JP2005014974A - Core body for use in transporting coiled cylindrical product - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a core body which is used to transport a coiled product safely in a stable package, facilitates a packing work, and can be used repeatedly. <P>SOLUTION: Each cylindrical product W is rolled into a cylindrical shape having a preset size (diameter) and height, and is bundled with a plurality of string members 1a on the outer periphery. When a plurality of such cylindrical products W are stacked vertically and transported, the whole of the stack is bundled with a string member 1b, but the stack may collapse caused by vibration, shaking or the like of a vehicle during the transportation. For such a case, a core body 3 made of an expandable/contractible flexible bag, as shown in the figures 2 to 4 (not shown), is inserted into a hollow part 2 formed in the stacked cylindrical products W. A gas such as air is introduced into the core body 3 so that it expands and maintains the inner cylindrical shape of the products W and the package shape of the cylindrical products W during transportation as well. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a core for transporting a cylindrical product wound in a coil shape. More specifically, for example, when a cylindrical product wound in a coil shape with a long hose or the like is stacked and transported. It is related to the core for transportation of the cylindrical product wound in the shape of a coil that can keep the shape of the inner surface of the cylindrical product and can be transported in a safe package without causing collapse of the load. is there.
[0002]
[Prior art]
Conventionally, when a tubular product formed in a predetermined diameter and a predetermined height is wound in a coil shape by winding a strip-like, wire-like or pipe-like long product such as a hose, each cylinder is transported. After tying the shaped products with ropes, strings or sheet-like tape, etc., the whole tubular products stacked in multiple stages are packed in the same way, and the products stacked in a multi-stage so that they do not collapse. A method of inserting and transporting a core material formed of a resin material or a hard material in the hollow portion of the material has been performed (see, for example, Patent Document 1).
[0003]
[Patent Document 1]
JP-A-2002-337968 (2nd to 4th pages, FIGS. 2 (a) to (d))
[0004]
[Problems to be solved by the invention]
However, the conventional transportation method requires a lot of labor and time for packing work and multi-stage packing, and it is difficult to transport in a stable package, and in the case of a cylindrical product with a large weight, When using a core material, it is very expensive to manufacture the core material, and if a core material made of a resin material or hard material is used, In addition to being difficult to use, there is a problem that a lot of work and costs are required for disposal after transportation.
[0005]
The present invention was devised by paying attention to such conventional problems, and by using a core body with a simple configuration, it can be transported safely and in a stable package, and further packing work In addition, it is an object of the present invention to provide a core for transporting a cylindrical product wound in a coil shape that can be used repeatedly.
[0006]
[Means for Solving the Problems]
In order to achieve the above object, the present invention is a flexible product that can be expanded and contracted in a hollow interior of a tubular product formed by winding a strip-like, linear or pipe-like long product into a coil shape. For transporting, a core body made of a flexible bag is inserted, and the shape of the inner surface of the cylindrical product is maintained by introducing a gas into the core body and inflating, and the shape of the cylindrical product during transport is maintained. A core body, wherein the core body is provided with at least one gas injection / discharge port in a part of a flexible bag formed in a shape along the inner peripheral shape of the cylindrical product. This is the gist.
[0007]
Here, the bag body is formed so as to be 10 to 20% larger than the hollow inner volume of the cylindrical product at the time of expansion, and is composed of an upper surface portion, a lower surface portion, and a side surface portion, and the strength of the side surface portion is It is configured to be smaller than the upper surface portion and the lower surface portion, and is configured so that the side surface portion bulges from the upper surface portion and the lower surface portion when gas is injected.
[0008]
Furthermore, the bag body is provided with a plurality of partition chambers in the longitudinal direction when inflated, and each partition chamber is provided with a gas injection and discharge port, respectively. It is constituted by one selected from a rubber sheet or a resin sheet, or a combination thereof.
[0009]
Moreover, the said cylindrical product uses one cylindrical product selected from circular, an ellipse, or a polygon.
[0010]
In this way, when transporting the multi-layered cylindrical product, a core body made of a flexible bag that can be expanded and contracted is inserted into the hollow portion of the cylindrical product, and gas is introduced into the core body to be expanded. As a result, the inner shape of the cylindrical product is maintained, and the shape of the cylindrical product during transportation is maintained, so that the product can be transported safely and in a stable package, and the packing work is also easy. Besides, it can be used repeatedly.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the accompanying drawings.
[0012]
FIG. 1 is a perspective view showing a transport state of a cylindrical product wound in a coil shape according to the present invention. In this embodiment, a cylindrical product in which a long hose or the like is wound in a coil shape is shown. It shows the case where four stages are stacked and transported.
[0013]
Each cylindrical product W is wound in a cylindrical shape with a prescribed size (diameter) and height, and the outer peripheral portion is bundled by a plurality of string-like members 1a. In the case where a plurality of such cylindrical products W are stacked and transported in series, the whole is bundled by the string-like member 1b. However, since there is a case where the tubular product W collapses due to vibration during transportation, shaking of the vehicle, and the like, A core body 3 made of a flexible bag body that can be expanded and contracted as shown in FIGS. 2 to 4 is inserted into the hollow portion 2 of the stacked cylindrical product W, and air or the like is inserted into the core body 3. By introducing and expanding the gas, the inner shape of the cylindrical product W is maintained, and the package shape of the cylindrical product W during transportation is maintained.
[0014]
The core body 3 is provided with at least one gas injection / discharge port 8 in a part of a flexible bag body 4 formed in a shape along the inner peripheral shape of the tubular product W. 4 is formed so as to be 10 to 20% larger than the hollow inner volume of the tubular product W during expansion, whereby the inner surface shape of the tubular product W can be maintained.
[0015]
The bag body 4 is constituted by one selected from a rubberized cloth, a rubber sheet, or a resin sheet, or a combination thereof, and is integrally formed by the upper surface portion 5a, the lower surface portion 5b, and the side surface portion 6, By configuring the strength of the side surface portion 6, for example, the thickness of the sheet to be smaller (thinner thickness is smaller) than the upper surface portion 5a and the lower surface portion 5b, the side surface portion 6 is made to have the upper surface portion 5a and the lower surface surface during gas injection. It can bulge more than the part 5b and can hold the inner surface shape of the cylindrical product W.
[0016]
In addition, you may make it change the intensity | strength of the upper surface part 5a, the lower surface part 5b, and the side part 6 of the bag body 4 with the hardness and elongation of a material.
[0017]
Furthermore, as other embodiment of the core body 3, as shown in FIG.2 and FIG.3 so that the length of the core body 3 can be adjusted according to the height of the cylindrical product W stacked in multiple stages, A plurality of partition rooms 7a to 7e are partitioned and formed in the longitudinal direction of the bag body 4 via a partition member 7, and gas injection and discharge ports 8a to 8e are provided in the partition rooms 7a to 7e, respectively. It is also possible to configure it so that it expands.
[0018]
Further, the cylindrical product W to be stacked in multiple stages is not limited to the cylindrical cylindrical product W as in the above-described embodiment. For example, a rectangular cylindrical product Wa as shown in FIG. In this case, the form of the bag body 4 is a hollow portion of the rectangular tubular product Wa or a triangular tubular product. It is necessary to form in a shape corresponding to the hollow part of Wb.
[0019]
Needless to say, the present invention can also be applied to cylindrical products having other shapes, such as elliptical cylindrical products and hexagonal cylindrical products.
[0020]
As described above, in the embodiment of the present invention, when a plurality of tubular products W are stacked and transported in series, the entire hollow portion 2 of the tubular products W stacked in multiple stages is in a state where the gas is evacuated. By inserting a flexible bag body 4 constituting the core body 3 and injecting a gas into the bag body 4 with a predetermined pressure to expand the inner surface shape of the cylindrical product W can be maintained. At the same time, the shape of the tubular product W during transportation can be maintained.
[0021]
As a result, the cylindrical product W can be transported in a stable package during transportation, and the packaging work is also easy. In addition, after transportation, the bag 4 can be repeatedly used by exhausting gas, and when the bag 4 having a plurality of partition rooms 7a to 7e is used, the height of the load is increased. It is also possible to transport safely in response to
[0022]
【The invention's effect】
The present invention is a flexible bag that can be expanded and contracted in the hollow interior of a cylindrical product formed by winding a strip-like, linear or pipe-like long product into a coil shape as described above. A core body for transportation in which a core body made of a body is inserted, gas is introduced into the core body, and the inner surface shape of the cylindrical product is maintained by expanding the core body, and the package shape of the cylindrical product during transportation is maintained. Since the core body is provided with at least one gas injection / discharge port in a part of a flexible bag formed in a shape along the inner peripheral shape of the cylindrical product, It can be manufactured at a low cost with a simple structure, can be transported safely and in a stable package, and the packaging work is easy, and it can be used repeatedly.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a transport state of a cylindrical product wound in a coil shape according to the present invention.
FIG. 2 is a perspective view of a bag body when a core body to be inserted into a hollow part of a tubular product is inflated.
3 is a cross-sectional view taken along the line AA in FIG. 2;
FIG. 4 is a perspective view showing a state where gas is extracted from a core body.
FIG. 5 is a perspective view showing another embodiment of a tubular product.
FIG. 6 is a perspective view showing another embodiment of a tubular product.
[Explanation of symbols]
W, Wa, Wb Tubular product 1a, 1b String member 2 Hollow portion 3 Core body 4 Bag body 5a Upper surface portion 5b Lower surface portion 6 Side surface portion 7 Partition members 7a to 7e Partition chambers 8, 8a to 8e Injection, discharge port

Claims (6)

A core body made of a flexible bag body that can be expanded and contracted is inserted into the hollow interior of a cylindrical product formed by winding a strip-like, linear or pipe-like long product into a coil shape. In addition to maintaining the inner surface shape of the cylindrical product by introducing gas into the core body and expanding the core body, the core body for transportation that holds the package shape of the cylindrical product during transportation, the core body, Wrapped in a coil shape characterized by providing at least one gas injection / discharge port in a part of a flexible bag formed in a shape along the inner peripheral shape of the cylindrical product Transport core for cylindrical products. The said bag body is a core for transportation of the cylindrical product wound by the coil shape of Claim 1 formed so that it might become 10-20% larger than the hollow internal volume of a cylindrical product at the time of expansion | swelling. The bag body includes an upper surface portion, a lower surface portion, and a side surface portion, and is configured such that the strength of the side surface portion is smaller than that of the upper surface portion and the lower surface portion. The core for transportation of the cylindrical product wound in the coil shape according to claim 1 or 2 configured to bulge. 4. The coil body according to claim 1, 2, or 3, wherein the bag body is provided with a plurality of partition rooms divided in the longitudinal direction when inflated, and each partition room is provided with a gas injection and discharge port, respectively. Transported core for cylindrical products. The said bag body of the cylindrical product wound by the coil shape of Claim 1, 2, 3 or 4 comprised by the one selected from a rubberized cloth, the rubber sheet, and the resin sheet, or these combination. Transport core. The said cylindrical product is one cylindrical product selected from circular, an ellipse, or a polygon, For the transportation of the cylindrical product wound by the coil shape of Claim 1, 2, 3, 4 or 5 Core.

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