JP2013129940A - Welding processing sewed product - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a welding processing sewed product in which the productivity is raised more than that of a conventional one, and strength, lightness, and storage and portability are improved.SOLUTION: The welding processing sewed product has a body that comprises an outer cloth of at least two layers structure in which a first layer consisting of at least a resin layer of 10-100 μm of a film thickness and a second layer consisting of fiber cloth are laminated, wherein the mass per unit area of the outer cloth is 10-200 g/m, the thickness is in the range of 0.05-0.50 mm, and the air permeability is at most 0.1 cc/cm/sec, and in which the outer cloth is superimposed so that the first layers of at least two may confront together, the body includes: a welding part in which the first layers confronting together of the outer cloth are welded to be one body; a seal up part surrounded by the continuous welding part; and a seam allowance part outside the welding part surrounding the seal up part, and the seal up part has an air valve integrally formed with the outer cloth in which the taking out and putting in of air can be performed.

Description

  The present invention relates to a welded sewn product having strength, lightness, storage / portability, high productivity, and adjustable cushioning and heat retaining properties.

  Conventionally, various types of clothes, accessories, and storage devices with cushioning properties and heat retention properties are commercially available in the market, and they are used as cushioning materials or heat insulating materials between at least two outer fabrics, such as batting, low-rebound polyurethane, feathers To form a main body. Although these have cushioning properties and heat retention properties, they have a problem that they are heavy due to cushioning materials or heat insulating materials, bulky when carried, and poor in storage and portability. In addition, there is a problem that adjustment is not possible when the degree of cushioning and heat retention required changes due to changes in the body condition, environmental temperature, humidity, etc. during use.

  On the other hand, in the published patent gazette, an outer layer made of non-breathable fabric and a lining are overlapped, an adhesive part is formed by an adhesive, an air chamber is provided, and an air injection valve is attached to provide a heat insulating layer by air. Applicable clothes (Patent Document 1), clothes in which a heat insulating material is confined with air in a pocket (Patent Document 2), at least two layers of water vapor permeable or “breathable” material, and porous A multi-layer composite structure (Patent Document 3) consisting of an inflatable compartment having a heat insulating material and capable of expanding or contracting the compartment to a desired volume by taking in and out air, and superposing two soft synthetic resin sheets vertically In addition, there has been proposed an airwear core material (Patent Document 4) that is provided with an air path and an air sealing port and can be expanded and contracted by taking in and out air. That.

  However, the garment in which the outer surface and the lining material of Patent Document 1 are overlapped and an adhesive portion is formed by an adhesive requires an adhesive such as a hot melt agent in addition to the outer material and the lining material. In addition, since an adhesive coating process such as screen printing is added, there is a problem in that the production efficiency is low due to an increase in the number of constituent members and processes, and the processing cost is high. In addition, there is a problem that a part with a small amount of application occurs due to a variation in the amount of application of the adhesive, and the part easily peels off and causes air to leak.

  Moreover, the clothes which enclosed the heat insulating material with the air in the pocket of patent document 2 have heat retention like the batting, low-resilience polyurethane, feathers, etc. used as a cushioning material or heat insulating material in a conventional commercial product, When carrying, the heat insulating material is bulky and heavy, and there are problems of poor storage and portability.

  Moreover, since the multilayer composite structure which consists of a 2 layer raw material of patent document 3, and the expansible compartment which has a porous heat insulating material adheres a raw material and a porous heat insulating material using an adhesive agent like patent document 1. In addition to the problem of low production efficiency and high processing costs due to an increase in the number of components and processes, it requires multiple members such as an expandable compartment with an adhesive and porous heat insulating material in addition to the materials as a component. Similar to Document 2, there is a problem that the expandable compartment having a porous heat insulating material is bulky and heavy when being carried, and the storage / portability is poor.

  In addition, the airware core material obtained by polymerizing two soft synthetic resin sheets of Patent Document 4 up and down uses a single soft resin film made of vinyl chloride or the like, so it has poor tensile strength and breaks or breaks during use. There was a problem that it was easy to do.

  As described above, none of the conventional welded and sewn products can satisfy sufficient performance in strength, lightness, storage / portability, and productivity.

JP 2005-264393 A JP 2004-60105 A Japanese Patent No. 4598526 JP 58-13705 A

  SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a welded sewn product that improves the disadvantages of the prior art, increases productivity more than ever, and improves strength, lightness, storage and portability.

  In order to achieve the above object, the welded sewn product of the present invention has the following constitution.

That is, one aspect of the welded and sewn product of the present invention is a surface material having at least a two-layer structure in which a first layer made of a resin layer having a film thickness of 10 μm to 100 μm and a second layer made of a fiber cloth are laminated. The basis weight of the surface material is 10 to 200 g / m ² , the thickness is in the range of 0.05 to 0.50 mm, and the air permeability is 0.1 cc / cm ² / sec or less, and the surface material is at least 2 A main body that is overlapped so that the first layers of sheets face each other, and the main body is surrounded by the welded portion in which the first layers of the opposite outer surfaces are welded together and the continuous welded portion. A sealing portion, and a seam portion outside the welded portion surrounding the sealing portion, and the sealing portion has an air valve formed integrally with the outer surface and capable of taking in and out air. is there.

  As the fiber cloth, a woven fabric, a knitted fabric, or a non-woven fabric made of fibers is preferable.

  In the present invention, preferably, the welded portion does not have an adhesive or an adhesive tape, and is formed by a welding process selected from high frequency welding, ultrasonic welding, or thermocompression welding.

  More preferably, the tensile strength of the outer material is 98 N or more, and the seam strength of the welded portion is 50 N or more.

  More preferably, the first layer of the outer material constituting the main body and the air valve are made of the same material, and the material is at least one selected from polyvinyl chloride, urethane, olefin and polyamide It will be.

  More preferably, the main body is used for at least a part of any use of a jacket, a coat, pants, a skirt, a hat, a glove, a bag, and a pouch.

Further, as a different configuration of the welded sewn product of the present invention, there is a garment having at least a heel, a front, a front body and a back body, and at least the heel, the front, the front body and the back body are integrated. The main body is constituted by one pattern, and the front of the pattern is connected and continuous with at least one place with the front body, and the heel is connected and continuous with at least one place with the front or the front body and constitutes the main body. The outer material is composed of an outer material having at least a two-layer structure in which a first layer made of a resin layer having a thickness of 10 μm to 100 μm and a second layer made of a fiber cloth are laminated, and the basis weight of the outer material is 10 to 200 g / m ^2, a thickness in the range of 0.05～0.50Mm, the body outer material is a first layer between of at least two is superimposed so as to face and, opposite A welded portion in which the first layers of the ground are welded together, a sealed portion surrounded by the continuous welded portion, and a seam portion outside the welded portion surrounding the sealed portion; The part is formed as a welded sewn product provided with an air valve capable of taking in and out of air formed integrally with the outer material and a garment using the same.

  The welded and sewn product of the present invention makes it possible to form a plurality of outer surfaces, which are constituent elements of the main body, without using an adhesive, and not only increase the productivity by omitting the adhesive and the adhesive application process. It is possible to omit insertion of a cushioning material or a heat insulating material into the main body, and it is possible to improve lightness, storage and portability, and to improve the strength of the outer material.

  In addition, the garment using the welded and sewn product of the present invention makes it possible to form the main body in a single pattern without separately providing the pattern of at least the heel, the front, the front, and the back. In addition to improving productivity by reducing the number, it is possible to supply air to all parts in the pattern, and it is possible to omit partial cushioning materials or heat insulating material insertion, thus reducing weight, storage and portability. And can improve the appearance.

It is a front view which shows the one aspect | mode of embodiment of this invention. It is an expanded view of the main body shown in FIG. It is sectional drawing of the main body shown in FIG. FIG. 4 is a perspective view of FIG. 3. It is a front view which shows the other aspect of the welding processed sewing product of this invention.

  Hereinafter, the welded and sewn product of the present invention will be described in detail with reference to an embodiment shown in the drawings.

  As shown in FIGS. 1 and 2, at least a main body 1 is included as an element constituting the welded product of the present invention. The main body 1 includes at least a surface material 2 and a welded portion 3 as shown in FIGS. 3 and 4. , A sealing portion 4, a seam allowance portion 5, and an air valve 6. The outer material 2 has a two-layer structure in which a first layer 2a and a second layer 2b are laminated, and the main body 1 is configured by superposing at least two outer materials 2 so that the first layers 2a face each other. .

  The welded portion 3 is formed by integrally melting and bonding the opposing first layers 2a of the material constituting the main body 1 by welding.

  The sealed portion 4 is a closed space surrounded by a continuous welded portion 3 on the outer surface 2 of the main body 1, and an air valve 6 capable of taking in and out air on the sealed portion 4 is at least a material constituting the sealed portion 4. It is integrally dissolved and bonded to one of the first layers 2a. In addition, a seam portion 5 is provided in a region adjacent to the sealing portion 4 with the welding portion 3 interposed therebetween, that is, outside the welding portion 3 surrounding the sealing portion 4.

  As one of the preferable embodiments in the present invention, the surface material 2 constituting the main body 1 has at least a two-layer structure in which at least a first layer 2a and a second layer 2b are laminated. And securing the strength by the second layer 2b are preferable because both the weldability and strength can be achieved. When the outer material 2 constituting the main body 1 has a single-layer structure, the weldability is low, but the strength is low, or conversely, the strength is high, but the weldability may be poor. .

  In the surface 2, it is not problematic to provide a different material layer between the first layer 2 a and the second layer 2 b or to provide a smooth layer on the surface of the second layer 2 b, that is, to provide a third layer.

  The first layer 2a of the outer material 2 is preferably a resin layer having a thickness of 10 μm to 100 μm because of excellent lightness, storage / portability, tensile strength, and air tightness. When the material of the 1st layer 2a is a textile fabric, a knitted fabric, or a nonwoven fabric, there exists a possibility that airtightness may be impaired by ventilation | gas_flowing between fibers. Moreover, when a film thickness exceeds 100 micrometers with a resin layer, it will become bulky and storage and a portability will worsen. Conversely, if it is less than 10 μm, processing defects such as melt fracture and voids are likely to occur during the welding process, and the tensile strength deteriorates. More preferably, it is in the range of 20 μm to 70 μm.

  The material of the first layer 2a is not particularly limited as long as it generates heat and is integrated in the welding process, but at least one selected from polyvinyl chloride, urethane resin, olefin resin, and polyamide resin. Species are preferably used. As a form of the material of the first layer 2a, a continuous resin layer, that is, a film shape, and more preferably a film-shaped material is used.

  The first layer 2a may contain various additives that are usually used for improving productivity or characteristics in the manufacturing process and processing process. For example, a heat stabilizer, an antioxidant, a light stabilizer, a smoothing agent, an antistatic agent, a plasticizer, a thickener, a pigment, a flame retardant, a high-frequency dielectric, and the like can be contained.

The material of the second layer 2b is preferably made of at least one of a woven fabric, a knitted fabric, a non-woven fabric and the like because of excellent tensile strength. More preferably, a woven fabric is preferably used from the viewpoint of mechanical properties such as tensile strength and laminateability with the first layer 2a. In general, plain weaves, twills, satin weaves and their modified weaves, multiaxial weaves, etc. are used as the structures constituting the woven fabrics. The material of the second layer 2b of the outer material 2 is preferably a polyamide homopolymer such as nylon 6,6, nylon 6, nylon 12, nylon 4,6, or a copolymer of nylon 6 and nylon 6,6, nylon 6 Polyamide fiber made of a copolymerized polyamide copolymerized with polyalkylene glycol, dicarboxylic acid, amine, etc., polyester homopolymer such as polyethylene terephthalate, polybutylene terephthalate, or isophthalic acid, 5-sodium sulfoisophthalic acid or adipine as an acid component Copolymers obtained by copolymerizing aliphatic dicarboxylic acids such as acids Polyester fiber composed of stealth, aramid fiber represented by copolymerization with paraphenylene terephthalamide and aromatic ether, rayon fiber, polysulfone fiber, ultrahigh molecular weight polyethylene fiber and sea island structure mainly composed of the above synthetic fiber Synthetic fibers composed of molecular array fibers are preferably used.

  Among these, nylon 6 · 6, nylon 6 polyamide fiber, and polyethylene terephthalate fiber are preferable, and polyamide fiber is more preferable in terms of impact resistance. Such fibers may contain various additives usually used for improving the productivity or properties in the production process and processing process of the raw yarn. For example, a heat stabilizer, antioxidant, light stabilizer, smoothing agent, antistatic agent, plasticizer, thickener, pigment, flame retardant and the like can be included.

  In addition, the main body 1 of the welded and sewn product according to the present invention preferably has at least two outer fabrics 2 and is overlapped so that the first layers 2a face each other, because it has weldability and seam strength. . The main body 1 is constituted by making the second layers 2b of the outer material 2 face each other, or the main body 1 is made by making the first layer 2a of the first outer material 2 and the second layer 2b of the second outer material 2 opposite to each other. In this case, welding at the contact point between the fibers or welding between different materials / surface shapes is inferior, so that the seam strength of the welded portion 3 is difficult to weld.

In addition, the outer surface 2 formed by laminating the first layer 2a and the second layer 2b has a basis weight of 10 to 200 g / m ² and a thickness of 0.05 to 0.50 mm. It is excellent in light weight and storage / portability when carrying. If the basis weight is 200 g / m ² or the thickness exceeds 0.50 mm, the weight feeling may increase and the lightness and storage / portability may deteriorate. Conversely, the basis weight is less than 10 g / m ² or the thickness is 0. When the thickness is less than 0.05 mm, the tensile strength is low, and breakage or rupture may easily occur during use. More preferably, the basis weight is in the range of 30 to 100 g / m ² and the thickness is in the range of 0.2 to 0.30 mm.

Further, the outer material 2 has an air permeability of 0.1 cc / cm ² / sec or less, more preferably 0 to 0.01 cc, as measured by JIS L 1096 8.26.1 A method (Fragile method). / Cm ² / sec is preferable because of having good air permeability and excellent air-tightness. This air permeability and air tightness are achieved by the resin layer coating comprising the first layer 2a of the outer material 2. In order to achieve this air permeability in the welded sewn product of the present invention, the resin layer coating is used. As described above, the thickness is preferably 10 μm to 100 μm as described above.

Further, the main body 1 has a hermetically sealed portion 4 whose outer periphery is continuously covered by the welded portion 3 and an air valve 6 formed integrally with the outer surface 2 and capable of taking in and out the air. It is preferable that both the cushioning property and the heat retaining property can be adjusted by changing the air filling amount.

The sealed portion 4 here serves as a so-called air chamber that holds air for a long time in a sealed state.

  When the main body 1 does not have the sealing part 4, air filling cannot be performed, and the cushioning property and the heat retaining property depend only on the material, and the cushioning property and the heat retaining property are inferior, and each variable and adjustment are impossible. Become.

Although it does not specifically limit as a ratio which occupies for the whole main body 1 of the sealing part 4, More preferably, it occupies the half or more of the main body 1, ie, it is the range of 50%-99%, and the heat retaining property and cushioning property of the main body 1. Excellent and suitable.
In addition, the ratio for the whole body 1 of the sealing part 4 here is calculated by the following formula.
Ratio of the sealing part 4 to the whole body 1 = area of the sealing part 4 in the main body 1 ÷ pattern area of the whole body 1 The main body 1 in the present invention includes the seam allowance part 5 and the welded part 3, It has a non-sealed region such as a pocket. In other words, the relationship of the area of the region <the area of the sealed portion 4 is preferable in terms of exhibiting functionality.

  Moreover, the sealing part 4 is good also as the area | region pinched | interposed into the outer periphery and inner periphery of the welding part 3, ie, a donut shape, for example, and is used suitably for the structure of a pocket etc., for example. In such a case, the seam allowance portion 5 can be structured to be provided on an area adjacent to the sealing portion 4 with the welding portion 3 interposed therebetween, that is, on the outer periphery and the outer periphery of the welding portion 3 surrounding the sealing portion 4. .

  The air valve 6 referred to in the present invention has a role of injecting external air into the sealing portion 4 and sealing it, and a role of degassing the air enclosed in the sealing portion 4 to the outside. That is, it fulfills two functions of taking air into and taking out air from the sealing part 4. The structure of the air valve 6 is not limited in any way as long as it plays the above-described role, such as a cylindrical tube or a valve type that opens by rotation. More preferably, the air valve 6 has a cylindrical tube nozzle shape and air flows back into the tube path. A structure with a prevention valve and a cover at the inlet on the outside air side has several types of air injection means such as blowing by exhalation or air filling by an air pump or compressor at the time of air injection, and air deaeration Since it can be done simply by removing the lid and picking the tube, it is excellent in handling.

  In the welded and sewn product of the present invention, it is necessary to assemble the main body 1 into a three-dimensional shape or attach auxiliary materials such as fasteners, strings, buttons, etc. to the main body 1 depending on the application. A sewing margin 5 is provided at a position adjacent to the sealing portion 4 as a sewing or attaching region for the sewing machine. When the seam allowance portion 5 is not provided, the sewing or attachment area is in the sealed portion 4, and the surface material 2 in the sealed portion 4 is penetrated by sewing or auxiliary material attachment, and the sealing performance may be lost.

  As one of the more preferable embodiments of the present invention, the welding process for forming the welded portion 3 is a process selected from either high frequency welding, ultrasonic welding, or thermocompression welding without using an adhesive or an adhesive tape. However, it eliminates the need for an adhesive such as a hot melt agent, and does not require an adhesive application process such as screen printing in addition to an adhesive process such as a press. It is excellent in processing cost and preferable.

  As the processing type, any of high-frequency welding, ultrasonic welding, or thermocompression welding may be used as long as the material of the first layer 2a of the outer material 2 can be melted. More preferably, the output is stable and the processing device has a fast start-up time. Welding is preferred. In the welding process by such high-frequency welding, it is possible to prepare a mold for the welded portion 3 in advance and perform a molding process using the mold.

  As one of the more preferable embodiments of the present invention, the tensile strength of the outer material 2 is 98 N or more and the seam strength of the welded portion 3 is 50 N or more. preferable.

  It is preferable that the tensile strength of the outer material 2 and the seam strength of the welded portion 3 all satisfy the above requirements regardless of the vertical and horizontal directions of the outer material 2 and the welding direction of the welded portion 3 with respect to the outer material 2 direction.

  The term “tensile strength” as used herein refers to the tensile strength obtained when the surface material 2 is first cut or broken according to the JIS L1096 A method (strip method).

  Also, the seam strength is determined according to JIS L1093 A method grab method A-1 (stitch horizontal method), treating the welded portion 3 as a stitch, and obtaining the tensile strength when the welded portion 3 is first cut or broken. It is a thing.

  If the tensile strength of the outer material 2 is less than 98 N, the outer material 2 may not withstand the tension during use and may break or break. More preferably, even if a part or all of the human body weight is applied to the outer material 2 as a tensile load, it is not easily broken, that is, a range of 294N to 980N is preferable.

When the seam strength of the welded portion 3 is less than 50 N, when the sealed portion 4 is filled with air, the welded portion 3 cannot withstand the pressure of air and may break or break.
More preferably, even when a part of the human body weight is applied to the welded portion 3 as a compression load, it is not easily broken, that is, a range of 98N to 294N is preferable.

  The welded and sewn product of the present invention is suitably used for at least a part of any of the uses of jackets, coats, pants, skirts, hats, gloves, bags, and pouches. For example, in the case of a jacket, the entire jacket may be composed of the main body 1, or only the downpack portion of the jacket may be composed of the main body 1.

  The welded sewn product of the present invention can be used as a welded sewn product shown in FIG. 1 and FIG. As the form of the garment, at least the heel 10, the front 9, the front body 7, and the back body 8, and at least the body 1 is constituted by a single pattern in which these parts are integrated. It is excellent in storage / portability and appearance. When the parts of the heel 10, the front 9, the front body 7 and the back body 8 are each constituted by a single pattern, it takes time and effort to produce the pattern and parts for each part, and the parts are not only inferior in productivity. Since each is independently manufactured, it is necessary to provide the sealed chamber and the air valve 6 with each part, and the convenience is poor, such as supplying air from each air valve 6 at the time of use. Further, when the eaves 10 and the upright 9 are configured in a single pattern and a cushion material or a heat insulating material is inserted instead of providing the sealed chamber and the air valve 6, the cushion material or the heat insulating material is bulky and lightweight. In addition, it is inferior in storage / portability.

  As a method of developing the heel 10, the front 9, the front body 7, and the back body 8 in an integrated pattern, the front 9 is connected to the front body 7 at at least one location and the heel 10 is the front 9 or the front. It is connected to the stage 7 at least at one place, and a path for efficiently supplying air from the heel 10 to the front 9 to the front body 7 is secured, which is not only excellent in convenience but also in appearance. Can be obtained.

  Further, when a garment is formed using the welded and sewn product of the present invention, the front body 7 and the back body 8 are large areas, so the welded portion 3 is formed in a quilted shape to prevent air bias. It is preferable that the front body 7 and the back body 8 provided with the welded portion 3 in a quilted shape are suppressed in expansion for each welded portion 3 and easily corrugated when air is supplied to the sealed portion 4. Is configured so that the front 9 and the front body 7 are connected to each other at at least one location, and a continuous gap is provided between the two so that the wavyness of the front 9 is not generated and the wavy portion is not assembled. It becomes possible to finish the appearance of clothes well.

  As a method for forming such clothing, after cutting at least two surface materials 2 in the shape of the pattern, at least two surface materials 2 are overlapped so that the first layers 2a face each other, and the above-described method is used. Thus, the main body 1 can be configured by providing the welding portion 3, the sealing portion 4, the seam allowance portion 5, and the air valve 6. In the assembly process to the garment, the corresponding seam 5 of the front 9 and front 7, the seam 5 of the front 7 and back 8, and the seam 5 of the heel 10 and front 7 and back 8 The main body 1 can be finished into a garment by joining them together by sewing, welding, or bonding. There is no problem in attaching auxiliary materials and parts according to the design and required functions, such as attaching the fastener to the front 9 and attaching the pocket to the front body 7.

  EXAMPLES Hereinafter, although an Example is given and this invention is demonstrated more concretely, this invention is not limited to these.

A monitor evaluation was conducted by 10 subjects on the storage / portability, lightness and durability of the welded sewn products used in the examples and comparative examples. The evaluation criteria are shown in Table 1. The total score of the evaluation scores of all the subjects was taken as each evaluation result, and the total score of each evaluation result was taken as the overall evaluation. The larger the overall evaluation, the better, but a score of 15 or more was considered good.
(Measurement)
[Tensile strength]
The surface material 2 was pulled according to JIS L1096 A method (strip method), and the tensile strength when first cut or fractured was determined in each of the vertical direction and the horizontal direction, and the values in the direction where the tensile strength was low were obtained.
[Strong seam]
In accordance with JIS L1093 Method A Grab Method A-1 (Seam Horizontal Method), the welded portion 3 is treated as a stitch, and the welded portion 3 is pulled in the vertical direction and the horizontal direction of the material. The seam strength when first cut or broken was determined, and the value in the direction of lower strength was the result.
[Unit weight]
Based on JISL1096 (general textile test method), the weight per surface area 2 of 20 cm × 20 cm was converted into the weight per 1 m ² .
[thickness]
Based on the JISL1096 A method, the thickness of the normal fabric under pressure conditions was measured. In addition, the measurement calculated | required the average value, setting N number as 3, respectively.
[Breathability]
Based on JIS L 1096 8.26.1 A method (Fragile method), the number of samples N was set to 5, and the average value was obtained. In addition, when the numerical value was less than 0.1, the result was set to 0.
(Evaluation)
[Storage and portability]
Storage and portability when the main body 1 was folded as much as possible, that is, ease of carrying was evaluated in four stages. The welded and sewn product of the present invention is superior in storage and portability as the evaluation score is higher. The total evaluation score of 10 monitor evaluators was taken as the evaluation result, and the case where the total evaluation score was 5 or more was considered good. The evaluation criteria are shown in Table 1.
[Lightweight feeling]
The lightweight feeling when the main body 1 was gripped or mounted was evaluated in four stages. The welded and sewn product of the present invention is superior in lightness as the evaluation score is higher. The total evaluation score of 10 monitor evaluators was taken as the evaluation result, and the case where the total evaluation score was 5 or more was considered good. The evaluation criteria are shown in Table 1.
[Strength durability]
The strength durability of the outer material 2 and the welded portion 3 when the body 1 was repeatedly used by adding weight was evaluated in four stages. The welded and sewn product of the present invention is more excellent in strength durability as the evaluation score is higher. The total evaluation score of 10 monitor evaluators was taken as the evaluation result, and the case where the total evaluation score was 5 or more was considered good. The evaluation criteria are shown in Table 1.

[Example 1]
1 to 5, using 33 dtex-20f (filament) nylon crimped filament yarn for warp yarn and 52 dtex-30f nylon crimped filament yarn for warp yarn, A taffeta fabric finished to a density of 149 yarns / 2.54 cm and a weft yarn density of 115 yarns / 2.54 cm was finished, and this was used as the second layer 2 b of the outer material 2.

Next, using a PVC (polyvinyl chloride) film having a thickness of 50 μm, this was used as the first layer 2a of the surface material 2, and the second layer 2b and the first layer 2a were bonded together by a laminator device to obtain the surface material 2.
The weight of the surface material 2 obtained was 100 g / m ² , the thickness was 0.2 mm, the tensile strength was 300 N, the seam strength was 150 N, and the air permeability was 0 cc / cm ² / sec.

Next, the air valve 6 is produced using the same PVC material as the first layer 2a of the outer material 2, and one place on the outer material 2 is cut open to a size equal to or smaller than the diameter of the air valve 6, and then the air valve 6 is opened. The air valve 6 is inserted into the opening so that the lower end of the outer surface 6 and the first layer 2a of the outer surface 2 are opposed to each other, and the lower end of the air valve 6 and the first layer 2a of the outer surface 2 are welded by a high frequency welder. 6 was fixed.
Next, the two surface materials 2 are superposed so that the first layer 2a faces each other, and a mold molded according to the shape of the welded portion 3 by a high-frequency welding machine is heated to 100 ° C., and the output is 7 kW, The welding part 3 and the sealed part 4 surrounded by the welding part 3 and the welding are pressed by pressing the mold against the outer surface 2 under the processing conditions of current 1.3A, pressure / air pressure 392 kPa, welding time 5 seconds and cooling time 2 seconds. The seam allowance part 5 adjacent to the part 3 was produced.

Here, as shown in FIG. 2, the mold pattern is a single pattern in which the heel 10, the front 9, the front body 7, and the back body 8 are integrated. The ends of the heel 10 were connected to the upper end portions of the left and right uprights 9 so as to be continuous, and the front stand 9 was connected to the lower ends of the right front body 7 and the left front body 7 so as to be continuous.
Next, the sewing margin portions 5 of the front body 7 and the front body 7, the seam margin portions 5 of the front body 7 and the back body 8, the heel 10, the front body 7, and the seam allowance portions 5 of the back body 8 are sewn by sewing. The main body 1 having the best garment shape was obtained by sewing and joining together and attaching and assembling a fastener to the seam portion 5 in the longitudinal direction of the upright 9.
Storage, portability, lightness, and durability of the obtained welded sewn product were evaluated according to the evaluation criteria shown in Table 1.
The seam strength of the welded portion 3 was 150N. Table 2 shows each numerical value and evaluation results.
[Example 2]
The welded and sewn products shown in FIGS. 4 to 6, that is, warp yarn and weft yarn are both 33 dtex and 10 f (filament) polyester filaments, and the density is 160 / 2.54 cm, 152 / 2.54 cm. After weaving the fabric, the raw machine was relaxed and scoured, circular dyed at 130 ° C., dried and calendered at 180 ° / 60 ° C., and this was used as the second layer 2b of the outer material 2.
Next, a coating solution comprising 100 parts by weight of a polyether-based polyurethane solution having hot-melt adhesive property and 40 parts by weight of N, N-dimethylformamide is applied to the release paper so as to have a film thickness of 10 μm. Then, a resin film layer having hot melt adhesiveness, that is, the first layer 2a of the outer material 2 was obtained on the release paper. The first layer 2a on the release paper was thermocompression-laminated at 120 ° C. on one surface of the second layer 2b of the surface material 2, and the surface paper 2 was formed by peeling the release paper.
The weight of the obtained surface material 2 was 50 g / m ² , the thickness was 0.1 mm, the tensile strength was 200 N, the seam strength was 60 N, and the air permeability was 0.1 cc / cm ² / sec.

Subsequently, the leg warmer-shaped main body 1 was obtained through the process similar to Example 1 except having produced the air valve 6 using the same polyurethane raw material as the 1st layer 2a of the surface material 2. FIG.
Storage, portability, lightness, and durability of the obtained welded sewn product were evaluated according to the evaluation criteria shown in Table 1.
The seam strength of the welded portion 3 was 60N. Table 2 shows each numerical value and evaluation results.
[Comparative Example 1]
In Example 1, the second layer 2b of the outer material 2 is not provided, and the outer material 2 is configured only by the first layer 2a, and the other configurations are the same as in the first example. The strength durability was evaluated according to the evaluation criteria shown in Table 1.
The obtained surface material 2 has a basis weight of 30 g / m ² , a thickness of 0.08 mm, an air permeability of 0 cc / cm ² / sec, a tensile strength of 20 N, and a seam strength of the welded portion 3 of 10 N. It was. Table 2 shows each numerical value and evaluation results.
[Comparative Example 2]
The second layer 2b of the outer fabric 2 is a tengu knitted fabric using 90 count (63 dtex) wool spun yarn and finished to a course density of 72 / 2.54 cm and a wale density of 72 / 2.54 cm, and has a mesh hole with a thickness of 150 μm and φ1 mm This is used as the first layer 2a of the outer surface 2 using the mesh-like polyurethane film, and the second layer 2b and the first layer 2a are bonded together by a laminator device to obtain the outer surface 2, and the welding portion 3 is overlapped. Storage, portability, lightness, and strength of welded and sewn products as in Example 1 except that a double-sided adhesive tape was inserted between the opposing first layers 2a of the outer material 2 and adhesive processing was performed by hot pressing. Durability was evaluated according to the evaluation criteria shown in Table 1.
In addition, the basis weight of the obtained surface material 2 is 300 g / m ² , the thickness is 0.80 mm, the air permeability is 0.8 cc / cm ² / sec, the tensile strength is 150 N, and the seam strength of the welded portion 3 is 180 N. Met. Table 2 shows each numerical value and evaluation results.

As is apparent from Table 2, the welded sewn product of the present invention comprises a first layer 2a of the outer material 2 having a resin layer in the range of 10 μm to 100 μm and a second layer 2b of a fiber knitted or non-woven fabric, g / ^{m 2} of the scope 2 of basis weight of 10 to 200 g / ^{m 2,} the range of thickness of 0.05～0.50Mm, and the extent breathable following 0.1 cc ^/ cm 2 / sec It became a welded sewing product with excellent storage, portability and light weight.
Further, a welded and sewn product having strength and durability is obtained when the tensile strength of the outer material 2 is 98 N or more and the seam strength of the welded portion 3 is 50 N or more. The welding process of the main body 1 is performed by using an adhesive or an adhesive tape. By using a process without intervening, it became a welded sewing product with excellent productivity.
In other words, the welded and sewn product of the present invention has a higher evaluation as it satisfies more elements of the invention. The results are shown in Table 2.

  The present invention is used for clothes, accessories, storage devices, etc. that are provided with cushioning properties and heat retention properties, and can be adjusted in cushioning properties and heat retention properties, and can be welded and sewn with excellent storage, portability, lightness, and durability. It can be used as a product.

1: Main body 2: Outer fabric 2
2a: 1st layer 2b: 2nd layer 3: Welding part 4: Sealing part 5: Seam part 6: Air valve 7: Front body 8: Rear body 9: Standing body 10: Spear

Claims (6)

At least a first layer composed of a resin layer having a film thickness of 10 μm to 100 μm and a surface layer of at least a two-layer structure in which a second layer composed of a fiber cloth is laminated, and the basis weight of the surface layer is 10 to 200 g / m ² , The thickness is in the range of 0.05 to 0.50 mm, the air permeability is 0.1 cc / cm ² / sec or less, and the outer layers are overlapped so that the first layers composed of at least two sheets face each other. The main body has a welded portion in which the first layers of opposing outer surfaces are welded together, a sealed portion surrounded by the continuous welded portion, and a welded portion surrounding the sealed portion. A welded and sewn product having a seam allowance portion on the outer side and the airtight portion having an air valve formed integrally with a surface and capable of taking in and out air.   2. The welding according to claim 1, wherein the welding portion is formed by a welding process selected from either high frequency welding, ultrasonic welding, or thermocompression welding without using an adhesive or an adhesive tape. Processing sewing products.   The welded and sewn product according to claim 1 or 2, wherein the tensile strength of the outer material is 98N or more and the seam strength of the welded portion is 50N or more.   The first layer of the outer material constituting the main body and the air valve are made of the same material, and the material is made of at least one selected from polyvinyl chloride, urethane, olefin and polyamide. The welded and sewn product according to any one of claims 1 to 3.   The welding process sewing according to any one of claims 1 to 4, wherein the main body is used for at least a part of any of a jacket, a coat, pants, a skirt, a hat, a glove, a bag, and a pouch. Goods. A garment having at least a heel, a front, a front body and a back body, wherein the main body is constituted by a single pattern including at least the heel, the front, the front body and the back body, and the front of the pattern Is connected to and continuous with at least one place from the front body, and the heel is connected and continuous from at least one place with the front body or the front body, and the outer surface constituting the main body is made of a resin layer having a film thickness of at least 10 μm to 100 μm The outer layer has a surface layer of at least a two-layer structure in which a first layer and a second layer made of fiber cloth are laminated, and the surface area of the surface layer is 10 to 200 g / m ² and the thickness is 0.05 to 0.50 mm. The main body is overlapped so that the first layers of at least two outer surfaces are opposed to each other, and the first layers of the opposite outer surfaces are welded to be integrated with each other; , It has a sealed part surrounded by the welded part that continues and a seam part on the outside of the welded part that surrounds the sealed part, and the sealed part is formed integrally with the outer surface and allows air to be taken in and out. A garment characterized by having an air valve.

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