KR102029085B1 - Method of Manufacturing shoe fabric having functional holes using adhesive yarns - Google Patents

Abstract

The present invention relates to a shoe fabric having functional holes using an adhesive yarn, and a method for manufacturing the same, and more specifically, to a method for manufacturing a shoe fabric having functional holes using an adhesive yarn, wherein by using the adhesive yarn, a base yarn is prevented from coming undone and maintains a shape and size thereof, and by forming various functional holes, the functionality of the shoe fabric can be ensured by the functional holes. According to the present invention, the method is to form functional holes in a shoe fabric, and comprises the steps of: preparing a base yarn and an adhesive yarn so as to correspond to a knitting pattern, which is predetermined according to shapes and sizes of the functional holes; knitting the prepared base yarn and adhesive yarn according to the knitting pattern, to produce the shoe fabric; and melting and bonding the adhesive yarn to the base yarn by applying heat to the produced shoe fabric, to complete production of the shoe fabric which includes the functional holes and in which the base yarn is prevented from coming undone.

Description

Method of manufacturing shoe fabric having functional holes using adhesive yarns}

The present invention relates to a method of manufacturing a shoe fabric formed with a functional hole to be used as a shoe upper to form a functional hole for the purpose of imparting breathability and beauty.

In general, a shoe hole used as a shoe upper is provided with a functional hole for the purpose of imparting breathability and beauty to the shoe.

On the other hand, in order to form the functional hole in the shoe fabric, the process of forming the functional hole by punching the shoe fabric with a punching machine, and the process of overlocking the finishing yarn or thermally fusion bonding the resin film so as not to loosen the basic yarn at the edge of the formed functional hole Was performed.

Due to such complex processes, manufacturing cost of shoe fabric is increased, productivity is lowered, beauty of appearance is deteriorated, and overall shape and dimensional stability are lost.

In order to solve the above disadvantages, a knitting structure for changing the knitting patterns of the first basic yarn and the second basic yarn to correspond to the position where the functional holes for knitting the first basic yarn and the second basic yarn are formed when knitting the shoe fabric with the circular knitting machine. To form a functional hole in the shoe fabric.

However, the functional holes physically formed on the shoe fabric using the knitting structure are relatively small and limited in size, so that it is difficult to achieve functionality to impart breathability and beauty, and the change of the knitting machine also requires a change in the structure of the circular knitting machine. there was.

In order to overcome these limitations, the melted yarn was mixed with the basic yarn at regular intervals to knit the shoe fabric, and the shoe fabric was immersed in the dissolving solution for a predetermined time to dissolve the melted yarn to form a functional hole in the shoe fabric.

However, functional holes formed chemically in the shoe fabric using the dissolving yarn as described above is due to the empty space removed as the dissolving yarn is dissolved, so its size is limited according to the knitting structure, and the overall shape and dimensional stability are inevitably lost.

As the melted sand was dissolved to form the functional hole, the knit structure formed by the melted sand and the basic yarn was cut off in the middle, and thus a finishing process to prevent the loosening of the basic yarn at the edge of the functional hole was inevitably required.

As described above, it is difficult to form functional holes for imparting functionality to shoe fabrics using the conventional functional hole forming technology, and shape and dimensional stability of shoe fabrics cannot be guaranteed.

Therefore, the functional holes are chemically formed on the fabric of the shoe, but there is no fear of loosening of the basic yarn on the edge of the functional hole, the size and shape of the functional holes can be freely selected, and improved security on the functional hole forming technology to ensure the shape and dimensional stability. This is desperate.

Republic of Korea Patent Publication No. 10-0013980, registered on March 17, 1983. Republic of Korea Patent Publication No. 10-2015-0111139, 2015.10.05. Republic of Korea Patent Publication No. 10-2010-0114651, published on October 26, 2010.

The present invention has been invented to solve the above problems, there is no risk of chemically forming the functional hole and loosening of the basic yarn at the edge of the functional hole, freely selectable size and shape of the functional hole, and also ensures overall shape and dimensional stability It is an object of the present invention to provide a method for manufacturing a shoe fabric formed with functional holes.

The object of the present invention is not limited to the above-mentioned object, and other objects which are not mentioned will be clearly understood from the following description.

Footwear fabrics formed with functional holes according to the present invention for achieving the above object is a knitted fabric knitted basic yarns and adhesive yarns, the functional hole is maintained without forming the primary yarns while the adhesive yarns are melted by heat and bonded to the basic yarns Characterized in that formed.

The knitted fabric is characterized in that the basic yarn and the adhesive yarn is composed of at least one strand respectively corresponding to the predetermined knitting pattern according to the shape and size of the functional hole is knitted on both sides by a circular knitting machine.

Footwear fabric with a functional hole according to the present invention for achieving the above object is a knitted fabric knitted with a primary yarn, a melted yarn and an adhesive yarn, the melted yarn is dissolved and removed by hot water and the adhesive yarn is melted by heat to the primary yarn It is also characterized in that the functional hole is formed while maintaining the main yarn is not bonded while being bonded.

The knitted fabric is characterized in that the basic yarn, the melted yarn and the adhesive yarn are each composed of at least one strand corresponding to a predetermined knitting pattern according to the shape and size of the functional hole is knitted on both sides by a circular knitting machine.

Method for manufacturing a shoe fabric with a functional hole according to the present invention for achieving the above object is to form a functional hole in the shoe fabric, the base yarn and the adhesive yarn to correspond to the predetermined knitting pattern according to the shape and size of the functional hole Preparing a; Manufacturing the shoe fabric by knitting the prepared basic yarn and the adhesive yarn according to the knitting pattern; And melting the adhesive yarn by applying heat to the manufactured shoe fabric and adhering it to the base yarn to complete the manufacture of the shoe fabric in which the functional hole in which the basic yarn is formed is maintained without being loosened. do.

The preparing may include determining a knitting order of the basic yarn and the adhesive yarn to correspond to the knitting pattern.

Further comprising the step of correcting the dimensions and shape by applying a tensile force in at least one of the longitudinal direction and the width direction while applying heat and pressure to the shoe fabric is formed functional functional holes.

The manufacturing step may include the step of knitting the shoe fabric of the double-sided and cylindrical shape according to the knitting pattern using the prepared primary yarn and the adhesive yarn circular knitting machine; And cutting the one side of the shoe fabric knitted in the longitudinal direction to open it in a flat form.

The manufacturing method of the shoe fabric with a functional hole according to the present invention for achieving the above object is to form a functional hole in the shoe fabric, the basic yarn and the melted yarn to correspond to the predetermined knitting pattern according to the shape and size of the functional hole And preparing an adhesive yarn; Preparing the shoe fabric by knitting the prepared basic yarn, dissolved yarn and adhesive yarn according to the knitting pattern; Manufacturing a semi-finished shoe fabric having a part of the functional hole formed by melting the adhesive yarn by applying heat to the manufactured shoe fabric and adhering to the basic yarn to maintain the shape of the basic yarn without loosening; And immersing the manufactured shoe fabric of the semi-finished product in hot water to dissolve and remove the dissolved yarn to form the remainder of the functional hole to complete the manufacture of the shoe fabric in which the functional hole is formed.

The preparing may include determining a knitting order of the basic yarn, the dissolved yarn, and the adhesive yarn so as to correspond to the knitting pattern.

Further comprising the step of correcting the dimensions and shape by applying a tensile force in at least one of the longitudinal direction and the width direction while applying heat and pressure to the shoe fabric is formed functional functional holes.

The manufacturing of the shoe fabric may comprise: knitting the shoe fabric of a double-sided and cylindrical shape according to the knitting pattern using the prepared basic yarn, dissolved yarn and adhesive yarn using a circular knitting machine; And cutting the one side of the shoe fabric knitted in the longitudinal direction to open it in a flat form.

According to the present invention by the above-described configuration, the primary yarn in the periphery of the functional hole has no fear of being released by the adhesive yarn as the adhesive yarn is melted and then bonded to the basic yarn to form a functional hole. Since the size can be freely selected, there is an effect of ensuring the functionality of the shoe fabric through the functional hole.

1 is a photograph showing a shoe fabric formed with a functional hole using an adhesive yarn according to a preferred embodiment of the present invention.
Figure 2 is an enlarged photograph of the main portion showing the shoe fabric formed with a functional hole using an adhesive yarn in accordance with a preferred embodiment of the present invention.
Figure 3 is a flow chart illustrating a method of manufacturing a shoe fabric is a functional hole formed using an adhesive yarn in accordance with a preferred embodiment of the present invention.
FIG. 4 is an exemplary view illustrating a process of forming a functional hole by adhesive yarn according to the manufacturing method of FIG. 3.
5 is a flowchart illustrating a method of manufacturing a shoe fabric having a functional hole using an adhesive yarn according to another exemplary embodiment of the present invention.
FIG. 6 is an exemplary view illustrating a process of forming a functional hole by dissolving yarn and adhesive yarn according to the manufacturing method of FIG. 5.

The present invention relates to a method of manufacturing a shoe fabric with a functional hole is formed to provide a breathable and beautiful and functional holes for use as a shoe upper.

In particular, the manufacturing method of the shoe fabric in which the functional hole is formed according to the present invention is formed in a chemical manner without forming the functional hole in a physical manner, there is no fear of loosening the basic yarn at the edge of the functional hole and the size and shape of the functional hole It is freely selectable and features the overall shape and dimensional stability.

This feature is to form a shoe fabric by knitting an adhesive yarn having an adhesive with a primary yarn melted by heat and to heat the shoe fabric of the semi-finished product manufactured by melting the adhesive yarn and bonded to the primary yarn to form the basic yarn without loosening It can be achieved by forming a functional hole to be retained.

Hereinafter, with reference to the accompanying drawings, a shoe fabric and a method of manufacturing the functional hole is formed according to a preferred embodiment of the present invention.

Footwear fabric having a functional hole according to a preferred embodiment of the present invention is to heat the knitted fabric knit the basic yarn 10 and the adhesive yarn 20, the adhesive yarn 20, as shown in Figures 1 and 2 Is melted and attached to the basic yarn 10 positioned around the functional hole 30 may be formed.

That is, as the adhesive yarn 20 is melted by heat, the functional hole 30 may be naturally formed while the space occupied by the adhesive yarn 20 in the knitted fabric remains as an empty space.

At this time, the adhesive yarn 20 is melted by heat and bonded to the basic yarn 10 at the edge of the functional hole 30 and then cured to prevent loosening of the basic yarn 10, thereby preventing the loosening of the basic yarn 10. The size can be kept intact.

That is, the adhesive yarn 20 is melted by heat so that the nose of the adhesive yarn 20 disappears, and the melted adhesive yarn 20 is not connected to the nose of the adhesive yarn 20, but exists in the sole yarn 10. The nose of the basic yarn 10 is attached to the nose does not loosen, and thus the shape and size of the functional hole 30 may be maintained intact.

However, in FIGS. 1 and 2, the adhesive yarn 20 is transparent and is not enlarged in the drawing, and thus the reference yarn 10 is denoted by the reference sign 10.

Meanwhile, the basic yarn 10 and the adhesive yarn 20 may be knitted on both sides using a circular knitting machine to correspond to a preset knitting pattern according to the shape and size of the functional hole 30.

In addition, the basic yarn 10 and the adhesive yarn 20 may be composed of a plurality of strands to correspond to a preset knitting pattern according to the shape and size of the functional hole 30, and a knitting order may be determined for each of the plurality of strands.

In addition, the basic yarn 10 may be composed of two or more basic yarns 10 different in color from each other so that the shoe fabric can have at least two colors for the beauty of the appearance.

Here, the basic yarn 10 may be made of polyester-based fibers, and the adhesive yarn 20 may be made of polyurethane-based fibers or nylon-based fibers melted by heat to exert adhesive force.

However, the basic yarn 10 is preferably made of a polyester-based fiber having a heat resistance that can be maintained without changing the form even in the heat applied to the shoe fabric in order to melt the adhesive yarn 20.

Shoe fabric with a functional hole according to a preferred embodiment of the present invention is a knitted fabric knitted the basic yarn 10, the melted yarn 40 and the adhesive yarn 20 is dissolved and removed by dissolving the sand 40 by hot water As the adhesive yarn 20 is melted by heat, the functional yarn 30 may be formed by the dissolving yarn 40 and the adhesive yarn 20.

The dissolving yarn 40 is further included in the tissue of the knitted fabric as described above in order to take advantage of the advantage that the functional hole 30 can be more easily formed and its shape and size can be freely formed.

That is, a portion of the functional hole 30 may be first formed while the adhesive yarn 20 is melted and bonded to the basic yarn 10 while applying heat to the shoe fabric. Then, when the shoe fabric is immersed in hot water for a predetermined time, the dissolving yarn 40 may be dissolved and removed by hot water, and the rest of the functional hole 30 may be formed.

However, in this case, the adhesive yarn 20 may be knitted to be connected to the basic yarn 10, and the melted yarn 40 may be knitted to be connected to the adhesive yarn 20 without being connected to the basic yarn 10. Then, the adhesive yarn 20 may be melted and adhered to the basic yarn 10, and the loosening of the basic yarn 10 may be prevented even when the dissolved yarn 40 is dissolved and removed.

Therefore, even though the adhesive yarn 20 is melted and the melted yarn 40 is dissolved, the adhesive yarn 20 is attached to the nose of the basic yarn 10 which is disconnected from the nose of the adhesive yarn 20. Nose of the nose is not released because of this, the shape and size of the functional hole 30 can be maintained intact.

Here, the dissolving yarn 40 may be made of polyvinyl alcohol-based fibers that can be removed by dissolving in hot water.

As described above, the functional yarn 30 can be formed in the shoe fabric by using the adhesive yarn 20 or the adhesive yarn 20 and the melted yarn 40, which can be maintained in various shapes and sizes. 30) can ensure the functionality of the shoe fabric.

According to a preferred embodiment of the present invention, a method of manufacturing a shoe fabric with a functional hole is provided in the yarn preparation step (S10), a shoe fabric knitting step (S20), a functional hole forming step (S30), and a dimensional form as shown in FIG. 3. It may be configured to include a correction step (S40).

First, the yarn preparation step (S10) is a step of preparing the basic yarn 10 and the adhesive yarn 20 to be the material of the shoe fabric corresponding to the predetermined knitting pattern according to the shape and size of the functional hole 30. .

That is, the yarn preparation step (S10) is to supply the yarn of the circular knitting machine by determining the number and knitting order of the basic yarn 10 and the adhesive yarn 20 to correspond to the predetermined knitting pattern according to the shape and size of the functional hole 30 It is placed in the frame.

To this end, the yarn preparation step (S10) is a step of determining the number of the basic yarn 10 and the number of the adhesive yarn 20 to correspond to the predetermined knitting pattern, respectively, the number of the basic yarn 10 and the adhesive yarn ( And determining the knitting order of 20) to correspond to the preset knitting pattern, and arranging the basic yarn 10 and the adhesive yarn 20 in which the knitting order is determined in the yarn supply frame of the circular knitting machine.

Next, the shoe fabric knitting step (S20) in the yarn preparation step (S10) by operating the circular knitting machine in which the basic yarn 10 and the adhesive yarn 20 is arranged in the yarn supply frame, the basic yarn 10 and the adhesive yarn ( 20) to prepare a knitted fabric by knitting.

In other words, the shoe fabric knitting step (S20) is to produce a knitted fabric by knitting the basic yarn 10 and the adhesive yarn 20 set in the number and knitting order with a circular knitting machine.

To this end, the shoe fabric knitting step (S20) is to operate the circular knitting machine to knit the basic yarn 10 and the adhesive yarn 20 to correspond to the preset knitting pattern to knit the shoe fabric of both sides and circular shape, and knitted Cutting one side of the shoe fabric in the longitudinal direction may include opening the shoe fabric in a flat form.

Next, the functional hole forming step (S30) is a step of forming a functional hole 30 by melting the adhesive yarn 20 by applying heat to the shoe fabric prepared in the shoe fabric knitting step (S20).

In other words, in the functional hole forming step (S30), the adhesive yarn 20 is melted by the heat of 100 to 120 ° C. applied to the shoe fabric, and then the adhesive yarn 20 is melted as the adhesive yarn 20 is bonded thereto. As a result, the nose of the basic yarn 10 which is disconnected from the adhesive yarn 20 is not released, thereby forming a functional hole 30 which is maintained in shape and size.

Finally, the dimension shape correction step (S40) is a step of completing the manufacturing of the shoe fabric in which the functional hole is formed by correcting the size and shape of the shoe fabric in which the functional hole 30 is formed in the functional hole forming step (S40).

That is, the dimension shape correction step (S40) is to correct the adhesive state of the adhesive yarn 20 or the size and shape of the functional hole in the functional hole forming step (S30) and to correct the overall dimensions and shape of the shoe fabric.

To this end, in the dimension shape correction step (S40), by applying a heat of 100 ~ 120 ℃ to the shoe fabric in which the functional hole 30 is formed and pressed up and down at a pressure of 20 ~ 30kg / cm in at least one of its longitudinal and width directions By applying a pulling force to the outside can be corrected to the predetermined dimensions and shape of the shoe fabric.

Then, it is possible to provide a shoe fabric which is finally corrected to a predetermined dimension and shape and the functional hole 30 is formed.

The manufacturing method of the shoe fabric in which the functional hole is formed according to the preferred embodiment of the present invention takes advantage of the fact that the functional hole 30 can be more easily formed and the shape and size of the functional hole 30 can be more freely formed. In order to further include a yarn 40 in the yarn preparation step (S10).

That is, the method of manufacturing a shoe fabric with a functional hole according to a preferred embodiment of the present invention, as shown in Figure 5 yarn preparation step (S10), shoe fabric knitting step (S20), shoe fabric heating step (S30), It may include a shoe fabric hot water immersion step (S40) and dimensional shape correction step (S50).

First, the yarn preparation step (S10) is the number and knitting order of the basic yarn 10, the dissolved yarn 40 and the adhesive yarn 20 to correspond to a predetermined knitting pattern according to the shape and size of the functional hole 30 Determining each is placed in the yarn supply frame of the circular knitting machine.

Next, in the shoe fabric knitting step (S20) by operating the circular knitting machine is a step of knitting the basic yarn 10, the melted yarn 40 and the adhesive yarn 20 to correspond to the predetermined knitting pattern.

That is, in the shoe fabric knitting step (S20) by knitting the basic yarn 10, the melted yarn 40 and the adhesive yarn 20 on both sides according to a predetermined knitting pattern to manufacture a shoe fabric of the cylindrical form, the manufactured cylinder One side of the shoe fabric of the form is cut in the longitudinal direction to manufacture a shoe fabric of the flat form.

Next, the shoe fabric heating step (S30) is a step of melting the adhesive yarn 20 by applying a heat of 100 ~ 120 ℃ to the manufactured shoe fabric and bonded to the basic yarn 10 in the vicinity. Then, the shoe fabric may form part of the functional hole 30 while the adhesive yarn 20 occupies a space in the shoe fabric.

Next, the shoe fabric hot water immersion step (S40) is a step of removing the dissolved yarn 40 by immersing the shoe fabric in hot water of 70 ~ 90 ℃ for a predetermined time. Then, as the space taken up by the melted yarn 40 in the shoe fabric becomes an empty space in the shoe fabric, the remaining portion of the functional hole 30 may be formed.

Finally, the dimensional shape correction step (S50) is at least one of the longitudinal direction and the width direction while applying the heat of 100 ~ 120 ℃ to the shoe fabric in which the functional hole 30 is formed and pressed up and down at a pressure of 20 ~ 30kg / cm It is a step of correcting the predetermined size and shape of the shoe fabric by applying a pulling force pulling outward in the direction.

Then it is possible to complete the manufacturing of the shoe fabric having a predetermined dimension and shape and the functional hole 30 is formed. At this time, the functional hole 30 of the shoe fabric is formed by the adhesive yarn 20 and the dissolving yarn 40 may further vary its size and shape.

The above embodiments are merely exemplary, and those having ordinary skill in the art may have other embodiments modified in various ways.

Therefore, the true technical protection scope of the present invention should include not only the above embodiment but also various other embodiments modified by the technical spirit of the invention described in the claims below.

10: basic yarn
20: adhesive yarn
30: functional hall
40: melted sand

Claims (12)

delete delete delete delete To form a functional hole in the shoe fabric,
Preparing a basic yarn and an adhesive yarn to correspond to a preset knitting pattern according to the shape and size of the functional hole;
Manufacturing the shoe fabric by knitting the prepared basic yarn and the adhesive yarn according to the knitting pattern;
The shoe is formed by applying heat to the fabric of the shoe to melt the adhesive yarn and adhere to the basic yarn so that the nose of the basic yarn, which is disconnected from the basic yarn according to the melting of the adhesive yarn, does not loosen and maintains its shape. Completing the manufacture of the fabric; And
Correcting the dimensions and shape by applying a tensile force in at least one of the longitudinal direction and the width direction while applying 100 ~ 120 ° C. heat to the fabric of the functional hole in which the functional hole is manufactured and pressing up and down at a pressure of 20˜30 kg / cm; Including,
The preparing may include determining a knitting order of the basic yarn and the adhesive yarn to correspond to the knitting pattern.
The manufacturing step comprises the step of knitting the shoe fabric of the two-sided and cylindrical shape in accordance with the knitting pattern using the prepared primary yarn and the adhesive yarn in a circular knitting machine, by cutting one side of the knitted shoe fabric in the longitudinal direction in a flat form Method of producing a shoe fabric with a functional hole characterized in that it comprises a; opening. delete delete delete To form a functional hole in the shoe fabric,
Preparing a basic yarn, a dissolved yarn, and a bonded yarn in correspondence with a preset knitting pattern according to the shape and size of the functional hole;
Preparing the shoe fabric by knitting the prepared basic yarn, dissolved yarn and adhesive yarn according to the knitting pattern;
Manufacturing the semi-finished shoe fabric in which a part of the functional hole in which the nose of the basic yarn which is disconnected from the adhesive yarn is maintained without forming a shape is formed by melting the adhesive yarn by applying heat to the manufactured shoe fabric and adhering to the basic yarn. Making;
Immersing the manufactured shoe fabric of the semi-finished product in hot water to dissolve and remove the dissolved yarn to form the remainder of the functional hole to complete the manufacture of the shoe fabric in which the functional hole is formed; And
Correcting the dimensions and shape by applying a tensile force in at least one of the longitudinal direction and the width direction while applying 100 ~ 120 ° C. heat to the fabric of the functional hole in which the functional hole is manufactured and pressing up and down at a pressure of 20˜30 kg / cm; Including,
The preparing may include determining a knitting order of the basic yarn, the dissolved yarn, and the adhesive yarn to correspond to the knitting pattern.
The step of manufacturing the shoe fabric is the step of knitting the shoe fabric of the two-sided and cylindrical shape in accordance with the knitting pattern using the prepared basic yarn and dissolved yarn and adhesive yarn, and one side of the knitted shoe fabric longitudinal direction Method of producing a shoe fabric with a functional hole, characterized in that it comprises a step of opening in a flat form by cutting. delete delete delete

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