JPH06316834A - Denim fabric and its production - Google Patents

Abstract

PURPOSE:To provide a denim fabric, preeminently soft and good in touch and having characteristics such as sanitariness due to its excellence in water (moisture) absorbing, draining and warm-keeping properties in the back thereof and a method for producing the denim fabric. CONSTITUTION:The denim fabric is constructed by arranging non-twisted cotton fiber yarns 3 between ground warp yarns 1 of the denim fabric and weaving the yarns into the form of a warp satin weave so as to cover most of the back of the denim fabric (W) with the non-twisted cotton fiber yarns 3. The method for producing the denim fabric is characterized by arranging the non-twisted cotton fiber yarns, bundled and held with water-soluble fiber yarns such as polyvinyl alcoholic fiber between the ground warp yarns of the denim fabric, weaving the yarns into the form of the warp satin weave so as to expose most of the non-twisted cotton fiber yarns to the back of the denim fabric, then dissolving and removing the water-soluble fiber yarns and obtaining the denim fabric having most of the back covered with the flexible non-twisted cotton fiber yarns.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a denim fabric having a flexible back surface and an improvement in its manufacturing method, which is mainly used in the industrial field of manufacturing and selling clothes and clothes.

[0002]

2. Description of the Related Art Generally, denim fabric has, for example, 20 warp yarns.
It is made of a heavy-duty woven fabric woven in a twill weave or warp satin weave, using bleached yarns or colored yarns finer than warp yarns for colored yarns and weft yarns of count (cotton count) or less.

[0003]

Therefore, the denim fabric is
Because of its toughness due to its material and organization, and its moderate flexibility, it is often used as a casual wear for young people (jeans), but both sides have thick cotton twisted yarns. Since it has a hard feel when worn directly on the body, there is a problem with a feeling of coarseness or itching, water absorption (wet), drainage is not necessarily good, therefore sweat can not be absorbed sufficiently, In addition, there is a problem that it lacks heat retention.

The present invention has been researched and developed with the object of solving the above-mentioned problems, and it is excellent in softness and softness to the touch, and has good pumping (wet) properties, drainability and heat retention. Therefore, it is an object of the present invention to provide a denim fabric having a sanitary feature on the back surface and a method for manufacturing the denim fabric.

[0005]

Means for Solving the Problems As a means for solving the above problems and achieving the object, in the present invention, in a denim fabric, untwisted cotton fiber strips are arranged between the ground warp yarns of the denim fabric, The denim fabric is characterized by being woven in a satin weave pattern so that most of the back surface of the fabric is covered with this untwisted cotton fiber strip, and the denim fabric when the denim fabric is woven. An untwisted cotton fiber strip, which is bundled and held by a water-soluble fiber strip such as polyvinyl alcohol fiber, is arranged between the warp yarns, and a warp satin weave so that most of the untwisted cotton fiber strip is exposed on the back surface of the denim fabric. After woven into a shape, by dissolving and removing the water-soluble fiber strip, a method for producing a denim fabric is obtained, in which most of the back surface is covered with this flexible untwisted cotton fiber strip. Each was developed and adopted.

[0006]

[Working] The denim fabric according to the present invention is constructed as described above, and most of the back surface thereof is covered with a flexible untwisted cotton fiber strip, so this is used for clothing such as jeans. It feels very good when touched, there is no discomfort even if it touches the skin directly, and its excellent water absorption (wetness) has the effect of reliably absorbing sweat, and it also has an extremely high heat retention. Is very good.

The untwisted cotton fiber strip covering most of the back surface of the denim fabric is bundled and held by a water-soluble fiber strip such as polyvinyl alcohol fiber during weaving. It is possible to surely achieve the suzuki weaving work of
By the means for dissolving and removing the water-soluble fiber strip after weaving, there is an effect that the peculiar flexibility, water absorption (wetness), drainage property and heat retaining property of the untwisted cotton fiber strip can be surely imparted to the back surface of the denim fabric.

[0008]

EXAMPLE An example of the present invention will be described below with reference to the accompanying drawings. For example, a 10-count navy-blue dyed white cotton yarn is used for the ground warp yarn 1, and a 14-count cotton yarn is used for the ground weft yarn 2. 1/3
When weaving a warp twill denim W, a cotton yarn that is right-twisted with a twist number of 8 to 12 between 1 inch of each warp yarn 1 and 1 is untwisted back into a cotton shape, and polyvinyl chloride is applied to the outer periphery thereof. An untwisted cotton fiber strip 3 of 20th number formed by winding an alcohol fiber strip in a coil is arranged on the back side of the denim fabric, and one of the adjacent untwisted cotton fiber strips 3 and 3 is the eighth. For each one ground weft yarn 2,
The other side is shifted by four ground weft yarns and woven alternately into one ground weft yarn 2 for every eighth yarn, and most of the untwisted cotton fiber strip 3 is exposed on the back surface in a warp satin weave pattern. Weaving the ground W,
After that, this denim fabric W is immersed in warm water of about 60 ° C. to dissolve and remove the polyvinyl alcohol fiber strips of the untwisted cotton fiber strip 3, and most of the back surface is a substantially untwisted flexible cotton yarn. I got a denim cloth covered with.

Further, in this embodiment, 1/3 warp twill is adopted as a standard specification of denim, and warp yarn count × weft yarn count = 8 to 20 s × 12 to 22 s, warp density × density (book / inch)
= 60-70x40-50 was adopted.

As the non-twisted cotton fiber strip 3, in addition to the above-mentioned embodiment, a mixed-spun sweet-twisted yarn of polyvinyl alcohol fiber soluble fiber and non-twisted cotton fiber or untwisted cotton fiber is coated with the soluble fiber. Alternatively, a coated yarn in which the soluble fiber is coated with untwisted cotton fiber may be used, that is, the remaining fiber obtained by dissolving and removing the soluble fiber may be in the form of a substantially untwisted soft cotton fiber. Is.

According to the above embodiment, the denim W
Since the majority of the back surface of the denim is covered with the untwisted cotton fiber strip 3, it is excellent in flexibility, water absorption (wetness) and heat retention. Therefore, when the denim fabric W is used for clothing such as jeans. Is very good in touch, there is no discomfort even if it directly touches the skin, and its excellent water absorption (wetness) makes it possible to reliably absorb perspiration, and has the advantage of improving the heat retention effect, It has various effects that cannot be achieved by conventional jeans.

Although the main embodiments of the present invention have been described in detail above, the present invention is not limited to the above-mentioned embodiments, and the object of the invention can be achieved and the scope of the invention is not deviated. It goes without saying that various design changes are possible.

[0013]

INDUSTRIAL APPLICABILITY According to the present invention, untwisted cotton fiber strips are arranged between the ground warps of a denim fabric, and most of the back surface of the denim fabric is covered with this flexible untwisted cotton fiber strip. Since it is related to denim fabric, which is characterized by being woven into, the back surface is excellent in flexibility, water absorption (wetness) and heat retention, and therefore this denim fabric can be used for clothing such as jeans. It has a very good feel when used, there is no discomfort even if it touches the skin directly, and its excellent water absorption (wetness) makes it possible to reliably absorb sweat, so you do not have to wear under pants. In addition to being hygienic, there is an advantage that the heat retaining effect can be improved, and excellent effects that cannot be achieved by conventional jeans can be achieved.

Further, according to the present invention, when weaving a denim fabric, an untwisted cotton fiber strip which is bundled and held by a water-soluble fiber strip such as polyvinyl alcohol fiber is arranged between the ground warps of the denim fabric, After weaving in a satin weave pattern so that most of the untwisted cotton fiber strips are exposed on the back surface of the denim fabric, the above water-soluble fiber strips are dissolved and removed, so that most of the back surface is soft and untwisted. A method for producing a denim fabric, characterized in that a denim fabric covered with a cotton fabric strip is obtained, wherein a non-twisted cotton fiber strip that covers most of the back surface of this denim fabric is woven. At this time, since it is bundled and held by a water-soluble fiber strip such as polyvinyl alcohol fiber, the desired warp satin weaving work can be reliably achieved, and by means of dissolution and removal means of the water-soluble fiber strip after weaving. Unique pliability, water absorption (wetness), and water of untwisted cotton fiber There is surely grant can effect sexual and warmth on the back of the denim.

[Brief description of drawings]

FIG. 1 is a structural diagram of the back side of a denim fabric according to the present invention.

FIG. 2 is a sectional view taken along the line AA of FIG.

3 is a cross-sectional view taken along the line BB of FIG.

FIG. 4 is a cross-sectional view taken along the line CC of FIG.

5 is a cross-sectional view taken along the line DD of FIG.

6 is a cross-sectional view taken along the line EE of FIG.

[Explanation of symbols]

 1 Ground warp 2 Ground weft 3 Untwisted cotton fiber strip W Denim fabric

Claims (3)

[Claims] 1. In a denim fabric, untwisted cotton fiber strips are arranged between the ground warp yarns of the denim fabric, and most of the back surface of the denim fabric is covered with this flexible untwisted cotton fiber strip. Denim fabric characterized by being woven into. 2. When weaving a denim fabric, a non-twisted cotton fiber strip which is bundled and held by a water-soluble fiber strip such as polyvinyl alcohol fiber is arranged between the ground warp yarns of the denim fabric, and the untwisted cotton strip is formed. After weaving in a satin weave pattern so that most of the fiber strips are exposed on the back surface of the denim fabric, the water-soluble fiber strips are dissolved and removed, so that the majority of the back surface is made of this flexible non-twisted cotton fiber strip. A method for producing a denim fabric, which comprises obtaining a covered denim fabric. 3. The method for producing a denim fabric according to claim 2, wherein an untwisted cotton fiber strip wound and bundled in a vine shape with a water-soluble fiber strip such as polyvinyl alcohol fiber is used.