JPS6233039Y2 - - Google Patents

Description

[Detailed description of the invention] This invention relates to a wrapping string, and its purpose is to tighten the knot tightly to eliminate any loosening after wrapping, and to facilitate the wrapping work.

When wrapping by tying a string, not only does the wrapping work require skill, but also there is a risk that the knot may come loose after wrapping due to poor tying techniques, and the package may come apart during transportation.

This idea was created in view of the conventional problems mentioned above.
The knot is maintained tightly after wrapping, and the details of an example of applying this idea to a braided cord are as follows.

In FIG. 1, reference numeral 1 denotes raw yarns, and each raw yarn 1 is assembled into a spiral cylindrical shape by a method of braiding, and a core yarn 2 is incorporated in the hollow interior thereof. Of these component yarns, that is, the raw yarn 1 and the core yarn 2, all of the core yarns 2 (three in the illustrated example) are heat-shrinkable yarns such as "Teviron" (trade name, manufactured by Teijin). has been done. The heat-shrinkable yarn in the illustrated example is suitably one that has a shrinkage rate of 25% and shrinks at about 130°C. In addition, 16 non-shrinkable gold glitter threads are used for yarn 1.

In the braid 3 shown in FIG. 1, several of the constituent threads are heat-shrinkable threads, but heat-shrinkable threads may be used for one or all of the constituent threads.

What is shown in FIG. 2 is a braid 4 in which all of the constituent threads are heat-shrinkable threads. In the same figure, 16 yarns 5
are all made of heat-shrinkable thread, and are woven in a similar manner to Jingo. In this example, heat-shrinkable yarn with a higher shrinkage rate than the one in Figure 1 can be used, and its shrinkage rate is 50.
% is appropriate. Do not use core thread.

Although this invention has been explained above with respect to braided cords with a round weave, this invention can also be applied to flat braided cords, braided cords, and other types of cords.

As shown in Figure 3, the string of this invention can be used to
Hang it over the string to make knots 6 and 7, and in that state, warm air is blown onto the string, especially the knots 6 and 7, to heat it. In the case of "Teviron" in the above example, 130
Blow warm air at ℃ for 1 to 2 minutes. This heating causes the heat-shrinkable yarn (core yarn 2 or raw yarn 5) to shrink,
Knots 6 and 7 become tight.

As mentioned above, when the string of this invention is heated after being tied, it shrinks and the knot becomes firm and remains in that state, so there is no risk of the knot becoming loose or the wrapping unraveling after packaging, and it is a reliable product. Can be packaged.

What's more, the knots are tightened by heating, so there is no need to manually tighten the knots during packaging.
Packaging work is easy and does not require the same skill as conventional methods.

In short, according to the present invention, there is an advantage that the core yarn shrinks and the knot is tightened by heating after winding and tightening around the packaged product, and the cylindrical non-heat-shrinkable material on the outside of the core yarn Since most of the braid is made of thread and does not shrink, it has the advantage that deformation of the appearance of the braid due to heating can be kept to a minimum and the appearance is not spoiled.

In addition, the core yarn shrinks greatly in its axial direction, shortening its length and strengthening its ability to withstand the packaged product. Since the cord is constructed in the body, its contraction is divided into contraction in the radial direction of the cord and contraction in the longitudinal direction (in the direction of the cord axis), so that contraction in the longitudinal direction can be almost eliminated.
This has the advantage that it can alleviate the digging into the packaged product due to contraction of the outer cylindrical body, and can even have a cushioning effect against the tightening of the core yarn.

[Brief explanation of the drawing]

FIG. 1 is a front view of the string according to this invention, and FIG. 2 is a perspective view showing its usage. 1... Raw thread, 2... Core thread (heat-shrinkable thread), 5...
... Raw yarn (heat-shrinkable yarn).

Claims (1)

[Scope of Claim for Utility Model Registration] 1. The main material is non-heat-shrinkable yarn, which is formed by knitting a core yarn made of heat-shrinkable yarn into a cylindrical shape spirally in the longitudinal direction of the core material. A wrapping string characterized by being surrounded by raw yarn. 2. The packaging string according to claim 1, which is a utility model registration claim, in which heat-shrinkable yarn is mixed into a part of the raw yarn knitted into a tubular shape.