JPH10236515A - Holding piece for binding pipe - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a holding piece excellent in rigidity though simple in shape by forming the holding piece of the resin mainly consisting of dicyclopentadiene. SOLUTION: A holding piece for binding pipes is formed of the resin material excellent in rigidity mainly consisting of dicyclopentadiene. To bind steel pipes 5 using the holding piece for binding, the steel pipes 5 are placed on a recessed part 10a provided on a lower member 3 so as to be fitted in each recessed part. Then, an intermediate member 2b is placed at the position where the downwardly recessed part 8b is fitted on each steel pipe 5, and each steel pipe 5 is placed on an upwardly recessed part 8a so as to be fitted in each recessed part. Similarly, an intermediate member 2a is placed thereon, and the steep pipe 5 is placed thereon. Finally, an upper member 1 is covered thereon. After a steel tape 4 is wound around so as to be arranged in tape groove 7, 9, 11 provided in each member, the tape 4 is pulled to firmly bind the steel pipes.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a retainer for bundling pipes in which pipes are formed in a plurality of rows and in a fixed package in a plurality of rows so that pipes can be conveniently stored or transported.

[0002]

2. Description of the Related Art As retainers for keeping pipes in a fixed package and facilitating storage or transportation of the pipes,
Conventionally, various shapes and materials have been proposed.
For example, Japanese Unexamined Patent Publication (Kokai) No. Hei 3-505077 discloses an example of an apparatus for storing and conveying pipes, which is a long and integral molded article made of a synthetic resin molded member and having arc-shaped concave portions on both upper and lower surfaces. A retainer having a configuration in which a hollow hollow steel pipe is inserted into a central passage extending laterally through the pipe is described. However, in this retainer, the convex and concave portions are made of thin resin, and a steel square pipe is inserted into the center of the retainer, so that when an excessive vertical load or lateral load is applied, the resin May be deformed, causing collapse of the load. Furthermore, if the above retainer is to be disposed of due to damage, etc., there is a square pipe made of steel or the like, so it is necessary to dispose of it in landfill or separate and collect it at great expense. is there.

[0003] Japanese Patent Publication No. HEI 8-11923 discloses that a spacer member is selectively interposed on a divided surface of a holder body to change the diameter of a pipe material or to change the number of pipe materials arranged side by side. A retainer for pipe material made of recycled plastic waste that can be flexibly handled is described. However, this holding tool is not of an integrally formed construction, but must be assembled with spacers, set bolts, etc., and the workability of bundling is extremely poor. Also inferior. Furthermore, since it is composed of members having many different shapes, various molding dies are required, and these members are usually formed by compression molding or injection compression molding, so that the cost of the mold is high, and the manufacturing cost is high. However, there is also a problem that economic efficiency is inferior.

[0004]

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to solve the above-mentioned problems of the prior art, to have excellent rigidity, and to improve the workability at the time of bundling and the manufacturing cost.
Furthermore, after use, the plurality of pipes can be easily and firmly tied, which can be thermally recycled and resources can be effectively used, and the storage or transportation of the plurality of pipes is facilitated. An object of the present invention is to provide a retainer for binding pipes.

[0005]

The above objects are achieved by the present invention described below. That is, the present invention is a retainer for binding pipes, which is made of a resin containing dicyclopentadiene as a main raw material.

[0006]

According to the retainer for pipe material of the present invention, the resin material containing dicyclopentadiene as a main raw material constituting the retainer for binding pipes consists almost exclusively of hydrocarbons. Therefore, the waste material can be thermally recycled and easily reused as an effective resource. In addition, an integrally molded article of resin having excellent rigidity and comprising dicyclopentadiene as a main raw material is obtained by molding dicyclopentadiene and a catalyst by a conventionally known method described in Japanese Patent Application Laid-Open No. 58-129003. Since it can be easily obtained by a reaction injection molding method (hereinafter abbreviated as RIM) of mixing and polymerizing in a mold, a reduction in manufacturing cost is achieved. That is, according to the above-described RIM, a target having a large and complicated shape can be molded quickly and in an inexpensive apparatus, and the reaction can be performed under low pressure and low temperature conditions. The mold to be used is inexpensive, and the mold can be easily replaced. Further, the energy consumption is extremely small as compared with the usual injection molding method and compression molding method. Furthermore, the obtained molded article is excellent in rigidity, and can have desired mechanical properties such as mechanical strength by various additives mixed at the time of the polymerization reaction. Therefore, in the case where the shape of the bundling retainer for pipes of the present invention formed of the material as described above is used to fix a plurality of pipes in a fixed package, the fixing and bundling work can be easily performed, and steel By using a tape or the like, a simple structure in which a plurality of pipes can be easily and firmly bound can be obtained. As described above, the retainer for binding pipes of the present invention can achieve excellent rigidity without requiring an auxiliary member of another material such as a steel pipe hollow square pipe in a structural portion, and thus the number of members can be reduced. Since it can be made simple and simple, the manufacturing cost can be reduced, the disposal after use is easy, and the resource can be effectively used because it can be recycled.

[0007] Next, the preferred shape of the retainer for binding pipes of the present invention made of the above-mentioned materials is at least composed of upper and lower members and an intermediate member disposed between the upper and lower members. It is preferable that the member has a plurality of recesses that can be fitted to the outer circumference of the pipes, and at least a groove for disposing the binding tape on any surface of the outer circumference of the upper and lower members. Hereinafter, a preferred embodiment of the retainer for binding pipes of the present invention will be described with reference to the drawings. First, an example of the retainer for binding pipes of the present invention shown in FIGS. 1 and 2 will be described. FIG. 1 (a)
1 is a front view showing the entire configuration of a retainer for binding pipes (such as a steel pipe) of the present invention, and FIG. 1 (b) is a cross-sectional view thereof. 2A and 2B show the members constituting the pipe bundling retainer of the present invention. FIG. 2A shows the upper member 1 and FIG.
2B shows the shape of the intermediate member 2, and FIG. 2C shows the shape of the lower member 3, respectively. Here, in FIGS. 1 and 2, two intermediate members 2 a and 2 b are provided as the intermediate member 2 that is located between the upper member 1 and the lower member 3. The present invention is not limited to this. The number of intermediate members 2 may be one, or a range in which a plurality of pipes can be easily handled in a case where the pipes are bound and integrated with the pipe binding retainer of the present invention. For example, more than two intermediate members 2 may be provided. In addition, in the example shown in FIGS. 1 and 2, three pipes are arranged side by side, but this is not limited, and an appropriate number can be arranged depending on the thickness and weight of the pipes. May be arbitrarily designed. Hereinafter, each member will be described separately.

As shown in FIG. 2A, a binding tape 4 is wound around the center of the upper surface of the upper member 1.
A groove 7 having a width greater than the width of the binding tape 4 having a depth of about 5 mm is provided. The depth of the groove is determined from the function of the binding machine and is not particularly determined. At the both ends of the upper surface of the upper member 1, a plurality of pipes are bound by the pipe binding retainer of the present invention, and when the bundled state is further loaded, the pipes (steel pipe) 5 The single-sided concave surfaces 6 are provided in accordance with the diameters of the pipes 5 so as to prevent the lateral displacement during the transportation of the unit and to prevent the uniting tape 4 from coming off when the uniting tape 4 is stretched. . Further, with the above-described shape, the binding tape 4 can be hung over the upper surface of the upper member 1 to perform the binding operation, so that the binding tape 4 can be tightened in a downward position, and a strong It is possible to facilitate the binding state.

The upper member of the retainer for binding pipes of the present invention is not limited to the one shown in FIG.
By adopting the configuration shown in (1), it is possible to further facilitate a strong binding state. FIGS. 3 to 5 show the upper member 1 of the retainer for binding pipes of the present invention in FIGS.
This shows an example of another embodiment different from that shown in FIG. FIG. 3 (a)
FIG. 3 is a front view showing the entire configuration in this case, and FIG.
(B) shows the side view. Also, FIG.
FIG. 4 (b) is a perspective view of the upper member 1 in this case, and FIG. 4 (b) is a conceptual diagram in a case where the binding tape is wrapped around and the binding tape is fastened with the binding device by caulking the binding tape and the binding metal. . FIG. 5 is a schematic view for explaining a state in the vicinity of the binding retainer when a plurality of pipes are bound by the pipe binding retainer of the present invention in such an aspect and further stacked. FIG.

That is, according to the embodiments shown in FIGS.
When bundling a plurality of pipes with the retainer for bundling pipes of the present invention, the bundling of the plurality of pipes can be performed easily and more firmly. It is possible to stably load the pipes without damaging the pipes with the binding bracket or the like. Hereinafter, FIG.
5 will be described.

In the example shown in FIGS. 3 to 5, in the example shown in FIG. 2A, the binding tape 4 provided on the upper surface 1 of the upper member 1 of the binding retainer for pipes of the present invention is arranged. Groove 7 is 5
In contrast to a shallow groove having a depth of about mm, FIG.
As shown in the figure, the height of the walls 14 and 14 'forming the groove 7 is increased so as to be as deep as about 5 to 15 mm, and a part of the walls 14 and 14' is cut out and cut into the groove 7. A notched flat portion 13 is formed. By doing so, FIG.
As shown in (b), when fastening both ends of the binding tape 4 with the binding metal fittings, the binding tape can be easily and firmly swaged using the binding machine. That is, although conceptually shown in FIG. 4B, in the example shown in FIGS. 3 to 5, by providing the notched flat portion 13 without the walls 14 and 14 'in the groove 7, this portion is provided. Then, the end portions including both ends of the binding tape 4 are overlapped, and furthermore, the binding metal fitting 15 is arranged around the overlapped tape, and thereafter,
The work of caulking the binding metal with the fastening claw of the binding machine 16 can be facilitated. As a result, the binding tape 4 can be easily and sufficiently caulked, and a plurality of pipes can be firmly bound. Therefore, in the example shown in FIGS. 3 to 5, first, it is necessary that the width of the groove 7 is large enough to receive the binding tape 4. The width of the cutout of the walls 14 and 14 ′ to provide the
In the case of caulking the binding metal 15 with the fastening claws of No. 6, it is preferable that it be sufficient to easily and firmly caulk the work.

Further, the depth of the groove 7 is determined by the notch flat portion 13.
In this case, when the binding tape 4 is fastened by the binding metal 15, it is preferable that the upper surface of the binding metal 15 is not higher than the walls 14 and 14 ′ forming the groove 7 (FIG. 3B). reference). That is, as shown in FIG. 5, the pipe bundling retainer of the present invention may fasten a plurality of pipes and further load a plurality of pipes in that state. Is not sufficient, and the upper surface of the binding metal fitting 15 comes out above the walls 14 and 14 ′,
It is not preferable because the binding metal 15 may damage the pipes by contacting the pipes stacked thereon. Furthermore, in order to more completely prevent the damage of the pipes mounted on the upper member 1 of the bundling retainer of the present invention, the walls 14 and 14 'of the upper member 1 are notched. hand,
As shown in FIG. 3 (a), the notch flat portion 13 is provided so that the pipes stacked on the upper member 1 are adjacent to each other. It is preferable to prevent pipes from getting on.

Next, the intermediate member 2 of the retainer for binding pipes of the present invention will be described. The intermediate member 2 is shown in FIG.
As shown in (b), on the lower surface, similarly to the lower surface of the upper member 1, a plurality of downward concave surfaces 8 adapted to the shape of the steel tubing 5
b is provided, and the upper surface is also provided with an upward concave surface 8a of the same shape. Further, FIG.
As shown in (b), it is preferable to provide grooves 9 on both sides of the intermediate member into which the binding tape 4 enters. However, in the case of the intermediate member 2, a groove is not necessary as in the case of the upper and lower members, and is not limited to the groove as long as the position of the binding tape 4 can be fixed. The following may be provided. Further, as shown in FIG. 2 (b), the intermediate member having the above shape is not a solid member, but is provided with the hollow portion 12 as long as the rigidity is not impaired. Is also good.

Similarly to the intermediate member, the lower member 3 of the bundling retainer for pipes of the present invention has a plurality of concave surfaces 10a and 10b conforming to the shape of the steel pipes 5 on its upper and lower surfaces, and a bundling tape groove 11 for bundling. Are provided. The plurality of concave surfaces 10b provided on the lower surface facilitate positioning of the stacked steel pipes 5 and prevent lateral displacement.
The shape of the lower member 3 may be lighter (not shown) as in the intermediate member, as long as the rigidity is not impaired.

The bundling retainer for pipes of the present invention comprising the upper and lower members having the above-mentioned shape and the intermediate member disposed between the upper and lower members is combined, for example, as shown in FIG. Thus, the nine steel pipes are firmly and simply bound. Hereinafter, this example will be described. FIG.
1A is a front view showing an example of use of a retainer for binding pipes of the present invention, and FIG. 1B is a side view thereof. In this example of use, an upper member 1 and a lower member are used. Between 3 and 2
The intermediate members 2a and 2b are arranged. As each member, each member of the retainer for binding pipes of the present invention shown in FIG. 2 is used. As shown in FIG. 1, a specific method for binding nine steel pipes is as follows.

First, for example, the lower member 3
And three steel pipes 5 are placed on the concave portions 10a provided on the lower member 3 in such a manner as to be fitted into the respective concave portions. Next, the intermediate member 2b is placed at a position where the downward concave portion 8b of the intermediate member 2b is fitted onto each steel pipe 5, and three intermediate members 2b are further placed on the upward concave portion 8a of the intermediate member 2b. The steel pipes 5 are placed so as to fit into the respective concave portions. Next, the intermediate member 2a is placed thereon as described above, and three steel pipes 5 are further placed thereon. Finally, the upper member 1 is placed so as to cover it, and
The combination as shown in (a) is completed. Thereafter, the steel tape 4 is wound so as to be arranged in a tape groove provided in each member, and then the tape 4 is pulled and tightly bound. At this time, the tape 4 can be easily wound because the tape grooves are provided on all the outer circumferences. As a result, as shown in FIG.
Since the steel pipes 5 are tightly bound in a stable state, the steel pipes can be transported in this state without causing collapse of the load.

[0017]

As described above, according to the present invention, the rigidity can be improved despite its simple shape, so that the work of fixing and bundling a plurality of pipes can be easily performed. And, by using a binding tape such as a steel tape, and a binding metal fitting for fastening these binding tapes, a plurality of pipes can be easily and firmly bound, and as a result, a plurality of pipes can be bound. Provided is a bundling retainer for pipes, which achieves efficiency in pipe transfer or storage work. In addition, according to the present invention, since the waste material is a resin consisting essentially of hydrocarbons, pipes that can achieve economical efficiency and global environmental protection as a result of thermal recycling and easy use of resources can be easily achieved. Is provided. Furthermore, according to the present invention, since the molding of the resin containing dicyclopentadiene as a main raw material can be performed by a two-liquid reaction type RIM, the molding cost can be reduced, and a molded article having a complicated shape can be easily manufactured. Thus, an inexpensive and comprehensively retaining device for binding pipes is provided.

[Brief description of the drawings]

FIG. 1 is a plan view (a) and a side view (b) for explaining a configuration of an example of a retainer for binding pipes of the present invention.

FIG. 2 is a perspective view showing the shape of each member of the bundling retainer for pipes shown in FIG.

FIG. 3 is a plan view (a) and a side view (b) for explaining a configuration of another example of the binding retainer for pipes of the present invention.

4 is a perspective view for explaining the shape of the upper member of the bundling retainer shown in FIG. 3;

FIG. 5 is a partial schematic view for explaining a use state of the retainer for binding pipes shown in FIG. 3;

[Explanation of symbols]

 1: upper member 2, 2a, 2b: intermediate member 3: lower member 4: binding tape 5: pipes (steel pipes) 7, 9, 11: tape groove 8a, 8b, 10a, 10b: concave portion 12: hollow portion 13 : Notch flat part 14: Walls 14 and 14 ′ forming groove 7 15: Binding metal fitting 16: Fastener

Claims (3)

[Claims] 1. A retainer for binding pipes, comprising a resin containing dicyclopentadiene as a main raw material. 2. The retainer for binding pipes according to claim 1, wherein the resin is obtained by reaction injection molding. 3. It comprises at least upper and lower members and an intermediate member disposed between the upper and lower members, and each member is
2. The retainer for binding pipes according to claim 1, wherein the retainer has a shape having a plurality of recesses that can be fitted to the outer circumference of pipes and a groove for arranging a binding tape on at least one surface of the outer circumference of the upper and lower members. .