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RF steel plastic composite strengthened winding pipe

A steel-plastic composite and winding pipe technology, which is applied in the direction of pipes, rigid pipes, pipes/pipe joints/pipe fittings, etc., can solve problems such as cracking and low rigidity of plastic-steel wound steel pipes, and achieve reduced impact, good rigidity of the pipe body, and increased rigidity Effect

Pending Publication Date: 2017-12-22
GUANGXI JINSHENG TECH DEV
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

Plastic-steel wound steel pipes face the problem of low rigidity and failure to bear the pressure and rupture

Method used

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  • RF steel plastic composite strengthened winding pipe
  • RF steel plastic composite strengthened winding pipe
  • RF steel plastic composite strengthened winding pipe

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0022] The present invention will be further described below in conjunction with examples, but the present invention is not limited to these examples.

[0023] RF steel-plastic composite reinforced winding pipe, the pipe body is formed by spiral winding of steel-plastic composite tape, the main body of the tape is made of RF polyethylene material, the inner layer 1 and the outer layer 2, the inner layer 1 and the outer layer 2 The airtight cavities 3 distributed at equal intervals are formed between them, the vertical cavity wall and the inner and outer layers form an I-shaped structure, and a steel strip 4 with an I-shaped cross section is set in the I-shaped structure, as shown in the attached figure 1 , 2 shown.

[0024] Both sides of the strip are stepped male-female joints. When the strip is wound spirally, the male-female joints are occluded and bonded to form a whole. The occlusal surfaces corresponding to the joints are provided with corresponding mortise joint struct...

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PUM

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Abstract

The invention provides an RF steel plastic composite strengthened winding pipe. The RF steel plastic composite strengthened winding pipe comprises a pipe material body formed by spiral winding of a steel plastic composited strip, the strip comprises an inner layer and an outer layer, seal cavities distributed at equal intervals are formed between the inner layer and the outer layer, an I-shaped structure is formed by the cavity walls, the inner layer and the outer layer, and a steel strip with the I-shaped section is arranged in the I-shaped structure; the inner layer and the outer layer are made of RF polyethylene materials, and the interior of the inner side of the pipe material body is coated with a protection core layer. The RF steel plastic composite strengthened winding pipe has the beneficial effects that the steel strip is firm in positioning, and the pipe body rigidity is good.

Description

technical field [0001] The invention relates to the technical field of winding pipes, in particular to an RF steel-plastic composite reinforced winding pipe. Background technique [0002] The steel-plastic winding pipe is made of steel-plastic composite strips that are spirally wound and welded, and overlapped at the edges. The formed pipe has a spiral straight rib structure, which is generally composed of inner polyethylene, spirally arranged steel belt and outer spiral corrugated outer polyethylene, and the spiral steel belt is arranged between the outer polyethylene and the inner polyethylene. [0003] Most of the existing pipes are equipped with strip steel plate shaped as a vertical structure, which is wound vertically in the pipe body. During the construction or transportation process, due to the action or influence of external force or long-term harsh environment, it is easy to puncture the outer wall of the pipe, causing The overall service life of the pipe is short...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L9/16F16L9/18F16L9/21
CPCF16L9/16F16L9/18F16L9/21
Inventor 韦俊有
Owner GUANGXI JINSHENG TECH DEV
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