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Reinforced flaring-type winding-structure wall pipe

A structural wall pipe, flared technology, applied in the direction of pipes, rigid pipes, pipe connection arrangements, etc., to achieve the effect of reducing comprehensive costs, expanding connection types, and reducing service costs

Inactive Publication Date: 2011-02-02
杭州联通管业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention provides a reinforced flared winding structure wall pipe material with good sealing performance, which improves the resistance to external load impact and uneven settlement, and solves the problem of closed water test.

Method used

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  • Reinforced flaring-type winding-structure wall pipe
  • Reinforced flaring-type winding-structure wall pipe

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0012] Such as figure 1 As shown, this reinforced flaring type winding structure wall pipe includes a socket pipe fitting 1 and a socket pipe material 2, and the connection between the socket pipe fitting and the socket pipe material is a flared socket socket 3, that is, the mouth of the socket pipe fitting is designed as an outer "eight" "Type mouth, the diameter of the smallest end of the socket pipe fitting is consistent with that of the socket pipe material, and the flared part of the socket pipe fitting is connected with the socket pipe material with a wedge-shaped sealing ring; a stop strip 5 is provided beside the wedge-shaped sealing ring. The outer "eight" type mouth of the socket pipe fitting is provided with a slope 6 of 3 degrees.

[0013] Socket pipe fittings and socket pipes adopt special welding equipment. Under certain technological conditions, through various technological processes, a reinforced welding joint 7 is made, so that the pipe and pipe fittings are ...

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Abstract

The invention provides a reinforced flaring-type winding-structure wall pipe, relating to a high density polyethylene pipe. The pipe comprises a bell end pipe fitting and a jack pipe, and the main technical characteristics are as follows: the joint of the bell end pipe fitting and the jack pipe is a flaring-type socket, namely the bell end pipe fitting is designed into an external splayed type opening; the diameter of the smallest end of the bell end pipe fitting is the same as the diameter of the jack pipe; the flaring part of the bell end pipe and the jack pipe are connected by a sealing ring; and the external splayed type opening of the bell end pipe fitting is provided with an inclined plane of 3-4 degrees. The reinforced flaring-type winding-structure wall pipe can improve the resistive property to external load impact and differential settlement and solves the problem of watertightness tests.

Description

Technical field: [0001] The invention relates to a high-density polyethylene pipe. Background technique: [0002] Due to the influence of factors such as the tightness and deformation of the pipe itself, high-density polyethylene pipes have engineering problems such as excessive water accumulation, large settlement, and the prohibition of using open lights and open flames. When subjected to external load impact and uneven settlement, due to the asynchronous deformation of the socket pipe fittings and the pipe, there are problems in the water-tightness test caused by the thermal expansion and contraction of the pipe, the different sizes of the pipe, and the socket not in place, which affect the installation of the pipe. Invention content: [0003] The invention provides a reinforced flared winding structure wall pipe material with good airtightness, which improves the ability to resist the impact of external loads and uneven settlement, and solves the problem of closed wate...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L47/10F16L9/16F16L47/02
Inventor 汤成群陈毅明余波徐星荣
Owner 杭州联通管业有限公司