JPS602232Y2 - synthetic knitted fabric - Google Patents

Description

[Detailed description of the invention] This invention relates to a knitted fabric made of synthetic fibers such as vinylon, nylon, acrylic, and polyurethane.

When knitted fabrics made of synthetic fibers are exposed to dry climate conditions, especially in winter or spring, static electricity is generated due to contact and friction between fibers. It discharges at the moment of contact.

In addition, when wearing slips, petticoats, and other underwear made of knitted synthetic fibers, static electricity is generated due to contact and friction with the body, and the fabric sticks to the skin and does not easily come off, causing discomfort. There is.

The purpose of this invention is to solve the above-mentioned drawbacks of knitted fabrics made of synthetic fibers and to prevent the generation of static electricity.

Next, an example of this invention will be explained based on the drawings.
The fabric main body 1 is knitted with synthetic fiber yarn, and the fabric 1 is sewn in a zigzag stitch at equal intervals using ordinary, for example, acrylic fiber yarn 2 as a top thread and a fiber yarn 3 treated to be conductive as a bottom thread.

Examples of conductive fiber yarns 3 include metal-plated fiber yarns, metal-deposited fiber yarns, carbon composite fiber yarns, and acrylic fiber yarns containing conductive copper compounds, such as acrylic fibers dyed with copper compounds. Fiber yarns are suitable.

Further, when sewing, the conductive fiber thread 3 of the bobbin thread is stretched so as not to be exposed to the opposite side.

Note that the fiber thread 3 treated to be electrically conductive may be used not only as a lower thread but also as an upper thread, but in any case, if the fabric body 1 has front and back sides, it is not used on the front side.

Since this device has the above-mentioned structure, even if electricity is generated locally due to contact and friction between the fibers of the fabric, the electricity will be transmitted through the nearby fiber threads 3 that have been treated to be conductive and be transferred to other fibers. Static electricity does not build up because it flows to the location.

The same thing happens when underwear made by cutting this fabric is rubbed when you put it on and take it off.Furthermore, when you wear the underwear, static electricity is generated in the fabric body 1 due to friction with your body. Similarly, static electricity is not generated because the conductive fiber thread 3 acts as a ground and flows to the body.

Therefore, for underwear and the like, fabrics are used with the fiber threads 3 treated to be conductive inside.

As mentioned above, this invention was able to provide a synthetic fiber knitted fabric that prevents static electricity from discharging or coming into close contact with the body, and even though the knitted fabric is stretchable, it is not treated to be conductive. Since the fiber threads are attached in a zigzag stitch, they adapt to the expansion and contraction of the fabric, so there is no risk of them tearing, and they are in wide contact with the fabric itself, which is effective in preventing the generation of static electricity.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing a part of the knitted fabric according to this invention, FIG. 2 is a plan view of section A in FIG. 1, and FIG. 3 is a back view. 1...Fabric body, 2...Ordinary fiber thread, 3...Fiber thread treated to be conductive.

Claims (1)

[Scope of utility model registration request] A regular synthetic fiber thread 2 was used as a top thread on a fabric body 1, and a conductive fiber thread 3 was used as a bobbin thread, and the bobbin threads were exposed on the back side of the fabric at appropriate intervals and attached in a zigzag stitch. A synthetic fiber knitted fabric characterized by: