JPH0617747Y2 - Cushioning material for heavy goods packaging - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a cushioning material for packing, which prevents damage to the surface only when they are in contact with each other when storing large hard objects.

[Prior Art] A hard heavy object, for example, a large-diameter steel pipe will be described. When the steel pipes are stored in an open pile, they are usually handled and piled up in a bare state, and the surfaces are not damaged only by mutual contact. However, if a special coating is applied to the surface, such as recent steel pipes for export, there is a risk that they may simply contact and rub slightly, causing damage and failing inspection.

On the other hand, in the past, when storing large steel pipes for export, a rubber band with a rectangular cross section was wound around both ends of the steel pipe, and the braids passed through the small holes at both ends of the rubber band were tied together and attached to adjacent steel pipes. It was used as a cushioning material.

However, the rubber band has a large friction coefficient with respect to the surface of the steel pipe, and when the lower stacked steel pipe moves somewhat due to the weight of the upper stacked steel pipe, the part of the rubber band pulled by the adjacent steel pipe cannot move Forces often broke the connecting braid and dropped it during transportation. There were also many problems with the rubber band itself. Since the rubber band is very heavy, workability is extremely poor, and it cannot be cut according to the actual product, so many sizes must be stocked. However, it couldn't be rolled small for storage and required a large warehouse. Moreover, the price is very high.

On the other hand, the inventor of the present invention is the actual application dated August 3, 1988.
We have invented and applied for a "packing cushioning material" based on 63-102409, but this is a device that is neither inferior to it, and we will file an application here.

The above description has been made for the steel pipe, but the same can be said for other pipes.

[Problems to be Solved by the Invention] An object of the present invention is to provide a cushioning material for packaging which is light and has good workability, is free from cutting work, is not bulky during storage, and is inexpensive.

[Means and Actions for Solving Problems] In the present invention, a cushioning material for packing is made by using an ordinary plastic rope.

As shown in FIG. 1, a normal rope has a structure in which a large number of polypropylene resin fiber strands 4 are twisted to form a yarn 3 (also referred to as a single union yarn), and a large number of yarns 3 are twisted to form a strand 2
(Also referred to as composite yarn), and the strand 1 is further twisted to form the rope 1.

The number of strands of a rope is 3, 4, 8 etc., but 3 is the most common.

The strands 4, the yarns 3, and the strands 2 are twisted in the same direction, and the outer yarns 3 are aligned in parallel with the center line of the rope 1. Therefore, the coefficient of friction with the steel material in the direction of the rope center line is extremely small in combination with the slippery nature peculiar to resin.

These ropes are so stiff that they cannot even be slightly deformed in cross section by hand, but they are a suitable cushioning material for heavy loads.

Even if both ends of the steel pipe are wound around the ends of the steel pipe with the rope and the steel pipe underneath is slightly moved, the steel pipe and the rope do not slide and generate a force, so that the connecting material does not break.

As a connecting material at both ends of the rope, a structure in which braids are pierced near both ends and the braids are tied and connected.

A structure in which only one strand of rope is lengthened and cut, then the twist is returned and softened to tie it together.

Cut a part of all the strands of the rope long and cut,
A structure in which the twist is returned to make it soft, and the ends are tied together.

There is a structure in which the twist between the strands of the rope is untwisted, the braid is wound around each strand in a spiral shape, and then the rope is twisted again and the braids at both ends are bundled and tied together.

[Embodiment] An embodiment of the present invention will be described below with reference to the drawings. As for the rope, as shown in the cross section in FIG. 5, three strands are used for packing steel pipes. The structure of the rope is shown in FIG. 1 in which 1 is a rope, 2 is a strand, 3 is a yarn, and the arrangement of the yarns is parallel to the center line of the rope. Four
Is a wire.

The rope can be cut with a knife.

Example 1. As shown in Fig. 1, the rope is cut slightly shorter than a single winding of a steel pipe, and the circumference of the cut end is wrapped with an adhesive vinyl tape to prevent it from unraveling, and the cut end is also coated with an adhesive to harden it. Braid 5 made of plastic fiber as the connecting material
The rope is attached to the steel pipe by piercing the rope with a distance from the cut end, extending both ends of the rope, and tying the braids 5 at both ends of the rope together. Both ends of the braid 5 are also wrapped with adhesive tape so that the twist cannot be unraveled.

Example 2. As shown in Fig. 2, except for one strand 2, the strands are cut off slightly shorter than the single winding of the steel pipe, and the periphery of the cut is wrapped with adhesive tape to prevent untwisting, and the remaining one is used as a connecting material. And cut it. The part of the strand that serves as the connecting material is untwisted at the part before the rope is cut, and is joined to the other end as a simple bundle of yarns 3. If it is hard and cannot be tied, cut a part like 8 in Fig. 2.

Example 3. In the present embodiment, one strand is used as the connecting material in the second embodiment, whereas the binder is taken out from all the strands. That is, a part slightly shorter than the single winding of the steel pipe is wrapped and pressed with an adhesive tape, and a part of each strand 2 is cut off, the remaining one is cut to a length that can be connected, the twist is loosened, and the other end is bundled. Combine with that of.

Example 4. As shown in FIG. 3, the rope is cut a little shorter than the single winding of the steel pipe, and an adhesive is applied to the cut surface of each strand to suppress the untwist. Then each strand 2 15 from the end
About 20 cm apart, the braid 5 is spirally wound around each strand along the yarn 3, the strand is returned to its original state, and the periphery of the cut surface is pressed with an adhesive tape. Braid 5
Take a length as a connecting material and cut it, wrap an adhesive tape around the cut end, bundle it and tie it with the bundle of braids at the other end.

[Effects of the Invention] The cushioning material according to the present invention and the invention of the inventor of the present application filed earlier are both light and have good workability, and because the sliding on the steel pipe is good, the connecting material is not cut and storage is easy. hand,
Despite being superior to rubber bands in all respects, the price is incomparably low, and the cushioning material according to the present invention uses a commercially available rope for general use, and can be obtained at a much lower cost.

By contributing to the transportation of heavy goods in this way, it will contribute to the industrial development of Japan in a small amount.

[Brief description of drawings]

Fig. 1 is a side view of a connecting braid pierced through a rope.
The figure shows a side view of a rope that is cut out long to use one strand as a connecting material, Fig. 3 is a side view in which a connecting braid is twisted, and Fig. 4 is a perspective view of stacked storage of steel pipes. The figure is a cross-sectional view of a general rope. 1; Rope, 2; Strand, 3; Yarn, 4; Elementary wire, 5; Connecting braid, 6; Adhesive tape, 7; Adhesive tape for braid, 8; Cut point

Claims (5)

[Scope of utility model registration request] 1. A cushion for packing heavy goods, which is cut to a length slightly shorter than the circumference of a heavy object for packing a normal plastic rope, wound around the cut part with adhesive tape and pressed, and provided with connecting materials at both ends to tie it together. Material 2. A cushioning material for heavy-weight packing according to claim 1), wherein a braid is pierced near both ends of the cutting rope as the connecting material of the first aspect and is tied together. 3. The cushioning material for packing heavy goods according to claim 1), wherein when the rope is cut as the connecting material according to claim 1, one strand is taken out and cut, and the twists are untied and tied together. 4. The cushioning material for heavy-weight packing according to claim 1), wherein when the rope is cut as the connecting material according to claim 1, a part of each strand is lengthened and cut, and the twists are untied and tied together. 5. As a connecting member according to claim 1, each strand cut surface of a rope cutting portion is fixed with an adhesive to untwist each strand, and a braid is wound around each strand in a spiral shape.
The cushioning material for heavy-weight packaging according to claim 1), wherein the strands are twisted again, and the periphery of the cut portion is wrapped with an adhesive tape to be pressed, and the long braid is tied together.