JPH0534159U - Steel pipe packing material - Google Patents

Abstract

(57) [Summary] [Purpose] To provide a packaging material with excellent water resistance to steel pipes. [Structure] A packing surface 1 of a packing material 1 made of timber 2 having an arc-shaped receiving surface 3 on which a steel pipe 4 is mounted is formed into a trapezoidal shape having a flat top 3a and an inclined surface 3b. The retention of water is reduced and the water removal property is improved.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a packaging material for steel pipes, and more particularly to a packaging material having excellent water-wetting resistance for steel pipes.

[0002]

[Prior Art]

 Conventionally, the packaging of steel pipes has been done for the purpose of facilitating the handling during transportation and storage of products, or for the purpose of preventing deformation and bending of pipes during transport, surface damage, contamination, and rust. .. In general, the packaging method and materials used for packaging are selected according to the type and size of the steel pipe, dimensions such as wall thickness and length, or its application.

By the way, as a material used for packing oil country tubular goods such as tubing and casing, a packing material 1 as shown in FIG. 2 is used. That is, the packing material 1 is configured such that a plurality of arcuate receiving surfaces 3 are provided on the upper and lower surfaces of a timber 2 having a rectangular parallelepiped shape so that a steel pipe 4 can be placed. A plurality of steel pipes 4 are arranged in the length direction of the steel pipes 4, a plurality of steel pipes 4 are placed on the receiving surface 3, the lumber 2 is further placed thereon, and then the steel pipes 4 are placed. It is designed to be stacked in columns.

[0004]

[Problems to be solved by the device]

 However, when the steel pipe 4 is stored outdoors using the packing material 1 as described above, if rainwater or the like enters the narrow gap between the receiving surface 3 and the steel pipe 4, it cannot be easily removed and the pipe surface In some cases, or in the worst case, it may cause rusting on the entire surface. In order to prevent such a problem, some of the receiving surfaces 3 with which the surface of the steel pipe 4 comes into direct contact are treated with water resistant paint such as zinc rich paint. There are problems such as the paint peeling off during long-term use and the need to repaint. An object of the present invention is to provide a packaging material for a steel pipe made to solve the above problems.

[0005]

[Means for Solving the Problems]

 The present invention is a packing material made of timber having arcuate receiving surfaces on which steel pipes are placed, and the receiving surface is formed into a trapezoidal shape having a flat top. It is a packaging material.

[0006]

[Work]

 According to the present invention, by forming the receiving surface in contact with the steel pipe into a trapezoidal shape, the contact area with the steel pipe is reduced and the water drainage is improved, so that even if water enters the gap, it is easy to It can be discharged and does not corrode the steel pipe surface.

[0007]

【Example】

 An embodiment of the present invention will be described below with reference to FIG. FIG. 1 (a) is a front view showing an embodiment of the packaging material of the present invention, and FIG. 1 (b) is a sectional view taken along the line AA of FIG. As shown in the figure, the packing material 1 of the present invention uses a rectangular parallelepiped timber 2 having a width W, and an arcuate receiving surface 3 on which a steel pipe 4 is mounted has a narrow flat top 3a having a width t and an inclination. It is formed in a trapezoidal shape including an inclined surface 3b having an angle θ.

Here, the size of the width t of the top portion 3 a of the receiving surface 3 is preferably 1/3 to 2/3 of the width W of the timber 2. The reason for the limitation is that if the lower limit is smaller than 1/3 W, the top 3a of the steel pipe 4 may be compressed when it is placed, and the strength cannot be maintained. Therefore, the number of packing materials is large. It is necessary to do so. On the other hand, if the upper limit is too large, the draining property may be impaired if it is increased, so it is necessary to make it smaller than 2/3 W. Further, it is appropriate that the inclination angle θ of the inclined surface 3b is 15 ° or more in order to improve the drainage property.

[0009]

[Effect of the device]

 According to the present invention, the contact surface with the steel pipe is made small and the inclined surface is provided to make the packing material excellent in water drainage, so that it has excellent water-wetting resistance and does not cause rust on the surface of the steel pipe, and the product quality is good. It is possible to maintain sound health.

[Brief description of drawings]

FIG. 1 (a) is a front view showing an embodiment of a packaging material of the present invention, and FIG. 1 (b) is a sectional view taken along the line AA of FIG.

FIG. 2 is a front view showing an example of a conventional packing material.

[Explanation of symbols]

 1 packing material 2 lumber 3 receiving surface 3a top 3b inclined surface 4 steel pipe

Claims (1)

[Scope of utility model registration request] 1. A packing material made of lumber having an arcuate receiving surface for mounting a steel pipe on the upper and lower surfaces, wherein the receiving surface is formed in a trapezoidal shape having a flat top. Packing material.