JP3132775B2 - Hook-loop mixed surface fastener and method of manufacturing the same - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hook and loop mixed surface fastener, and more particularly to a hook and loop in which hook-shaped engaging elements and loop-shaped engaging elements having different heights are arranged adjacent to one surface of a base cloth. It relates to a mixed type surface fastener.

[0002]

2. Description of the Related Art Conventionally, a hook-and-loop fastener marketed under the trade name "Magic Tape" is a male fastener having a large number of hook-shaped engaging elements made of a single yarn of synthetic fiber on one surface of a base cloth. And a female surface fastener provided with a large number of loop-shaped engaging elements. By engaging these two engaging elements, the two surface fasteners can be tightly integrated with each other. Fasteners,
It can be easily peeled off by hand.

However, since the conventional male fastener and female fastener use two types of surface fasteners, it is necessary to work while distinguishing the two types of surface fasteners, for example, when attaching them to clothing or the like. Also, if a male fastener is mistakenly attached to the part where the female fastener is attached, the male fasteners cannot adhere to each other, so remove one of the male fasteners and replace it with a female fastener. There is a need. However, if the male surface fastener is adhered to a garment or the like with a hot melt adhesive or the like, the replacement is substantially impossible. In the case of sewing with a sewing machine or the like, it is possible to replace the sewing machine, but it is a time-consuming operation.

In contrast to the method using two types of hook-and-loop fasteners, a hook in which a hook-shaped engaging element made of a single yarn of synthetic fiber and a loop-shaped engaging element are provided together on one surface of a base cloth.・ Loop mixed type surface fastener (for example, Tokiko Sho45
-12952, JP-A-49-2649). In such a hook-and-loop fastener, a hook-shaped engaging element and a loop-shaped engaging element are provided on one surface of a base cloth in a mixed manner, so that one type of hook-and-loop fastener can be tightly integrated with each other. And can be separated.

[0005]

The hook and loop mixed type surface fastener has an excellent feature that one type of surface fastener can be closely adhered to and integrated with one another. Since the height of the hook-shaped engaging element is set to be 25 to 50% higher than the height of the loop-shaped engaging element, when the hook-and-loop fasteners are not tightly integrated with each other, the hook-shaped engaging element is a nonwoven fabric. It may be engaged with a textile product made of a knitted fabric, a standing blanket, a thin woven fabric, or the like, thereby damaging the textile product and attaching dust such as lint. Further, since the surface of the hook-and-loop fastener is rough, it has the drawback of the male hook-and-loop fastener as it has an inferior feel when attached to clothes or the like.

Further, the hook-and-loop mixed surface fastener may be used because the density of the hook-shaped engaging elements and the loop-shaped engaging elements provided on one surface of the base cloth is low and the ratio of the hook-shaped engaging elements is extremely low. The tensile strength and peel strength (hereinafter referred to as "engagement strength") when they are brought into close contact with each other are remarkably inferior to those when the male fastener and the female fastener are brought into close contact with each other, and cannot be put to practical use at all. There was a disadvantage. Therefore, a practical hook and loop mixed surface fastener has not been commercialized yet.

Therefore, an object of the present invention is to make the engaging strength, which is a drawback of the conventional hook / loop mixed surface fastener, equal to or practically equivalent to that of the conventional male / female type surface fastener. It is an object of the present invention to provide a hook-and-loop mixed type hook-and-loop fastener of high practicality which has solved the drawbacks of the male fastener of the above. Another object of the present invention is to provide a method for efficiently manufacturing the hook and loop mixed surface fastener.

[0008]

The inventor of the present invention has examined the conventional hook and loop mixed type surface fastener from the viewpoint of manufacturing technology. Conventionally, when forming a hook by cutting a loop, an adjacent loop-shaped fastener is formed. In order to cut the loop without damaging the engagement element, reduce the density of hooks and loops, and reduce the ratio of hook-like engagement elements as much as possible,
Moreover, it is presumed that the hook-shaped engaging element had to be set extremely higher than the loop-shaped engaging element,
A study has been made on a method of manufacturing a hook and loop mixed surface fastener capable of cutting a loop without damaging an adjacent loop-shaped engaging element. When set low, the adjacent loop can be cut to form the hook-shaped engagement element without damaging the loop-shaped engagement element, and the density of the hook and the loop can be increased, and the hook-shaped engagement element can be increased. The inventors have found that it is possible to increase the ratio of the engagement elements, and it is possible to expect an improvement in the engagement strength. As a result of further investigation, the present invention has been achieved.

That is, according to the first aspect of the present invention, a hook-shaped engaging element and a loop-shaped engaging element made of a single yarn of a synthetic fiber having a diameter of 0.1 to 0.4 mm are provided on one surface of a base cloth. A hook-and-loop mixed type surface fastener, comprising: a hook-shaped engaging element having a height of 1.3 to 3.8 mm on one surface of the base fabric; and a height of 1.5 to 2.0 mm higher than the hook-shaped engaging element. ~
A hook-and-loop mixed element characterized in that a 4 mm loop-shaped engaging element is provided at a density of 40 to 120 pieces / cm ↑ 2 and the ratio of the loop-shaped engaging element is 40 to 60%. Mold surface fastener.

According to a second aspect of the present invention, a single yarn of synthetic fibers is formed in a circular loop on one surface of a base cloth, and a plurality of at least one single yarn loop row is provided. adjacent to the doubling of the synthetic fiber, than the single yarn loop 0.
Form a circular loop that is 2 to 2.0 mm higher and have at least 1
A row of ply yarn loops is provided so that one surface of
After the formation of Lulu-loop column alternately, the base cloth and the both Lou
By heat-treating flop, set the single-thread loop at the height of the 1.3～3.8Mm, and the 該合thread loop at a height of 1.5 to 4 mm, yet
After setting 0.2 to 2.0 mm higher than the single thread loops, the single
A method for manufacturing a hook and loop mixed type surface fastener, comprising cutting an upper portion of a yarn loop to form a hook-shaped engagement element.

Furthermore the invention according to claim 3, a single yarn of synthetic fiber on a surface of the base fabric to form a circular loop, a plurality rows of single yarn loop row of at least 1 Article, and the single yarn adjacent to Le <br/>-loop sequence, to form a doubling of small synthetic fiber thermal shrinkage than the synthetic fiber into a circular shaped loop, provided with a doubling loop sequence of at least 1 Article , Heat on one surface of the base cloth
After alternately forming single yarns and composite yarn loops composed of synthetic fibers having different shrinkage ratios, the base fabric and both loops are heat- treated to reduce the single yarn loops to 1.3 to 3.8 mm. set the height, and the 該合thread loop at a height of 1.5 to 4 mm, yet was 0.2~2.0mm set higher than the single yarn Le <br/>-loop, after which the single yarn Lou <br / A hook-and-loop mixed type surface fastener, characterized in that a hook-shaped engaging element is formed by cutting an upper part of a hook.

[0012]

According to the present invention, since the hook-shaped engaging element and the loop-shaped engaging element are provided on one surface of the base cloth, the hook-and-loop fasteners having the same structure can be tightly integrated with each other or separated by peeling. can do. Moreover, since the height of the loop-shaped engaging element is set higher than that of the hook-shaped engaging element, the density of the hook-shaped engaging element and the loop-shaped engaging element can be increased. Therefore, the hook-and-loop mixed type surface fastener of the present invention has the same engagement strength as the conventional male fastener and female surface fastener when used. In addition, by setting the loop-shaped engaging element high, the feel of the surface is excellent, and the hook-shaped engaging element is locked to other textiles, for example, during washing, etc. There is an advantage that there is no need to do anything.

According to the method of manufacturing a hook and loop mixed surface fastener of the present invention, at least one loop row and a loop-shaped engaging element row forming a hook-shaped engaging element are formed on one surface of the base cloth. Since at least one loop row is provided, and the height of the latter loop row is set higher than that of the former loop row, in a surface fastener using a single yarn of a synthetic fiber as a hook-shaped engagement element, When cutting a loop forming a hook-shaped engagement element with a cutting blade,
The adjacent loop-shaped engaging elements are not damaged. Therefore, production efficiency can be improved.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a hook and loop mixed surface fastener according to the present invention will be described with reference to the drawings. FIG. 1 is a perspective view of a hook and loop mixed type surface fastener according to the present invention;
The hook-and-loop fastener 1 has a hook-shaped engaging element 3 and a loop-shaped engaging element 4 provided on one surface of a base cloth 2 made of a woven cloth, a knitted cloth, a plastic sheet or the like. The base fabric made of a woven fabric or a knitted fabric usually has a thickness of 0.3 to 3.0 mm. The hook-shaped engaging element 3 and the loop-shaped engaging element 4
Are provided in a row on the base fabric 2 as shown in FIG. The engaging elements 3 and 4 are provided alternately every one row or every three to four rows, but the ease of cutting the loop when forming the hook-shaped engaging elements 3 or the ease of implanting the resin molded body. In view of the above, it is preferable that the hook-shaped engaging elements 3 are usually provided in two rows. The arrangement of the hook-shaped engagement elements 3 and the loop-shaped engagement elements 4 may be, for example, a parallel arrangement along the longitudinal direction of the base cloth, a staggered arrangement, in addition to the parallel arrangement at an angle in the longitudinal direction of the base cloth shown in FIG. Various arrangements such as a zigzag arrangement, every other or every two staggered arrangements, and a cyclic arrangement can be employed. Usually, a parallel arrangement along the longitudinal direction of the base fabric is preferable because it is easy to manufacture.

When at least one hook-shaped engagement element row and loop-shaped engagement element row are alternately arranged as described above, the hook-shaped engagement element 3 and the loop-shaped engagement element 4 provided on the base cloth are provided.
Ratio is equal, it is desirable to be able to maximize the engagement strength when the surface fasteners of the present invention are tightly integrated with each other, but in order to improve the commercial value of the surface fasteners, both ends of the base fabric There may be a case where a row of hook-shaped engaging elements is arranged in the portion, or a row of loop-shaped engaging elements is arranged.
In consideration of such arrangement of the engaging elements, the ratio of the hook-shaped engaging elements or the loop-shaped engaging elements is 40 to 60%. If it is within the above range, there is no reduction in the engagement strength when the two surface fasteners are closely adhered to each other, but if it is outside the above range, the balance with the mating surface fastener to be engaged will be lost. When the hook-and-loop fasteners are closely integrated with each other, the strength of engagement is greatly reduced, which is not practical.

The height of the loop-shaped engaging element 4 provided on one surface of the base cloth 2 is suitably 1.5 to 4 mm, usually 2 to 3 mm. If the height of the loop-shaped engaging element is less than 1.5 mm, it is difficult to lock the loop-shaped engaging element to the hook-shaped engaging element 3 on the other side, and practical engagement strength cannot be obtained. Moreover, it is substantially impossible to manufacture a hook-shaped engaging element that is lower than the height of the loop-shaped engaging element. On the other hand, if the height of the loop-shaped engaging element exceeds 4 mm, it is difficult to integrate the two hook-and-loop fasteners into close contact with each other, and it is easy to disengage even when engaging with the hook-shaped engaging element on the other side. .

The height of the hook-shaped engaging element 3 provided on one surface of the base cloth 2 is 1.3 to 3.8 mm, usually 1.5 to 2.5 mm.
It is. When a single yarn of synthetic fiber is used as the hook-shaped engaging element, the loop woven in the base cloth cannot be cut if the height of the hook-shaped engaging element 3 is 1.3 mm or less.

Hook-shaped engaging element 3 and loop-shaped engaging element 4
The relationship between the heights of the loop-shaped engagement elements 4 as shown in FIG.
Is set higher than the hook-shaped engagement element 3. The difference in height is suitably 0.2 to 2.0 mm, usually 0.3 to 1.0 mm.
If the difference in height is less than 0.2 mm, the surface of the hook-and-loop fastener may be rough due to the influence of the hook-shaped engaging element, resulting in a poor feel when attached to clothes, and the hook-shaped engaging element may engage with other textiles. Or lint may adhere. Further, when the hook is formed by cutting the loop at the time of manufacturing, the adjacent loop-shaped engaging element may be damaged, and the density of the loop-shaped engaging element and the hook-shaped engaging element provided on the surface of the base cloth may be reduced. There is a problem that can not be higher. On the other hand, if it exceeds 2.0 mm, it becomes difficult to engage the hook-and-loop fastener on the other side due to the rebound of the loop-shaped engagement element,
Even if the two surface fasteners are engaged with each other, it is difficult to closely integrate the two surface fasteners.

The height of the hook-shaped engagement element is 1.3 to 3.8 mm
By setting the hook engagement element 3 and the loop engagement element 4 on one surface of the base cloth, the density can be increased. In the present invention, 40 to 120 hook-shaped engagement elements and loop-shaped engagement elements are provided per 1 cm @ 2. The number of such engaging elements depends on the diameter and number of the single yarns forming the hook-shaped engaging elements, but it is usually preferable to provide 60 to 90 engaging elements. 2
If the sum of the two engaging elements is less than 40, the engaging strength when the surface fasteners of the present invention are closely adhered to each other is inferior, and it cannot be said that the surface fasteners are practical. If the sum of the two engaging elements exceeds 120, it is difficult to cut the loop for the hook-shaped engaging element.

The synthetic fiber single yarn used as the hook-shaped engaging element is a synthetic fiber single yarn having a diameter of 0.1 to 0.4 mm, usually 0.14 to 0.25 mm. A single yarn having a diameter of less than 0.1 mm is too thin and has poor engagement strength, and is not suitable as a hook-shaped engagement element. On the other hand, if the diameter exceeds 0.4 mm, it is too thick to be cut by the cutting device, and the feel is inferior, so that it is not suitable as a hook-shaped engaging element.

The loop-shaped engagement element has a diameter of 20 to 100.
μ, usually 35 to 95 μ in diameter, is used as a composite yarn in which single yarns of synthetic fibers are combined. The plying yarn is 2 to 50 single yarns, usually 3
~ 30 single yarns are used in combination.

Synthetic fibers, metal fibers, and the like are used as the single yarn constituting the hook-shaped engaging element and the composite yarn forming the loop-shaped engaging element. Usually polyamide, polyester,
Fibers made of thermoplastic synthetic resins such as polypropylene and polyethylene are used. In particular, polyester is preferably used because of its high engaging strength and excellent dimensional stability.

As the single yarn constituting the hook-shaped engaging element and the composite yarn constituting the loop-shaped engaging element, synthetic fibers made of the same resin are usually used. Synthetic fibers made of different resins may be used.
In this case, it is preferable to use a resin having a higher Young's modulus than the resin used for the loop-shaped engaging element in terms of the engaging strength. For example, a synthetic fiber made of a resin such as polyester for the hook-shaped engagement element,
Synthetic fibers made of a resin such as polyamide can be used for the loop-shaped engagement element.

The synthetic fibers forming the hook-shaped engaging element and the loop-shaped engaging element are woven into a base fabric to form a loop. The loop for the hook-shaped engaging element is usually formed by a plurality of warps forming the base cloth, usually when weaving the loop into the base cloth as shown in FIG. It is woven through two warps. On the other hand, as shown in FIG. 3 (b), the loop for the loop-shaped engaging element is woven through one warp forming the base fabric in the same manner as the conventional female fastener.

The hook and loop mixed surface fastener 1
Is usually applied to the entire surface or a part of the other surface of the base fabric 2, and the adhesive layer 5 is formed by the adhesive. On the surface of the adhesive layer 5, a protective sheet 6 that can be peeled off from the adhesive layer is attached. hook·
In the case of using a loop mixed surface fastener, the surface fastener 1 can be easily attached by peeling the protective sheet 6 from the adhesive layer 5, and workability can be improved. A hook-and-loop fastener having no adhesive layer on the other surface of the base fabric 2 can be attached to clothing or the like with a sewing thread or the like.

FIGS. 4 to 6 are perspective views showing an example of use of the hook / loop mixed surface fastener of the present invention. FIG. 4 shows two hook / loop mixed surface fasteners 1 of the same configuration according to the present invention. , 1 'are closely integrated with each other. In this case, the hook-shaped engaging element 3 provided on the one surface fastener 1 is engaged with the loop-shaped engaging element 4 'provided on the mating surface fastener 1'. The loop-shaped engaging element 4 is engaged with a hook-shaped engaging element 3 'provided on the mating surface fastener 1'.

The hook and loop mixed surface fastener of the present invention has a tensile strength of 0.50 kg / cm ／ 2 or more and a peel strength of 55 g when two surface fasteners having the same structure are brought into close contact with each other.
/ cm or more. A hook-and-loop fastener having a tensile strength of less than 0.50 kg / cm ↑ 2 or a peel strength of less than 55 g / cm has a low engaging strength and is not practical. Usually, a surface fastener having a tensile strength of 0.60 kg / cm ／ 2 or more and a peel strength of 60 g / cm or more is preferably used. The above tensile strength and peel strength are values measured according to the measuring method described in JIS L3416.

FIG. 5 shows an example in which the hook-and-loop mixed surface fastener 1 of the present invention and the conventional male fastener 7 are tightly integrated, and the hook-shaped engaging element 9 provided on the male fastener 7 has a hook-like engagement element. It is engaged with the loop-shaped engaging element 4 provided in the loop mixed type surface fastener. Figure 6 shows the hook
Loop mixed type surface fastener 1 and conventional female surface fastener 8
In this example, the loop-shaped engaging element 10 provided on the female surface fastener 8 is engaged with the hook-shaped engaging element 3 provided on the hook / loop mixed type surface fastener. Although the hook and loop mixed surface fastener of the present invention can be engaged with a conventional male or female surface fastener as shown in FIGS. It is inevitable that the fastener will be lower than the case where two fasteners are engaged with each other, and the adhesiveness is inferior.

Next, a method of manufacturing a hook and loop mixed surface fastener according to the present invention will be described with reference to FIGS.
First, as shown in FIG. 7, the method for manufacturing a hook and loop mixed surface fastener according to the present invention comprises a single fiber of synthetic fiber formed on a mandrel 11 having a C-shaped cross section and arranged on a base fabric 20 at intervals of two rows. And a circular loop 14 formed by weaving synthetic yarns of a synthetic fiber into a mandrel 12 having a rectangular cross section, which is arranged at intervals of two lines between the mandrels and a mandrel loop row formed by forming a circular loop 13. The formed plying thread row is provided. The single yarn loop 13 and the single yarn loop 14 are usually woven so that the single yarn loop is 0.2 to 2.0 mm higher than the single yarn loop. As synthetic fibers to form a single yarn loop, when using large synthetic fibers thermal shrinkage than synthetic fibers forming the doubling loop, setting the doubling loop and single yarns loop at the same height I don't care. In the latter case, it is necessary to form a single-thread loop row and a twin-thread loop row, and then perform a heat treatment so that the double-thread loop becomes 0.2 to 2.0 mm higher than the single-thread loop. Heat treatment is usually performed after weaving single yarn loops and ply yarns into the base fabric, for example, at a temperature of about 190 to 240 ° C. for polyamide fibers and polyester fibers and about 110 ° C. for polypropylene fibers, using superheated steam or the like. Heat treatment is performed.

Next, the base fabric 20 provided with the single yarn loop 13 and the double yarn loop 14 is supplied to a cutting device. The cutting device is
As shown in FIGS. 8 to 10, a fixed cutting blade 15 having a comb-shaped fixed thickness and configured to protrude only into a single-thread loop row, and protrudes only above and below only the single-thread loop row Comb-shaped movable cutting blades 1 configured to perform
6, 16 '. The two movable cutting blades are slidably pressed against a fixed cutting blade so as to move horizontally from side to side. The cutting device is a roller 1 that moves a base fabric 20 provided with a single yarn loop 13 and a double yarn loop 14.
7 is disposed above. When the base cloth is moved by a roller in the direction of the arrow, the fixed cutting blade 15 and the movable cutting blades 16 and 16 'protrude into the single yarn loop 13, and at the same time, the movable cutting blade reciprocates in the left-right horizontal direction. When the movable cutting blade reciprocates in the left-right horizontal direction, a part of the opposite side surface of the adjacent single yarn loop is cut in accordance with the thickness of the fixed cutting blade 15, and a hook-like engagement having a wide opening as shown in FIG. The composite element 13 can be formed.

When the single yarn loop is cut by the above cutting device, if the combined yarn loop and the single yarn loop are at the same height, the movable cutting blades 16 and 16 'are cut when the movable cutting blades 16 and 16' reciprocate in the horizontal direction. When the bulge of the loop of the device is in the same position, the movable cutting blade may come into contact with the twining loop and cut the thin single yarn forming the twining loop. In particular, if a single yarn loop and a twin yarn loop are provided at a high density on the base fabric, the single yarn loop and a part of the twin yarn loop may contact or partially overlap with each other as viewed from the supply direction of the base fabric. When the blade and the movable cutting blade are inserted into the single yarn loop, the double yarn loop or a thin single yarn forming the double yarn loop by also entering a part of the thin single yarn forming the double yarn loop. The thread may be cut. In addition, when the movable cutting blade reciprocates, a part of the twine loop or a thin single yarn forming the twine loop may be cut.

In the base cloth supplied to the cutting device, it is necessary to accurately set the positions of the single yarn loop rows and the cutting blades provided on the base cloth. For this reason, as shown in FIG. 10, the guide 18 is arranged so as to cross the traveling direction of the base cloth before the cutting device.
Is installed. As shown in a perspective view in FIG. 12, the guide 18 has a groove 19 having the same width as the width of the base cloth and having a depth such that the base cloth can pass therethrough. By providing such a guide, the single yarn loop can be cut accurately.

The hook and loop mixed surface fastener thus obtained can be used for various purposes. For example, in addition to the use of conventional hook-and-loop fasteners for clothing,
Tile installation, door fixing, ceiling plate fixing, wall material fixing, tile installation, artificial turf installation and other housing and construction related, fixing of jutan, floor material installation, desk stop,
Furniture fall prevention, installation of paintings, installation of curtains, installation of shelves, etc., interior connection such as connection and fixing of partitions, fixing of floor carpet, office interior relations such as prevention of fall of OA equipment, installation of seat skin,
It can be applied to the installation of automobile interior materials, such as fixing the door trim and the instrument panel. The hook and loop mixed surface fastener can be joined to an object to be fixed by using a well-known joining means such as an adhesive bonding process, a high-frequency welder, an ultrasonic welder, heat bonding, and sewing.

Next, a hook and loop mixed surface fastener of the present invention and a method of manufacturing the same will be described with reference to experimental examples.

EXPERIMENTAL EXAMPLES 1-4 Four 2.5 cm wide base fabrics made of a polyamide resin having a fineness of 110 denier / 10 fil were prepared as warps and wefts. A single yarn of 330 denier (0.2 mm in diameter) for hook-shaped engaging element made of polyamide resin is woven on one surface of each base cloth in an arrangement as shown in FIG. mm,
A loop having a height of 3.8 mm was formed by weaving a plying yarn having a fineness of 210/10 fil for a loop-shaped engagement element made of a polyamide resin while forming a 3.6 mm loop. The density of the loops woven into the base cloth was 60 per cm 2 (the ratio of the loop for the loop-shaped engaging element to the loop for the hook-shaped engaging element was 50%). Next, the base fabric in which the loop was woven was heat-treated with superheated steam at 195 ° C. for 15 seconds. The height of the loop for the loop-shaped engagement element after the heat treatment is 3.2 mm,
The height of the loop for the hook-shaped engaging element is 1.0 mm, 1.3 mm, 3.0
mm and 3.3 mm. Next, a polyurethane resin is applied to the back surface of the base fabric to fix the loop, and then supplied to a cutting device to cut the upper portion of the loop for the hook-shaped engagement element, thereby forming four types of hook-loop mixed type surfaces. I got a zipper. Table 1 shows the results of measuring the engagement strength of each surface fastener by bringing two surface fasteners having the same structure into close contact with each other. In Experimental Example 1 and Experimental Example 4, the height of the engagement element was
The following shows comparative examples that deviate from the above.

[0036]

[Table 1]

EXPERIMENTAL EXAMPLES 5-8 On one surface of a 2.5 cm wide base cloth made of polyester resin having a fineness of 100 denier / 20 fil as warp and weft, the density of loops was 30, 45, 110 per 1 cm @ 2. ,
A single yarn of 280 denier (0.17 mm diameter) made of polyester resin for hook-shaped engaging elements and a ply yarn of 250/15 fil made of polyester resin for loop-shaped engaging elements, so that the number becomes 120 pieces. Are woven into loops of 2.5 mm and 2.8 mm in height, respectively (the ratio of the loop for the loop-shaped engaging element and the loop for the hook-shaped engaging element is 50%). Next, after applying polyurethane resin to the back of the base fabric and fixing the loop,
The base fabric in which the above loop is woven is heated with 200 ° C superheated steam for 10 minutes.
Heat treated for seconds. The height of each loop after heat treatment is 1.9
mm and 2.2 mm. Next, the base cloth was supplied to a cutting device, and the upper portion of the loop for the hook-shaped engaging element was cut to obtain four types of hook and loop mixed type surface fasteners. Table 2 shows the results of measuring the engagement strength of each surface fastener by contacting two surface fasteners having the same structure with each other. Experimental example 5
Shows a comparative example in which the loop density deviates from the present invention.

[0038]

[Table 2]

Experimental Example 9 The base cloth used in Experimental Example 1 was formed using a single yarn of 300 denier (0.21 mm in diameter) made of polypropylene resin and having a height of
Uses a 2.2 mm hook-shaped engagement element loop and a 180/48 fil fineness yarn made of polypropylene resin to achieve a height of 2.
The loops for the 2 mm loop-shaped engaging element were arranged in an arrangement as shown in FIG.
0, for hook-shaped engaging element: 30) Weaved. Next, the base fabric into which the loop is woven is immersed in steam at 110 ° C. for 20 minutes.
After heat treatment for 2 seconds, it was cooled. The height of the loop for the loop-shaped engagement element after cooling was 1.8 mm, and the height of the loop for the hook-shaped engagement element was 1.5 mm. Next, after applying a polyurethane resin to the back surface of the base fabric to fix the loop, the loop for the hook-shaped engaging element was cut to obtain a hook-and-loop mixed surface fastener. When the two surface fasteners were brought into close contact with each other and the engagement strength of each surface fastener was measured, the tensile strength was 0.67 kg / cm ↑ 2 and the peel strength was 71 g / cm.

Experimental Examples 10 to 14 The surface smoothness of the hook and loop mixed surface fastener of the present invention was measured as follows. That is, a hook-and-loop mixed surface fastener having a width of 2.5 cm and a length of 15 cm obtained in Experimental Examples 2, 3 and 4 (Experimental Examples 10, 11, and 12) and Co., Ltd.
Male surface fastener made by Kuraray: A0380 (Experimental example 13)
And a female surface fastener: B1000 (Experimental Example 14) were adhesively fixed on a flat surface, respectively. Next, width 5cm, length 15c
m, a moving body having pile fabric [Mochida Shoko Co., Ltd. E-4500] adhered and fixed on the surface of an iron plate having a weight of 70 g is placed on the surface of the hook-and-loop fastener, and then a spring scale connected to the moving body is placed. Table 3 shows the results of measuring the tensile force when the moving body started to move by pulling. Experimental Examples 12 to 14
A comparative example in which the smoothness is compared with the surface fastener of the present invention is shown.
You. As is clear from Table 3, the hook and loop mixed surface fastener of the present invention has the same surface condition (tactile sensation) as the conventional female fastener.

[0041]

[Table 3]

Experimental Examples 15 and 16 A male fastener (A8695: hook-shaped engagement) manufactured by Kuraray Co., Ltd. was used as a mating fastener of the hook / loop mixed type fastener of 2.5 cm width obtained in Experimental Example 7. Element density 40 pcs / cm ↑ 2) and Kuraray's female surface fastener (B2006: loop engagement element density 60 pcs / cm ↑ 2)
Table 4 shows the measurement results of the engagement strength when is engaged.
The tensile strength when the male and female fasteners were engaged with each other was 1.12 kg / cm ↑ 2, and the peel strength was 112 g / cm. Experimental Examples 15 and 16 are based on conventional male or female fasteners.
And the hook-up fastener of the present invention
The comparative example compared with the invention is shown.

[0043]

[Table 4]

[0044]

As described above, the hook and loop mixed surface fastener of the present invention has a hook-shaped engaging element and a loop-shaped engaging element provided on one surface of a base cloth.
Surface fasteners having the same structure can be connected to each other in close contact with each other. In addition, since the loop-shaped engaging element is set higher than the hook-shaped engaging element, the density of the engaging element provided on the base cloth can be increased, and is equal to or higher than the conventional male / female fastener. Has strong engagement. In addition, since the loop-shaped engaging element is set high, the feel of the surface is excellent, and the hook-shaped engaging element is not locked and damaged by other textiles at the time of washing. There is no adhesion.

[Brief description of the drawings]

FIG. 1 is a perspective view of a hook and loop mixed surface fastener of the present invention.

FIG. 2 is a cross-sectional view of a hook and loop mixed surface fastener of the present invention.

FIG. 3 is a cross-sectional view showing how to weave a loop on a base cloth.

FIG. 4 is a perspective view showing a state in which hook-and-loop mixed surface fasteners having the same structure are mutually engaged.

FIG. 5 is a perspective view showing a state in which a hook and loop mixed surface fastener and a male surface fastener are engaged with each other.

FIG. 6 is a perspective view showing a state in which hook-and-loop mixed surface fasteners and female surface fasteners are engaged with each other.

FIG. 7 is a cross-sectional view showing a loop for a hook-shaped engaging element and a loop for a loop-shaped engaging element woven on a base cloth.

FIG. 8 is a plan view of a hook and loop mixed surface fastener manufacturing apparatus of the present invention.

FIG. 9 is a sectional view of a hook and loop mixed type surface fastener manufacturing apparatus of the present invention.

FIG. 10 is a side view of a hook and loop mixed type surface fastener manufacturing apparatus of the present invention.

FIG. 11 is a sectional view of a hook-shaped engagement element.

FIG. 12 is a perspective view of a guide for manufacturing the hook and loop mixed surface fastener of the present invention.

[Explanation of symbols]

 1: hook and loop mixed surface fastener 2: base cloth 3: hook-shaped engaging element 4: loop-shaped engaging element 5: adhesive layer 6: protective sheet 7: male fastener 8: female fastener

Claims (3)

(57) [Claims] 1. A hook and loop mixed surface fastener in which a hook-shaped engaging element and a loop-shaped engaging element made of a single yarn of synthetic fiber having a diameter of 0.1 to 0.4 mm are provided on one surface of a base cloth. A hook-shaped engaging element having a height of 1.3 to 3.8 mm on one surface of the base cloth, and 0.2 to 2.
0mm higher, 1.5 ~ 4mm height loop-shaped engaging element 40 ~
A hook-and-loop mixed surface fastener characterized in that it is provided with a density of 120 / cm @ 2 and a ratio of the loop-shaped engaging elements of 40 to 60%. 2. A single loop of a synthetic fiber is formed in a circular loop on one surface of a base fabric, a plurality of at least one single-thread loop row is provided, and adjacent to the loop row, a synthetic fiber is formed. Forming the plying yarn into a circular loop 0.2 to 2.0 mm higher than the single yarn loop, providing at least one plying loop row,
After forming the height different of Lulu-loop sequence of alternately on one surface of the base fabric, by heat-treating the base cloth and both said loop, a single-thread root <br/> flop 1.3~3.8mm high And set the twine loop to
0.2 to 2 at the height of the 1.5~4mm, moreover than the single thread loop.
A method for manufacturing a hook and loop mixed type surface fastener, comprising setting a height of 0 mm higher and cutting the upper portion of the single yarn loop to form a hook-shaped engagement element. Wherein the single yarn of synthetic fiber on a surface of the base fabric to form a circular loop, a plurality rows of single yarn loop row of at least 1 Article, and adjacent the single yarn loop row, the synthetic forms a doubling of small synthetic fiber thermal shrinkage circle shaped loop than the fiber, provided with a doubling loop sequence of at least 1 Article, synthetic fibers on one surface of the base fabric different thermal shrinkage After alternately forming a single yarn and a twin yarn loop row comprising
And heat treatment of both loops to reduce the single yarn loop
Set the height of 3.8 mm, and the 該合thread loop at a height of 1.5 to 4 mm, yet set 0.2 to 2.0 mm higher than the single thread loop and cut the top of the whereafter the single yarn loops A method of manufacturing a hook and loop mixed surface fastener, comprising forming a hook-shaped engagement element.