JPS5831420B2 - Manufacturing method of pile fabric - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION This invention relates to a method for manufacturing pile fabric, and in particular to a method for knitting fabric using a soluble yarn as part of the knitting yarn using a circular knitting machine with a double needle kettle. This invention relates to a method for producing pile fabric in which the pile is made to appear by dissolving it.

Conventionally, when knitting pile fabric using a circular knitting machine with a double needle bed equipped with cylinder needles and dial needles, special devices such as a plenors or latch opener are attached to the machine to remove the needles from the loop. This loop part is used to form a pile, and in this case, three yarn feeders are required to make one pile, resulting in extremely low knitting efficiency and expensive machinery, resulting in high production costs. It was inevitable that it would be expensive.

Moreover, when setting the above-mentioned device, it is very difficult to adjust it, and there are some problems in knitting technology, so a high level of skill is required for knitting.

Moreover, there were restrictions on the types of tissue that could be knitted, and only those with simple patterns could be knitted.

Therefore, in order to solve the above drawbacks, insoluble yarn and soluble yarn are knitted using a circular knitting machine with a double needle bed, and after knitting, the soluble yarn is dissolved and removed, so that piles appear on the surface of the fabric. A method for producing a pile knitted fabric in this manner was invented in Japanese Patent Publication No. 52-4670 and Japanese Patent Application Laid-Open No. 52-70172.

However, in the above method, insoluble yarn is fed to one needle bed and the other needle bed, and soluble yarn is fed to the other needle bed, and one side of the knitted fabric consists of only loops of insoluble yarn. A knitted fabric is knitted in which a loop of insoluble yarn and a loop of soluble yarn are stitched together on the other side, and after knitting, the soluble yarn on the other side is dissolved and removed to release the mutual loops of the insoluble yarn. Since this is a method of forming a pile, when a tensile force is applied to the fabric, that is, the silk fabric on one side, in the wale direction, the loops of the knitted fabric are pulled in the wale direction.
As a result, the loop on the other side that is connected to that loop (
There was a drawback that the tensile heel (the part that forms the pile) would disappear, and the loops on one side would stretch and that part would stretch.

Therefore, in practical use, it was necessary to fix the loop by applying adhesive to the surface of one side.

This invention was made to solve these drawbacks, and in a double needle bed circular knitting machine, the ground yarn is fed to the needles of one needle bed, and the pile yarn is fed to the needles of both needle beds. On one needle bed, the ground texture is formed by the loop of the ground yarn, and the pile yarn is knitted to form a loop with the loop of the ground thread, and on the other needle bed, the ground texture is Separately knit to form a loop of pile yarn,
Also, by feeding the soluble yarn to the other needle bed to form a loop, knitting is performed so that this loop and the loop of the pile yarn are interlocked, and after knitting, the pile is removed by dissolving the soluble yarn. This is to make it appear.

Embodiments of the present invention will be described below with reference to feed system diagrams shown in the drawings.

Figure 1 shows a rib knitting structure knitted by a double needle bed circular knitting machine equipped with cylinder needles 1 and dial needles 2. At the same time, from the other hole, the pile yarn is alternately fed to cylinder needle 1 and dial needle 2 to be knitted into the ground structure. At the step, the water-soluble yarn C is fed to the cylinder needle 1, and the mouth of the water-soluble yarn C is connected to the loop buoy of the pile yarn thread, and one course is made by the yarn fed from these first and second yarn feeders. The dough is formed continuously by knitting each piece one by one.

In the above case, the ground yarn a and the pile yarn are fed simultaneously from respective holes of the first yarn feeder, but are fed to the needles while being staggered by a known delay timing method for knitting.

The fabric knitted as described above is then immersed in water, warm water, or hot water to form water-soluble threads in the fabric.
By melting the pile yarn, each loopy portion of the pile thread formed by the cylinder needle 1 is made independent, and this loopy portion is made to appear as a pile on the entire surface of the ground structure (see Fig. 2).

The ground yarn a of the pile fabric produced as described above is, for example, a 75-denier false twisted yarn made of polyester, and the pile yarn is, for example, a 30-count single yarn containing 50 φ each of Tetoron and Cotton. The heathered yarn of the yarn is further water-soluble yarn C, for example, a single yarn of 28 denier (9 filaments) made of Tsurupron long fibers (made by Chibi).
is used.

In the case of fabrics made of the above-mentioned threads, they are immersed in warm water at 60°C for dissolution treatment.

Figure 3 shows a mixed knitting structure of connected pile and rib stitch knitted by the above-mentioned circular knitting machine, in which knitting yarn e is alternately fed from the first yarn feeder to cylinder needle 1 and dial needle 2. Two out of four cylinder needles 1 are rib knitted while maintaining the welt position (non-knitting position), and no loops are formed by the cylinder needles 1 at this location.

Then, the ground yarn a is fed to each dial needle 2 from one hole of the second yarn feeder having two holes, and a ground texture is formed by the loop of the knitting yarn e and the loop of the ground yarn a. From there, feed the pile yarn to cylinder needle 1 and dial needle 2,
In addition to knitting into the ground structure knitted by the dial needle 2, in the cylinder needle 1, a loop is formed only in the needles where the loop is not formed by the knitting yarn e, and the needles in other locations are made to maintain the welt position. Organize them in groups.

In addition, the water-soluble yarn C is fed from the third yarn feeder to the cylinder needle 1, and a loop is formed only in the needle where the loop is formed by the pile yarn, and the needles in other positions maintain the welt position. The loops of the water-soluble yarn C and the loops of the pile yarn are stitched together, and the fabric is continuously formed by knitting one course at a time using the yarns fed from the first to third yarn feeders. do.

Then, the fabric knitted in this way is then dissolved in the water-soluble yarn C as described above to make each loop part of the pile thread by the cylinder needle 1 independent, and these loop parts are used as a connected pile. Appear on the surface of the ground tissue.

The ground yarn a, the pile yarn, and the water-soluble yarn C of the pile fabric produced as described above are, for example, the same kind as those of the above-mentioned rib knitted structure, and the knitting yarn e is, for example, made of polyester. A single dyed yarn of 150 denier (36 filaments) is used.

When knitting with a circular knitting machine, in addition to the above, for example, as shown in FIG. 4, by knitting with every other dial needle 2 inactive, cylinder needles are formed by dissolving the water-soluble yarn C after knitting. A pile covering two stitches of No. 1 will appear, resulting in a high pile fabric.

In addition, in the case of knitting with a circular knitting machine, by appropriately operating the needles in three positions of knit, tuck, and welt, and by knitting with high batt needles and low batt needles in any pattern, for example, eight-lot knitting can be achieved. Not only can organizations such as , punch, roma, double pique, and milan rib be easily organized, but when organizing with a jacquard device,
Various types of textures can be easily knitted, such as a mini-jacquard pattern, where a pile pattern is mixed into a part of the ground fabric to appear.

The ground yarns a, a', pile yarns b, b', water-soluble yarn C9C' and knitting yarn e should be made of the materials and thicknesses mentioned above, as well as the texture required by the gauge of the machine and the fabric.
It goes without saying that nylon, wool, cotton yarn, and a mixture of various synthetic fibers are used depending on the thickness of the fabric, and the yarn count and denier are appropriately selected.

As described above, according to the method for manufacturing pile fabric of this invention,
The ground texture is formed by the loop of the ground yarn a (in the case of the embodiment shown in Fig. 3, by the loop of the knitting yarn e), and the pile yarn is knitted to form a loop together with the loop of the ground yarn a, so that the fabric In the ground structure, there is no place consisting of a single loop of pile yarn, that is, there is no course.

Therefore, even if a tensile force in the wale direction is applied to the ground structure, that force acts only on the ground structure and does not affect the pile yarn loops.

Therefore, according to the present invention, it is possible to easily produce pile fabric without any risk of the fabric stretching in the wale direction, even without applying adhesive to the base structure to fix the loops as in the past. .

Moreover, according to this invention, it is possible to knit by adjusting the stitch depth, adjusting the needle hook interval between the cylinder needle and the dial needle, or arbitrarily setting the knit position and tuck position of each needle on the cylinder needle. Since the pile length can be easily varied, pile fabrics with patterns having different pile lengths can be easily obtained.

In this case, by shearing the long pile in a post-process, it is possible to produce a velour-patterned pile fabric. According to the present invention, a unique pile fabric can be produced.

[Brief explanation of the drawing]

The figure shows an example in which the fabric before dissolving the water-soluble yarn is knitted using a circular knitting machine with a double needle bed. FIG. 3 is a feed system diagram of a mixed knitting structure of connected pile and rib knitting, and FIG. 4 is a feed system diagram of a high pile structure of rib knitting. 1... Cylinder needle, 2... Dial needle, a...
Ground yarn, b... pile yarn, C... water-soluble yarn, e...
Knitting yarn, I...loop of pile yarn, mouth...loop of water-soluble yarn.

Claims (1)

[Claims] In a circular knitting machine equipped with 12 needle beds, the ground yarn is fed to the needles of one of the needle beds, and the pile yarn is fed to the needles of both needle beds, and in the one needle bed, is knitted so that a ground weave is formed by loops of the ground yarn, and the pile yarn forms a loop together with the loops of the ground yarn, and on the other needle bed, a loop of pile yarn is formed separately from the ground weave. In addition, by feeding the soluble yarn to the needles of the other needle bed to form a loop, knitting is performed so that this loop and the loop of the pile yarn are connected, and after knitting, the soluble yarn is dissolved and removed. A method for manufacturing a pile fabric, characterized in that the loops of the pile yarn are made independent by each step, and the loops are made to appear as piles on the surface of the fabric.