WO1993005674A1

WO1993005674A1 - Coldproof shoes

Info

Publication number: WO1993005674A1
Application number: PCT/KR1992/000044
Authority: WO
Inventors: In Ho Won
Original assignee: In Ho Won
Priority date: 1991-09-26
Filing date: 1992-09-25
Publication date: 1993-04-01
Also published as: CN1073338A; KR930005567A; AU2647292A

Abstract

The present invention relates to coldproof shoes made by such a manner that a cuticular leather consists of an outer leather and an inner leather made of natural leather or synthetic resin leather and a number of through holes are perforated to the inner leather, and an insulation layer having a foamy synthetic resin such as foamy polystyrene mixed with a number of insulating particles and adhering films at each surface, and a deodorization layer made of synthetic resin composition made by mixing a number of deodorizing particles independently or by mixing as they are in more than 0.5 weight % in mixing ratio, are adhered so as to be piled between the outer leather and the inner leather, and the coldproof shoes in accordance with the present invention have advantages that a warm-keeping property and a deodorizing property are excellent and the foot of a wearer can be massaged and also a flexibility is excellent.

Description

COLDPROOF SHOES

TECHNICAL FIELD The present invention relates to a coldproof shoes which is excellent in warm-keeping property and deodorizing property and capable of massaging a foot of a wearer and also excellent in dehumidifying property. BACKG ROUND

Generally, the coldproof shoes must be able to warmly cover the foot of a wearer on cold season or in cold area, however since a conventional coldproof shoes were made in excessively thick in a cuticular leather and a shoe's sole in order to obtain a coldproof effect, not. only a weight was heavy but also a flexibility was short and a wearing feeling was bad, and in case when a sweat was filled to the foot. during wearing, this was not able to effectiv-ely remove, therefore not only an odor became to be remained for long time undesirably but also it was not hygienical_., and even in case of standing for long time without walking in a state being sweating at the foot, there has been a problem that some risk to be frostbitten at the foot in winter season.

SUMMARY OF THE INVENTION

The present invention solves various problems of conventional coldproof shoes as these, and it is an object of the present invention to provide a coldproof shoes which are excellent in insulating property and in deodorizing property by forming a cuticular leather by piling in turn an insulation layer made of foamy synthetic resin including a multiplicity of insulating particles and a deodorization layer made of synthetic resin composition including a multiplicity of deodorizing particles between an outer leather of cuticular leather contacting with cold outdoor air and an inner leather contacting with foot of the wearer.

Another object of the present invention is to provide a coldproof shoes which are excellent in insulating property by piling an insulation layer made of foamy synthetic resin including a multiplicity of insulating particles even on a shoe's sole.

Further object of the present invention is to provide a coldproof shoes in which deodorizing synthetic resin made of synthetic resin composition including a multiplicity of deodorizing particles is arranged to be protruded toward the foot in the form of dot type or various geometric patterns so that smell of sweat diffusing from the foot can be effectively removed out while massaging the foot of the wearer.

Still further object of the present invention is to provide a coldproof shoes which are excellent in insulating property, deodorizing property and flexible property by piling an insulation layer made of foamy synthetic resin including a multiplicity of insulating particles and a textile fabrics actively adhered with deodorizing particles between the outer leather and the inner leather of the cuticular leather.

The novel features which are consdidered as characteristic for the invention are set forth in particular in the appended claims. The invention itself, however, as to its constructiin together with additional objects and advantages thereof, will be best understood from the folowing description of specific embodiments whean read in connection with the accompanying drawings.

BRIEF DESCRIPTION OF THE DRAWINGS

For a better understanding of the invention, and to show how the same may be carried into effect, reference will now be made, by way of example, with respect to the accompanying drawings, in which :

FIG.1 is a perspective view showing an internal structure by cutting out a part of coldproof shoes in accordance with the present invention,

FIG.2 is a schematic cross sectional view of a coldproof shoes in accordance with the present invention,

FIG.3 is a fragmentary magnified cross sectional view showing a cuticular leather structure of a coldproof. shoes in accordance with the present invention,

FIG.4 is a fragmentary magnified cross sectional view of a cuticular leather showing an embodiment of the coldproof shoes in accordance with the present invention, FIG.5A is a fragmentary plane view showing a form of an inner leather of the cuticular leather shown in FIG.4,

FIG.5B ia s fragmentary plane view showing another form of the inner leather of the cuticular leather shown in FIG.4,

FIG.6 is a fragmentary magnified cross sectional view of the cuticular leather showing another embodiment of the coldproof shoes in accordance with the present invention, and

FIG.7 is a fragmentary magnified .cross sectional view of the cuticular leather showing still other embodiment of the coldproof shoes in accordance with the present invention.

Throughout the drawings, like reference numerals and symbols are used for designating like or equivalent parts or portions, for simplicity of illustration and explanation.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIGS.1 to 3 illustrate respectively an entire structure and an internal structure of the doldproof shoes in accordance with the present invention.

In FIG.1 to 3, a reference numeral symbol 10 denotes a cuticular leather, numeral 11 is a shoe's sole, numeral 20 is an outer leather, made of natural leather or synthetic resin leather making the cuticular leather 10, numeral 30 is an inner leather made of natural leather or synthetic resin leather making the cuticular leather 10, numeral 40 is an insulation layer, numeral 50 is a deodorization layer, and numeral 60 is an insulation layer attached on the shoe's sole 11.

The insulation layer 40 is made of a foamy synthetic resin 41 such as a foamy polystyrene mixed with a nuraberr of insulating particles such as diatom or asbestos powder, and adhesive films 42,43 covering this foamy synthetic resin 41.

An insulation layer 60 attached on the shoe's sole 11 is made of a same structure as the insulation layer 40 to be included to the cuticular leather 10, .and an adhesive film

63 of bottom side of adhesive films 62,63 covering a foamy synthetic resin of the. insulation layer is utilized for adhering the insulation layer 60 to the shoe's sole 11, and the adhesive film 62 of top side is utilized for adhering an internal shoe's sole which is not shown in the drawings.

An adhesive film 42 of top side of the insulation layer 40 included to the cuticular leather 10 is utilized for adhering the insulation layer 40 with the outer leather 2C. and the adhesive film 43 of bottom side is utilized for adhering the insulation layer 40 with the deodorization layer 50.

A number of through air holes 31 for promoting a deodorizing effect by the deodorization layer 50 are perforated to the inner leather 30, and the adhering of this inner leather 30 and the deodorization layer 50 is desirable to adhere by applying a pressure in a state of contacting the inner leather 30 and the deodorization layer 50 before the synthetic resin composition making the deodorization layer 50 would be cured, in other words, when it would have certain degree of an adhesive property, because they can be firmly adhered even without using a separate adhesive agent.

Since the coldproof shoes in accordance with the present invention made of these structure is made by adhering the insulation layer 40 made of foamy synthetic resin 41 such as foamy polystyrene mixed with the insulating particles such as diatom or asbestos powder and the adhering films 42,43 covering this foamy synthetic resin 41, and the deodorization layer 50 made of the synthetic resin composition mixed with the deodorizing particles such as copper powder or bioceramic, so as to be piled between the inner leather 30 and the outer leather 20 of the cuticular leather 10 made of natural leather or synthetic resin leather, and the insulation layer 60 having same structure as the insulation layer 30 is adhered on the shoe's sole, the insulating property and the deodorizing property are excellent, therefore there are advantages that not only the foot of a wearer can be warmly kept upon wearing but also a stinking of foot smell can be removed even being full with sweat at the foot.

Hereinafter, the present invention will be described in accordance with the preferred embodiments. FIRST EMBODIMENT

As shown in FIG.4, the insulation layer 40 made of foamy synthetic resin 41 such as foamy polystyrene mixed with the insulating particles such as diatom or asbestos powder and the adhering films 42,43, and the deodorization layer 50 made of synthetic resin composition mixed with copper powder or bioceramic independently or by mixing as they were in more than 0.5 weight % in mixing ratio, were adhered so as to be piled between the outer leather 20 and the inner leather 30 of the cuticular leather 10, and as shown in FIGS.5A and 5B, the deodorizing synthetic resin 70 including the deodorizing particles was arranged so as to be protruded in the form of the dot type or various geometric patterns on the internal surface of the inner leather 30.

SECOND EMBODIMENT As same as in FIG.1, the insulation layer 40 and the deodorization layer 50 were adhered so as to be piled between the outer leather 20 and the inner leather 30 making the cuticular leather 10, and the deodorization layer 70 including the deodorizing particles was arranged so as to be protruded on both surface of the inner leather 30 so that a gap 80 was defined between the deodorization layer 50 and the inner leather 30.

THIRD EMBODIMENT

As in the present invention illustrated in FIGS.1 to 3, the foamy synthetic resin 41 such as the foamy polystyrene mixed with the insulating particles such as diatom or asbestos were piled between the outer leather 20 and the inner leather 30 making the cuticular leather 10, and the deodorizing textile fabrics 90 mixed with copper powder or bioceramic instead of the deodorization layer 50 independently or by mixing as they were in more than 0.5 weight % in mixing ratio were arranged so as to be piled between the insulation layer 40 and the inner leather 30.

As a result, the cuticular leather 10 obtained in accordance with the first embodiment not only were excellent in warm-keeping property and in deodorizing property but also could massage the foot of a wearer due to an existence of the protruded deodorizing synthetic resin 70.

And, the cuticular leather 10 obtained in accordance with the. second embodiment not only could obtain a massage effect being excellent in the warm-keeping property but also was very much excellent in deodorizing property due to the gap 80 located between the deodorization layer 50 and the inner leather 50.

And also, the cuticular leather 10 obtained in accordance with the third embodiment not only were excellent in warm-keeping property and in deodorizing property and could obtain the massage effect but also the flexible property was excellent and a feeling of wearing was particularly excellent.

It will be understood that each of the elements described above, or two or more together, may also find a useful application in other types of constructions differing from the types described above.

While the invention has been illustrated and described as embodied in a coldproof shoes, it is not intended to be limited to the details shown, because various modificationsand structural changes may be made without departing in any way from the spirit of the present invention.

Without further analysis, the foregoing will so fully reveal the gist of the present invention that others can, by applying current knowledge, readily adopt it for various applications without omitting features that, from the standing point of prior art fairly constitute essential characteristics of the generic or specific aspects of this invention.

Claims

WHAT IS CLAIMED IS :

1. Coldproof shoes which is characterized by making that a cuticular leather 10 consists of an outer leather 20 and an inner leather 30 made of natural leather or synthetic resin leather and a number of through holes 31 are perforated to the inner leather, and an insulation layer 40 made of foamy synthetic resin 41 such as foamy polystyrene mixed with insulating particles such as diatom or asbestos and adhesive films 42,43, and a deodorization layer 50 made of synthetic resin composition mixed with deodorizing particles such as copper powder or bioceramic independently or by mixing as they are in more than 0.5 weight % in mixing ratio 30, are adhered so as to be piled between said outer leather 20 and the inner eather 30.

2. Coldproof shoes as defined in claim 1, which is cnaracterized by making that a deodorizing synthetic resin 70 including a multiplicity of deodorizing particles are arranged so as to be protruded in the form of dot type or various geometric patterns.

3. Coldproof shoes as defined in claim 2, which is characterized by making that the deodorizing synthetic resin 70 including a number of deodorizing particles are arranged so as to be protruded on both surfaces of the inner leather 30 and a gap 80 is defined between the deodorization layer 50 and the inner leather 30.

4. Coldproof shoes as defined in claim 1, which is characterized by making that, a deodorizing textile fabrics 90 mixed with a number of deodorizing particles such as copper powder or bioceramic independently or by mixing as they are in more that 0.5 weight % in mixing ratio is adhered so as to be piled between the insulation layer 40 and the inner leather 320.