JP2005281927A - Corrective core material for lady's clothing and method for producing the same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To obtain a corrective core material for lady's clothing having excellent corrective function of the breast, capable of going along with the motion of the body of a wearer without giving the wearer uncomfortable feeling or pain, free from transforming even by repeated washing and breaking even applying large transformation, and solving inconvenience of responding to an inspection meter or a metal detector at an airport. <P>SOLUTION: This corrective core material for lady's clothing is obtained by forming a string body obtained by braiding a plurality of multifilaments comprising a high molecular weight polymer. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  TECHNICAL FIELD The present invention relates to a correction core material that is attached to a female garment having a bust cup portion such as a brassiere or a body suit, and for beautifully adjusting the shape of a breast, and a method for manufacturing the same.

In women's clothing with bust cups such as brassieres and body suits, an arc-shaped correction core material may be attached along the lower edge of the cup to make the shape of the breast beautiful. Many.
Such a core material for correction is required to fully exhibit the correction function, and at the same time, it is necessary to be able to withstand deformation caused by the movement of the wearer's body. Large rigidity is required.
Therefore, conventionally, a metal wire made of steel, a shape memory alloy or the like has been generally used as a material for the core material for correction.

However, although the core material for compensation made of metal wire is relatively excellent in the compensation function, it may give a sense of incongruity and pain to a wearer such as a brassiere wearing this, especially worn for a long time. This tendency was conspicuous when the wearer moved with a twist of the body.
In addition, underwear such as brassiere is repeatedly washed on a daily basis, but there is a drawback that the core material for compensation made of a metal wire is easily distorted by repeated washing.
Furthermore, the garment on which the core material for correction made of a metal wire is attached has a disadvantage that it reacts to a meter-reading device used for inspecting a mixed metal of a sewn product or a metal detector in an airport.

As a technique created in view of such problems, there is a disclosed technique described in Patent Document 1.
The disclosed technique of Patent Document 1 relates to a compensation core material including a core portion made of a fiber reinforced resin such as glass fiber and a heat-shrinkable resin tube such as a polyvinyl chloride resin covering the outer periphery thereof.

Japanese Utility Model Publication No.5-222507

  According to the technique disclosed in Patent Document 1, although the problems of the compensation core material made of the metal wire can be solved to some extent, the fiber reinforced resin in the core portion is poor in flexibility. There has been a problem that it easily breaks when deformed.

  The present invention has been made in order to solve the above-mentioned problems of the prior art, and is excellent in breast correction function, and can follow the movement of the wearer's body so that the wearer feels uncomfortable and painful. Women's clothing that can be applied without being deformed by repeated washing, will not break even if large deformations are applied, and eliminates the inconvenience of reacting to meter reading devices and airport metal detectors It is intended to provide a core material and a manufacturing method thereof.

The invention according to claim 1 is a correction core material disposed along the lower edge of the bust cup portion of the female clothing, and is obtained by stringing a plurality of multifilaments made of a polymer. It is related with the core material for the correction | amendment of the clothing for women characterized by shape | molding the formed string body.
The invention according to claim 2 is characterized in that the multifilament is formed of a plurality of core-sheath monofilaments having a core part and a sheath part and having a melting point of the core part higher than that of the sheath part. It is related with the core material for compensation of the clothing for women of Claim 1.
The invention according to claim 3 relates to a core material for compensating a female garment according to claim 2, wherein the core and the sheath are made of a polyester polymer.
The invention according to claim 4 relates to the core material for compensating a female garment according to any one of claims 1 to 3, wherein carbon fibers and / or PET fibers are knitted into the string body.

The invention according to claim 5 is a method of manufacturing a correction core material arranged along the lower edge of the bust cup portion of the female clothing, and a plurality of multifilaments made of thermoplastic resin are stringed. It is related with the manufacturing method of the core material for the correction | amendment of the clothing for women characterized by heat-pressing the string obtained by shape | molding in a predetermined shape.
The invention according to claim 6 is characterized in that the multifilament is formed of a plurality of core-sheath monofilaments having a core part and a sheath part and having a melting point of the core part higher than that of the sheath part. 6. The method according to claim 5, wherein the body is heated and pressurized at a temperature lower than the melting point of the core part and higher than the melting point of the sheath part.
The invention according to claim 7 is the core material for correcting a female garment according to claim 5 or 6, characterized in that carbon fibers and / or PET fibers are knitted together when the multifilament is stringed. It relates to a manufacturing method.

According to the first aspect of the present invention, since the core material for correction is formed by forming a string obtained by stringing a plurality of multifilaments made of a polymer, it has relatively high rigidity and excellent In addition to being able to demonstrate excellent breast correction, it can follow the movements of the wearer's body and feel uncomfortable and painful to the wearer like a conventional metal core. In addition, it exhibits high resilience and does not deform due to repeated washing, does not cause inconvenience in reacting to a meter reading device or airport metal detector, and further, like a core material using fiber reinforced resin It is extremely suitable as a core material for female clothing that does not break even if a large deformation is applied.
According to the invention of claim 2, the multifilament is formed of a plurality of core-sheath monofilaments having a core part and a sheath part and having a melting point of the core part higher than that of the sheath part. In addition to being excellent in moldability, it can have high bending strength.
According to the invention which concerns on Claim 3, since the said core part and a sheath part consist of a polyester-type polymer, the core material for female clothing which has moderate rigidity and flexibility can be obtained.
According to the invention which concerns on Claim 4, the intensity | strength of the core material for correction can be improved more.

According to the invention according to claim 5, since it is a method of heating and pressing a string body obtained by stringing a plurality of multifilaments made of a thermoplastic resin into a predetermined shape, relatively high rigidity and Combined with excellent flexibility, exhibits excellent breast remediation function, can follow the movement of the wearer's body, does not give the wearer a sense of incongruity or pain, and exhibits high resilience and repeated washing Therefore, it is possible to easily manufacture a core material for female clothing that does not break and does not break even if large deformation is applied.
According to the invention according to claim 6, the multifilament is formed of a plurality of core-sheath monofilaments having a core part and a sheath part, and the melting point of the core part is higher than the melting point of the sheath part, Since the string body is heated and pressurized at a temperature lower than the melting point of the core and equal to or higher than the melting point of the sheath, the desired shape can be easily obtained without melting the sheath by melting the sheath without melting the core. It becomes possible to mold into.
According to the invention which concerns on Claim 7, the core material for correction with higher intensity | strength can be obtained.

DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, preferred embodiments of a core material for female clothing and a method for producing the same according to the invention will be described with reference to the drawings.
FIG. 1 is a view showing a compensation core material according to the present invention, wherein (a) is a front view, and (b) to (d) are cross-sectional views taken along line AA.
A correction core material (1) according to the present invention is a correction core material disposed along the lower edge of a bust cup portion of a female clothing such as a brassiere, a body suit, a brass slip, a leotard, and a corset. As shown in (a), it has a shape curved in a substantially arc shape when viewed from the front, and both end portions thereof are formed in a spherical shape.
Further, the cross-sectional shape is preferably a shape in which the thickness gradually decreases from the outer side toward the inner side (the side along the bust), specifically, a substantially trapezoidal shape as shown in (b), (c) A shape such as a substantially triangular shape as shown in FIG. However, other cross-sectional shapes such as a circle, a rectangle, and a square are also possible. Moreover, you may form so that thickness may become thin gradually toward the both ends from the center of a length direction.

The compensation core material (1) according to the present invention is formed by molding a string obtained by stringing a plurality of multifilaments made of a polymer.
FIG. 2 is a schematic perspective view showing an enlarged structure of a multifilament used in the present invention.
As shown in the drawing, the multifilament (2) used in the present invention is formed by combining a large number of monofilaments (3) into a thread shape.

Each monofilament (3) is comprised from the core part (3a) located in the center, and the sheath part (3b) which coat | covers the circumference | surroundings.
As the cross-sectional structure of each monofilament (3), a two-layer structure in which a core part (3a) and a sheath part (3b) as shown in the figure are concentric is generally used. It is also possible to use a rectangular or star cross-sectional shape or a sheath (3b) formed in two or more layers.

The material of the core part (3a) is polyethylene terephthalate or a polyester polymer mainly composed of polyethylene terephthalate, and the polyester polymer having a high melting point (for example, 250 ° C.) is used.
However, other components, additives, and the like may be copolymerized as long as the melting point is maintained at 240 ° C. or higher. Examples of the additive include pigments, flame retardants, ultraviolet absorbers, antistatic agents, heat-resistant agents and the like.

For the material of the sheath part (3b), a polymer having a lower melting point (for example, 160 ° C.) than that of the material of the core part (3a) is used. As the polymer, the material of the core part (3a) is used. Those having adhesiveness to each other are preferably used.
Specific examples include thermoplastic resins such as polyester copolymers, polyolefin polymers, acrylic polymers, and the like, but polyester copolymers are most preferably used.

The polyester copolymer used for the sheath (3b) is a polyester copolymer obtained by reacting one or more dibasic acids or derivatives thereof with one or more glycols. A polymer is mentioned.
Examples of dibasic acids include terephthalic acid, isophthalic acid, phthalic acid, p-oxybenzoic acid, 5-sodium sulfoisophthalic acid, naphthalenedicarboxylic acid and other aromatic dibasic acids, oxalic acid, adipic acid, sebacic acid, Examples include aliphatic dibasic acids such as azelaic acid and dodecanedicarboxylic acid, and alicyclic dibasic acids such as 1,2-cyclobutanedicarboxylic acid.
On the other hand, examples of glycols include ethylene glycol, diethylene glycol, triethylene glycol, propanediol, butanediol, pentanediol, hexanediol, neopentanediol, p-xylene glycol and the like, polyethylene glycol, polytetramethylene glycol and the like. Examples include alkylene glycols.

Further, the polyester copolymer used for the sheath (3b) is more preferably a copolymerized polyester having a crystal melting point of 100 ° C. or higher obtained by copolymerizing an aromatic polyester and an aliphatic lactone.
In this case, the aromatic polyester may be a polymer of ethylene terephthalate units and / or butylene terephthalate units, or further, isophthalic acid, 2,6-naphthalenedicarboxylic acid, adipic acid, sebacic acid, ethylene glycol, 1,6- Examples include those obtained by copolymerizing hexanediol and the like, and the total of the components to be copolymerized is preferably about 20 mol% or less relative to the number of moles of the constituent components of the polyester.
As the aliphatic lactone, a lactone having 4 to 11 carbon atoms may be used alone, or two or more kinds thereof may be mixed and used. Particularly preferable lactones include ε-caprolactone and δ-valerolactone.
In the case of ε-caprolactone, the copolymerization ratio of the aliphatic lactone is preferably about 3 mol% or more and less than 80 mol%. If the ε-caprolactone unit is less than 3 mol%, the adhesive strength is insufficient and sufficient strength cannot be obtained after heat treatment. When the ε-caprolactone unit exceeds 80 mol%, the melting point of the resulting polyester is too low, which causes a problem in the processing step, and is liable to be deformed when used in a high temperature atmosphere.

  The crystal melting point of the material forming the sheath (3b) is 100 ° C. or higher, preferably 130 ° C. or higher. When the crystal melting point is less than 100 ° C., it is not preferred because it tends to be deformed when used in a high temperature atmosphere. The upper limit of the crystal melting point is preferably 20 ° C. or more lower than the melting point or decomposition point of the main fiber.

In the present invention, the weight ratio of the core (3a) and the sheath (3b) of the monofilament (3) is preferably 50/50 to 90/10.
This is because when the weight ratio of the core part (3a) is less than 50%, the tensile strength decreases, and when it exceeds 90%, the filaments cannot be firmly bonded to each other when the sheath part (3b) is melted. This is because in any case, sufficient strength cannot be obtained.

The monofilament fineness is 3.3 to 17 dtex.
If the monofilament fineness is 3.3 dtex or less, problems such as difficulty in weaving and insufficient strength occur, and if it exceeds 17 dtex, the adhesion between the monofilaments becomes insufficient and there is a problem in abrasion resistance. This is because it is not preferable in either case.

The multifilament (2) used in the present invention can be obtained by twisting 40 or more monofilaments (3) having the above-mentioned configuration, preferably 40-50 monofilaments (3) are twisted. After obtaining the yarn, it can be obtained by twisting 6 or more of these yarns.
The yarn has a strength of 3.53 cN / dtex or more and an elastic modulus of 60 cN / dtex or more so that the core material after molding exhibits a sufficient strength.

The compensation core material (1) according to the present invention is formed by molding a string obtained by stringing a plurality of multifilaments (2) having the above-described configuration.
As a string used in the present invention, a string (first string) obtained by stringing a plurality of (for example, about 6 to 10) multifilaments (2) may be used as it is. More preferably, a string (second string) obtained by further stringing a plurality (for example, about 2 to 4) of the obtained string (first string) is used.
Examples of the form of the first and second string bodies include a knitted string, a striking string, a braided string, and a twisted string. Among them, a knitted string is preferable.
In the present invention, it is also possible to employ a configuration in which carbon fibers and / or PET fibers are knitted together when the first string body and / or the second string body is manufactured. According to such a configuration, the strength can be further improved.

As a specific example of the configuration of the correction core material (1) according to the present invention, six yarns obtained by twisting 48 monofilaments (2) are twisted and multifilament (2). To obtain eight strings of the multifilament (2) to obtain a string body (first string body), and three strings of the first string body are finally stringed to form one string body. A configuration for obtaining (second string) can be exemplified.
In this case, the total number of monofilaments constituting the final string body (second string body) is 48 × 6 × 8 × 3 = 6912, and the yarn obtained by twisting 48 monofilaments (2). When the strip is 500d (1d means 9000m and 1g), the string (second string) is 500d × 6 × 8 × 3 = 72000d.

The core material for correction (1) according to the present invention is formed of a string body (first string body or second string body) obtained by stringing a plurality of multifilaments (2) as described above. It is formed by.
For the molding, a mold having a groove-shaped concave portion that forms the desired shape of the core material for correction (1) is used, and the string body is disposed in the concave portion of the mold, and the core portion (3a) It is carried out by applying pressure while heating the string at a temperature lower than the melting point of the sheath portion (3b) and higher than the melting point of the sheath portion (3b) (for example, more than 160 ° C and less than 250 ° C).
Specific conditions for the heat and pressure treatment include, for example, the conditions of heating temperature: 170 ° C., heating time: 1 to 2 minutes, and applied pressure: 500 kgf. These conditions include the multifilament (2). It can be appropriately changed depending on the material used for the material, the desired strength, and the like.
In the heat and pressure treatment, only the temperature in the vicinity of both ends of the groove-shaped recess of the mold may be set to a temperature equal to or higher than the melting point of the core (3a). In this case, both ends of the string body are smoother. By being formed into a spherical surface, it is possible to obtain an effect that the garment is less likely to be worn or torn due to contact with the spherical surface portion when used by being attached to the garment.

By the heat and pressure treatment as described above, the sheath portion (3b) of the multifilament (2) constituting the string body is melted, whereby the string body is formed into a desired core material for compensation (1) in the concave portion of the mold. Therefore, after the mold is cooled, the molded product is taken out from the mold, and the compensation core material (1) as shown in FIG. 1 can be obtained.
In addition, the flowchart which put together the manufacturing process of the core material for correction (1) based on this invention demonstrated above is shown in FIG.
The core material for correction (1) obtained in this way has an increased strength because the sheath (3a) is firmly integrated with the core (3a) by melting in the heat and pressure treatment, and the core Since the part (3a) is not melted, the obtained core material for correction (1) contains the high-strength core part (3a) substantially uniformly over the entire length, and the overall strength is extremely excellent. Demonstrated.

FIGS. 4 to 6 are diagrams showing an example of a female garment to which the correction core material (1) according to the present invention is attached. FIG. 4 shows a bra, FIG. 5 shows a brass slip, and FIG. 6 shows a body suit. .
As shown in the figure, the core material for correction (1) according to the present invention is disposed along the lower edge of the bust cup portion (4) of the clothing for women, thereby exhibiting an excellent breast correction function. it can.
Moreover, although not shown in figure, the core material for correction (1) which concerns on this invention is along the lower edge of the bust cup part of the garment for women which has other bust cup parts, such as three-in-one, a leotard, a swimsuit, and a corset. It can also be arranged.

Test example

Hereinafter, the effect of this invention is clarified by showing the test example about the core material for compensation which concerns on this invention. However, the present invention is not limited by the following test examples.
1. Sample creation (example sample)
As a string, 48 monofilaments (core material quality: high-viscosity polyester, sheath material quality: low-melting crystalline polyester) are twisted to obtain a yarn, and 6 yarns are twisted to obtain a multifilament. To obtain a string body (first string body) which is made by stringing the eight multifilaments to form a knitted string, and a string body (first string) which is made by stringing the three first string bodies. Using a two-string body), this string body is placed in a concave portion of a mold in which a groove-shaped concave portion is formed, and is heated and pressurized under the conditions of temperature: 200 ° C., time: 3 minutes, pressure: 500 kgf, 7A and 7B were obtained and used as samples of the examples.
(Comparative example sample)
A steel compensation core material having the dimensions shown in FIGS. 7A and 7C was used as a sample for comparison.
7B and 7C are cross-sectional views taken along line AA of FIG.

表１に示すように、実施例のサンプルは比較例のサンプルよりも優れた可撓性を有していた。 2. Test Method and Test Results (1) Flexibility Test As shown in FIG. 8, a pressing force (128 gf) in the direction indicated by the arrow (inward direction) is applied to one end of the sample of Example and Comparative Example, The deformation amount (d) (mm) of the one end at this time was measured. The results are shown in Table 1.

As shown in Table 1, the sample of the example had more flexibility than the sample of the comparative example.

表２に示すように、比較例のサンプルでは洗濯後に大きな変形が認められたが、実施例のサンプルでは洗濯後の変形量は非常に小さかった。 (2) Washing resistance test The samples of the examples and comparative examples were respectively attached to the lower edge of the brassiere, and each brassiere was placed in a washing machine and washed 5 times in total for 30 minutes, and then the sample from the brassiere. Was taken out and the amount of deformation was measured. The amount of deformation was measured by measuring the gap (mm) with the plane body at four points A, B, C, and D shown in FIG. 9 while the sample was placed on the plane body. The results are shown in Table 2. In addition, although washing was repeated after the 5th time, since the big change was not seen, the test was complete | finished in the 8th time.

As shown in Table 2, large deformation was observed after washing in the comparative sample, but the deformation after washing was very small in the sample of the example.

表３に示すように、実施例のサンプルは、５０万回の繰り返し変形を与えた後においても、撓み変形量に殆ど変化はみられず、優れた可撓性を維持していた。 (3) Durability test With respect to the sample of the example, as shown in FIG. 10, one end is displaced in the left-right direction (right direction: 12 mm, left direction: 9 mm), and this is repeated 500,000 times. As shown, the deformation (d) (mm) of the one end when a pressing force (128 gf) in the direction indicated by the arrow was applied to the one end was measured and compared with the deformation before the test. The results are shown in Table 3.

As shown in Table 3, the sample of the example maintained excellent flexibility with almost no change in the amount of bending deformation even after repeated deformation of 500,000 times.

  From the test results of the above (1) to (3), the sample of the example, that is, the correction core material according to the present invention has high performance in any of flexibility, washing resistance and durability, and the brassiere. It has been confirmed that it is extremely excellent as a core material for correction to be worn on women's clothing.

  The core material for correction according to the present invention is disposed along the lower edge of a bust cup portion of a female garment such as a brassiere, a body suit, a brass lip, a leotard, and a corset in order to beautifully shape the shape of the breast of a woman. The

It is a figure which shows the core material for correction which concerns on this invention, Comprising: (a) is a front view, (b)-(d) is AA sectional view taken on the line. It is a schematic perspective view which expands and shows the structure of the multifilament used in this invention. It is a flowchart which shows the manufacturing process of the core material for compensation which concerns on this invention. It is a figure which shows the brassiere with which the core material for correction which concerns on this invention was mounted | worn. It is a figure which shows the brass slip with which the core material for correction which concerns on this invention was mounted | worn. It is a figure which shows the body suit with which the core material for correction which concerns on this invention was mounted | worn. It is a figure which shows the dimension shape of the sample of an Example and a comparative example. It is a figure which shows the method of a flexibility test and a durability test. It is a figure which shows the measurement position of a wash resistance test. It is a figure which shows the method of a durability test.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Core material for correction 2 Multifilament 3 Monofilament 3a Core part 3b Sheath part

Claims (7)

  A core material for correction arranged along the lower edge of the bust cup portion of the clothing for women, and forming a string obtained by stringing a plurality of multifilaments made of a polymer. A core material for correcting clothing for women.   2. The woman according to claim 1, wherein the multifilament is formed of a plurality of core-sheath monofilaments having a core part and a sheath part and having a melting point of the core part higher than that of the sheath part. Core material for clothing.   The core material for correcting clothing for women according to claim 2, wherein the core portion and the sheath portion are made of a polyester polymer.   The core material for female clothing according to any one of claims 1 to 3, wherein carbon fibers and / or PET fibers are knitted into the string.   A method of manufacturing a core material for correction arranged along the lower edge of a bust cup portion of a female clothing, and heating a string obtained by stringing a plurality of multifilaments made of thermoplastic resin A method for producing a core material for female clothing, which is formed by pressing to form a predetermined shape.   The multifilament is formed of a plurality of core-sheath monofilaments having a core part and a sheath part, and the melting point of the core part is higher than the melting point of the sheath part, and the string body is less than the melting point of the core part. 6. The method for producing a core material for compensating a female garment according to claim 5, wherein heating and pressurization are performed at a temperature equal to or higher than the melting point of the sheath portion.   7. The method for producing a core material for compensating a female garment according to claim 5, wherein carbon fibers and / or PET fibers are knitted together when the multifilament is laced.

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