KR102207564B1 - A Method for Manufacturing Coating Socks with Rubber and Socks Manufactured by the Same - Google Patents

Abstract

The present invention provides a method for manufacturing a rubber coated sock comprising the following steps: (a) using a sock knitting machine to knit a sock composed of a bottom part, an instep part, an ankle part, and an ankle elastic part, but knitting the sock for coating by mixing and knitting rubber yarn at the bottom of the sock; and (b) forming a coating part by coating the bottom part of the sock for coating of the step (a) using a synthetic resin. The rubber coated sock manufactured by the method of the present invention provides an advantage that the coating part is firmly coated on the bottom part of the sock without a pre-treatment procedure for firmly bonding the coating part to the bottom part of the sock.

Description

A Method for Manufacturing Coating Socks with Rubber and Socks Manufactured by the Same}

The present invention relates to a method of manufacturing a rubber-coated socks, and to socks manufactured by the method, and more particularly, a step of knitting socks by mixing rubber yarns at the bottom of the socks, and using a resin of the same material as the rubber yarns. It relates to a method of manufacturing a rubber-coated socks comprising the step of forming a coating portion on the bottom of the socks, and a socks manufactured by the method.

In general, socks have an ankle portion with a band portion formed at the tip, and a foot insertion portion is formed at the lower side of the ankle portion, and the wearer's feet, ankles, and a predetermined calf are inserted into the socks while inserting the wearer's feet from the open band portion. Is made to be inserted.

In particular, the band portion of the tip prevents the ankle portion of the socks from flowing down when wearing the socks, and has adequate pressure and elasticity so that the wearer does not feel uncomfortable, so that the wearing state of the socks is maintained.

These socks absorb sweat generated from the wearer's feet, or are worn for feet protection and cold protection, and are selected and worn according to personal preferences such as various designs and colors.

However, since conventional socks are made of fabric, the floor can be a bit slippery. Therefore, socks with anti-slip functions have been proposed to the bottom of the socks, but it may be somewhat limited in protecting the soles of the feet while completely preventing slipping to this extent.

Looking at the intellectual property literature related to the non-slip socks, KR Patent Application No. 10-2017-0023327 (name of the invention: socks-type shoes and manufacturing method thereof), socks formed of a cloth material; A shoe sole that forms the bottom of the sock and is formed by first injection molding; And a connection portion of the sock and the shoe sole that are disposed adjacent to each other so that the sock bottom, which is the bottom of the sock, and the shoe sole are separated from each other from the side, and a shoe connection formed by a second injection molding. Disclosing a socks-type shoe comprising a,

In KR Patent Application No. 10-2009-0037115 (name of the invention: socks-type shoes and manufacturing method thereof), an upper made of socks; Disclosed is a sock-type shoe, characterized in that it comprises a sole positioned under the upper,

In KR Patent Application No. 10-2009-0009138 (name of the invention: functional coating method for socks or tabi), functional coating is applied to the inside of a cloth material or tabi that directly touches the foot (skin) such as socks or tabi. To do this, make a coating material containing a material such as silicon in a molten state, turn the inner surface of the socks or tabi to be coated over and face it outward and downward, and then proceed as if dipping it in the molten coating material while dipping it lightly. When wearing socks or tabi coated in this way, it prevents the evaporation of moisture from the feet (skin) and prevents them from drying out, preventing dead skin from forming on the feet (skin), and the elasticity of the socks or tabi makes it easier to wear and take off. And, it discloses a functional coating method of socks or tabi that gives a natural touch to the feet (skin) because the coating part is smooth and soft to improve the fit of socks or tabi.

However, in the case of the intellectual property rights document described above, there is a problem that the durability of the coating portion of the socks is weak.

Throughout this specification, a number of papers and patent documents are referenced and citations are indicated. The disclosure contents of the cited papers and patent documents are incorporated by reference in this specification as a whole, and the level of the technical field to which the present invention belongs and the contents of the present invention are more clearly described.

The inventors of the present invention have made intensive research efforts to manufacture a coated socks having a resin coating portion on the bottom of the socks. As a result, when a sock is knitted by mixing a rubber yarn on the bottom of the sock, and then a coating is formed on the bottom of the sock by using a resin of the same material as the rubber yarn, The present invention has been completed by discovering that the coating can be firmly coated on the bottom of the sock without a pre-treatment procedure.

Accordingly, an object of the present invention is to provide a method of manufacturing a rubber coated socks.

In addition, another object of the present invention is to provide a rubber coated socks manufactured by the above manufacturing method.

Other objects and advantages of the present invention will become more apparent by the following detailed description, claims and drawings.

The present invention provides a coating sock manufacturing method.

The inventors of the present invention have made intensive research efforts to manufacture a coated socks having a resin coating portion on the bottom of the socks. As a result, when a sock is knitted by mixing a rubber yarn on the bottom of the sock, and then a coating is formed on the bottom of the sock by using a resin of the same material as the rubber yarn, It was confirmed that the coating could be firmly coated on the bottom of the sock without any pre-treatment procedure.

According to one aspect of the present invention, the present invention provides a method of manufacturing a rubber coated socks comprising the following steps: (a) a socks consisting of a bottom, an instep, an ankle, and an ankle elastic part is provided using a sock knitting machine. Knitting, but mixing and knitting a rubber yarn at the bottom of the socks to knit the socks for coating; And (b) forming a coating part by coating the bottom of the sock for coating of step (a) using a synthetic resin.

The term “bottom” as used herein may mean a region where the user's sole is located when the user wears the socks, not a region identified by a specific physical indication of the socks.

The term “instep” used in the present specification does not mean a region distinguished by a specific physical indication on the socks, but may mean a region where the user's instep is located when the user wears socks.

The term "ankle part" used in the present specification does not mean a region distinguished by a specific physical indication of the socks, but may mean a region where the user's ankle is located when the user wears the socks.

The term'ankle elastic part' as used herein refers to a part knitted using elastic yarn such as rubber to prevent the foot insertion part of the worn socks from being pushed to the lower part of the user's ankle when the user wears socks. can do.

The term “sock knitting machine” used in the present specification may mean an integrated device for knitting socks using fibers.

The term “coating socks” used in the present specification is knitted using a sock knitting machine, and may refer to socks in an uncoated state.

According to a preferred embodiment of the present invention, the bottom of the sock of the present invention is preferably selected from the group consisting of PE yarn, PET yarn, acetate yarn, polyurethane yarn, nylon yarn, cotton yarn, and a mixture thereof. It can be knitted by mixing yarns.

In the present invention, it is a very important configuration to mix and knit fibers and rubber yarns selected from the group including PE yarn, PET yarn, acetate yarn, polyurethane yarn, nylon yarn, cotton yarn, and blended yarns of the socks. . This is because, when the bottom portion of the socks is knitted by mixing regular fibers such as cotton yarn and rubber yarn, the molten coating solution and rubber yarn are firmly bonded to significantly increase the durability of the coating portion.

According to a preferred aspect of the present invention, the bottom portion of the sock of the present invention may preferably include cotton yarn and rubber yarn in a weight-based ratio of 10:2-5.

When the ratio of the cotton yarn and the rubber yarn is less than 10: 2, there is a concern that the durability of the coating portion may be deteriorated, and when the ratio of the cotton yarn and the rubber yarn exceeds 10: 2, there is a problem that the fit of the socks may be deteriorated.

According to a preferred aspect of the present invention, the rubber yarn material of the step (a) of the present invention and the synthetic resin material of the step (b) may preferably be the same.

In the present invention, it is very important that the rubber yarn material of step (a) and the synthetic resin material of step (b) are the same. This is because, when the rubber yarn material and the synthetic resin material are used as the same material, all or part of the rubber yarn is melted during the impregnation process of the socks for the coat and is integrated with the synthetic resin coating part.

According to a preferred embodiment of the present invention, the rubber yarn material of step (a) and the synthetic resin material of step (b) of the present invention may preferably be a polyurethane material or a natural rubber material.

According to a preferred aspect of the present invention, the boundary of the bottom portion, the instep portion and the ankle portion of the present invention may preferably be knitted with rubber yarn.

In the present invention, it is very important to knit the boundary between the bottom, the instep, and the ankle with rubber yarn. This is because, as a result of a number of experiments, when the boundary between the bottom portion, the instep portion, and the ankle portion is knitted with rubber yarn, it is possible to increase the bonding force of the interface of the coating portion having the weakest durability.

According to a preferred aspect of the present invention, the width of the border of the present invention may preferably be 2-5 mm.

According to a preferred embodiment of the present invention, the coating of step (b) of the present invention may be preferably made by impregnating the bottom of the sock for coating of step (a) to the boundary in a tray containing the molten synthetic resin. .

According to a preferred embodiment of the present invention, the thickness of the coating portion of the step (b) of the present invention may be preferably 0.5-2 mm.

According to another aspect of the present invention, the present invention is composed of a bottom part, an instep part, an ankle part and an ankle elastic part using a sock knitting machine, and the bottom part of the sock is PE yarn, PET yarn, acetate yarn, polyurethane yarn, nylon A fiber selected from the group including yarn, cotton yarn, and a blended yarn thereof is knitted and knitted, the boundary of the bottom portion, the instep portion and the ankle portion is knitted with rubber yarn, and the bottom portion is a rubber coated with synthetic resin. Provide coated socks.

In the present specification, details related to the rubber-coated socks are omitted in order to prevent the present specification from becoming excessively complicated due to a common relationship with the manufacturing method of the rubber-coated socks described above.

According to another aspect of the present invention, the present invention provides a rubber coated socks manufactured by the above-described method.

The features and advantages of the present invention are summarized as follows:

The present invention provides a method of manufacturing a rubber-coated socks comprising the following steps: (a) Knitting socks composed of a bottom portion, an instep portion, an ankle portion and an ankle elastic portion using a socks knitting machine, but the bottom portion of the socks Knitting socks for coating by mixing and knitting rubber yarns; And (b) forming a coating part by coating the bottom of the sock for coating of step (a) using a synthetic resin.

The rubber-coated socks manufactured by the method of the present invention provide the advantage that the coating portion is firmly coated on the bottom of the socks without a pretreatment procedure for firmly bonding the coating portion to the bottom of the socks.

1 shows a flow chart of the present inventors coating socks manufacturing method.
Figure 2 shows the appearance of the coated socks prepared by the method of the present invention.
Figure 3 shows a state in which the coating process is in progress on the coating socks included in the present invention.

Hereinafter, the present invention will be described in more detail through examples. These examples are only for describing the present invention in more detail, and that the scope of the present invention is not limited by these examples according to the gist of the present invention, for those of ordinary skill in the art to which the present invention belongs. It will be self-evident.

Example

Throughout this specification, the “%” used to indicate the concentration of a specific substance is (weight/weight)% for solids/solids, (weight/volume)% for solids/liquids, and Liquid/liquid is (vol/vol) %.

Manufacturing Example: Manufacturing of rubber coated socks

Preparation Example 1: Knitting of socks for coating

Air is collected for 10 minutes using an air compressor (Ilsung, KM1-15HK1), and the collected air is dried using an air dryer (Hanil, HT-10), and then a sock knitting machine (Taeho Machinery) is used to dry the collected air. , COMPUKNIT DL-700) was operated to knit the socks of the present invention. In the process of knitting the socks, the pattern of the socks was designed using a knitting machine pattern design program (Taeho design program MTHPDS). The bottom portion of the socks was designated to be knitted by mixing rubber yarn and cotton yarn, and the boundary of the bottom portion, the instep portion and the ankle portion was designated to be knitted using only rubber yarn, so that the coating socks of Example 1 were knitted. The socks for coating of Example 2 were knitted by designating the bottom of the socks to be knitted by mixing rubber yarn and cotton yarn. In addition, the socks for coating of the comparative example were knitted by designating all of the bottom, instep, and ankle portions of the socks to be knitted using cotton yarn.

Preparation Example 2: Preparation of rubber coated socks

In order to form a coating on the bottom of the coating sock prepared by the method of Preparation Example 1, a polyurethane resin is made molten and put in a tray, and then the bottom of the coating sock is facing down, and the coating material in a molten state While dipping thinly, the coating was formed by proceeding as if raising. The specific coating part formation conditions are as follows.

(1) Material: polyurethane

(2) Dipping depth: 3-5 mm

(3) Impregnation time: 3-5 sec

(4) Coating thickness: 1-1.5 mm

Experimental Example: Washing durability evaluation

Washing durability of the rubber-coated socks prepared by the method of Preparation Example 2 was evaluated under the following conditions.

-Name of washing machine used: LG Electronics Trom drum washing machine [FR46C5MCNH]

-Washing cycle/count: Nomal/cotton sturdy, 20 times

-Washing temperature/time: 27±3℃, 12 min.

-Drying method: tumble dry

-Weight of cloth in washing machine: 1.8 ± 0.1 kg

-Drying after test: 1 time, no ironing

As a result of the experiment, it was confirmed that the rubber-coated socks of Example 1 among the Comu-coated socks prepared by the method of Preparation Example 2 were not damaged even in the state of the washing 40 times. However, in the rubber-coated socks of Example 2, the coating part started to be damaged after 18 times of washing the coating part, and the rubber-coated socks of the comparative example started to damage the coating part after 5 times of washing the coating part.

Coating Socks 101 Melted Synthetic Resin 102
Coating 103

Claims (10)

(a) knitting socks consisting of a bottom, an instep, ankle, and an ankle elastic part using a sock knitting machine, and knitting socks for coating by mixing and knitting rubber yarns on the bottom of the socks; And
(b) In the method of manufacturing a rubber-coated socks comprising the step of forming a coating by coating the bottom of the socks for coating of step (a) with a synthetic resin,
The bottom of the socks is knitted by mixing a fiber selected from the group including PE yarn, PET yarn, acetate yarn, polyurethane yarn, nylon yarn, cotton yarn, and mixed yarn thereof, and a rubber yarn,
The bottom of the socks contains cotton yarn and rubber yarn in a weight-based ratio of 10: 2-5,
The rubber yarn material of step (a) and the synthetic resin material of step (b) are the same,
The rubber yarn material of step (a) and the synthetic resin material of step (b) are polyurethane material or natural rubber material,
The boundary of the bottom portion, the instep portion and the ankle portion is knitted with rubber yarn,
The width of the border is 2-5 mm
Characterized in that, the method of manufacturing a rubber coated socks.
delete delete delete delete delete delete The method of claim 1,
The coating of step (b) is a method of manufacturing a rubber-coated socks, characterized in that the bottom of the sock for coating of step (a) is impregnated to the boundary in a tray containing the molten synthetic resin.
The method of claim 8,
The method of manufacturing a rubber-coated socks, characterized in that the thickness of the coating portion in step (b) is 0.5-2 mm.
It is composed of a bottom part, an instep part, an ankle part and an ankle elastic part using a sock knitting machine,
The bottom portion of the socks is knitted by mixing a fiber selected from the group including PE yarn, PET yarn, acetate yarn, polyurethane yarn, nylon yarn, cotton yarn, and a mixture of these yarns,
The boundary of the bottom portion, the instep portion and the ankle portion is knitted with rubber yarn,
The bottom portion is coated with synthetic resin,
The bottom of the socks contains cotton yarn and rubber yarn in a weight-based ratio of 10: 2-5,
Characterized in that the width of the border is 2-5 mm,
Rubber coated socks.

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