the first and second heat-sealing materials 210 and 230, respectively. It consists of a piece of foam (220).

Of course, the plurality of piece foam 220 is provided spaced apart from each other.

In addition, it is valuable as a product that at least 10 pieces of the foam foam 220 is fused to one breathable first surface material 310.

As shown in Fig. 9, the air-ventilated foam product of the present embodiment is made of a plurality of pieces of cut 200, which are foams, and air-permeable first and second surface materials 310 and 320, such as cloth, and thus, a piece of foam 220 Fragment cutting 200 is the main material is not a single body of the foam may have a specific shape by separating the pieces.

In addition, in this embodiment, the arrangement form of the sculpture cuttings 200 can be arbitrarily determined, and despite the arrangement of the sculpture cuttings 200 arbitrarily determined in this way, the arrangement work of the numerous pieces cutting 200 is very easy. Do.

Accordingly, the breathable foam product 300 of the present embodiment not only provides a good cushioning feeling by the pieces of cutting 200, but also allows the pieces of cutting 200 to pass air along spaces spaced from each other to provide good ventilation. do.

In addition, the air-ventilated foam product 300 of the present embodiment is a piece cut 200 is separated from each other, even when the air-vented foam product 300 is trying to cause a shape deformation (compared to a foam of one body) When it is) is hardly affected by the piece foam 220.

The above embodiment is a preferred embodiment of the present invention, the technical spirit of the present invention can be implemented by various modifications or adjustments by those skilled in the art. Such modifications and adjustments fall within the scope of the present invention if they use the technical idea of the present invention.

The present invention can be used as a ventilated foam product that can be utilized as clothing, shoes upper, insoles and the like.

1 is a foam product according to the prior art,

FIG. 2 is a perspective view showing a part of the first planar material of the foamed product of FIG. 1 peeled off;

Figure 3 is a process flow diagram for producing a ventilated foam product of one embodiment according to the present invention,

4 to 9 are perspective views for explaining the state of the product in each step of FIG.

<Description of Symbols for Main Parts of Drawings>

100: plate-like workpiece 110: the first heat-sealed film

120: plate-like foam 130: second heat-sealed film

200: cutting pieces 210: the first heat-sealed film

220: piece foam 230: second heat-sealed film

300: breathable foam product 310: breathable first surface material

320: breathable second surface material

Claims (4)

A plate-like workpiece preparation step of preparing a plate-like workpiece including a plate-shaped foam, a first heat-sealed film bonded to one surface of the plate-shaped foam, and a second heat-sealed film bonded to the other surface of the plate-shaped foam; A cutting piece forming step of cutting the plate-like workpiece into a vertical direction with respect to the plate-like workpiece to form a plurality of pieces of cutting; A first heat fusion film stripping step of stripping the remainder except for the portion bonded to the piece cutting material of the first heat fusion film in the plate-like workpiece after the cutting piece forming step; Heat-sealing the ventilated first planar material on one surface of the plurality of piece cuttings via the first heat welding film remaining in the plurality of piece cuttings of the plate-like workpiece after the step of removing the first heat welding film First surface material thermal welding step; A residual plate-like material removing step of removing the remaining plate-like material from the ventilated first planar material, which is a portion of the plate-shaped material not formed with the plurality of piece cuttings; A second planar material heat fusion step of thermally fusion bonding the ventilated second planar material to the other surfaces of the plurality of piece cuttings through the second heat fusion film; Method for producing a ventilated foam product comprising a. The method of claim 1, Wherein said breathable first planar material is a cloth, and said breathable second planar material is a cloth. A breathable foam product produced by the process according to claim 1. A first heat-sealing film is provided between the first ventilated first planar material and the second ventilated planar material spaced apart from the first ventilated first planar material, and the second first planar film is provided between the first ventilated planar material and the second second planar planar material. The plurality of piece foams are heat-sealed with the ventilated first planar material and the other surface is heat-sealed with the ventilated second planar material through a second heat-sealing film, and the plurality of piece foams are spaced apart from each other. And fusing at least ten or more to said breathable first surface material.

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