Ultra-high molecular weight polyethylene composite pipe

A polyethylene composite pipe, ultra-high molecular weight technology, applied in the direction of pipes/pipe joints/fittings, pipes, rigid pipes, etc., can solve the problems of looseness and slippage, water leakage angle recommendation at the interface, etc., to avoid looseness and slippage, good sealing, The effect of avoiding water leakage

Active Publication Date: 2020-09-15
山东东方管业有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to propose an ultra-high molecular weight polyethylene composite pipe in order to solve the problems of water leakage at the interface, angle recommendation and loosening and sliding

Method used

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  • Ultra-high molecular weight polyethylene composite pipe
  • Ultra-high molecular weight polyethylene composite pipe
  • Ultra-high molecular weight polyethylene composite pipe

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Embodiment approach

[0029] As an embodiment of the present invention, a buffer groove 19 is provided on the outer side of the waterproof plug 17; the cross section of the buffer groove 19 is a V-shaped structure; When working, the waterproof plug 17 is easily bulged and cracked at the middle position during the long-term extrusion process. Therefore, the present invention provides a buffer groove 19 on the outside of the waterproof plug 17 during the impact process. The position is the first place to be compressed, so that the deformation occurs in advance, so that the two sides of the buffer groove 19 are squeezed and fitted, while ensuring the sealing performance, it is ensured that the middle part of the waterproof plug 17 will not bulge and crack, which will cause the use of The service life is reduced, which further reduces the possibility of water leakage at the interface; and the buffer groove 19 of the V-shaped structure can deform faster when under pressure, improve the buffer effect and ...

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Abstract

The invention relates to the technical field of polyethylene composite pipes, in particular to an ultra-high molecular weight polyethylene composite pipe. The ultra-high molecular weight polyethylenecomposite pipe comprises a first metal shell and a second metal shell connected with the first metal shell in a clamped mode, a first plastic shell is welded to the inner surface wall of the first metal shell, and a second plastic shell is welded to the inner surface wall of the second metal shell. According to the ultra-high molecular weight polyethylene composite pipe, one side, far away from the first metal shell, of an extension tube is attached to a buffer pad, so that sealing between the first plastic shell and the second plastic shell is realized, water leakage of an interface is avoided, a second fixing nut is clamped due to the inclined plane structure of an inclined cushion block, and fixation between the first metal shell and the second metal shell is realized; and meanwhile, due to the fact that a U-shaped clamping plate is attached to the inclined cushion block, the U-shaped clamping plate and a plane clamping plate are prevented from loosening and sliding off.

Description

technical field [0001] The invention relates to the technical field of polyethylene composite pipes, in particular to an ultra-high molecular weight polyethylene composite pipe. Background technique [0002] Ultra-high molecular weight polyethylene composite pipe is composed of steel pipe and ultra-high molecular weight polyethylene pipe. The steel pipe is used as the outer protection pipe to protect the inner pipe and withstand high pressure. Lined pipe Ultra-high molecular weight polyethylene pipe, wear-resistant and anti-corrosion. [0003] Ultra-high molecular weight polyethylene composite pipes are now widely used in the petroleum industry. However, the current ultra-high molecular weight polyethylene composite pipes have the following problems. First, there will be water leakage at the interface. Angle adjustment; Finally, for the problem of loosening after prolonged use; [0004] Accordingly, the present invention proposes an ultra-high molecular weight polyethylene...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L19/03F16L19/025F16L9/147
CPCF16L9/147F16L19/0212F16L19/025
Inventor 蒋欣雨唐贤律
Owner 山东东方管业有限公司
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