Method for confirming pipe joint width and pipe joint

A pipe joint and width technology, applied in the field of pipe joints, can solve problems such as axial movement between pipe joints and water pipes

Inactive Publication Date: 2008-09-03
萩谷 博
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This type of pipe joint can indeed offset the difference between the water pipes and complete the tight connection between the water pipes within the public tolerance. Those who can successfully complete the connection between water pipes; however, when this type of pipe joint is in use, if it is under pressure or in thermal motion, there is still the possibility of axial movement between the pipe joint and the water pipe
[0007] Therefore, over a long period of time, the joint relationship between the water pipe and the water pipe can no longer maintain a tight and watertight connection.

Method used

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  • Method for confirming pipe joint width and pipe joint
  • Method for confirming pipe joint width and pipe joint
  • Method for confirming pipe joint width and pipe joint

Examples

Experimental program
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Embodiment Construction

[0023] See figure 1 , The pipe joint made by the present invention is composed of two shells 1 with a semicircular section and a gasket 2 sandwiched between the two shells 1 . The shape of the pipe joint is the same as that of a general traditional pipe joint. It also has a perforation at the end for combination, and a combination of a screw and a nut for fixing the two semicircular shells. Since the structure here is the same traditional pipe joint, it will not be described in detail.

[0024] The inner surface of the first casing 1 is provided with a gasket groove 11 which can accommodate the sealing gasket 2, and a first side tooth 12 and a second side are respectively provided at the opposite side surfaces of the gasket groove 11. tooth 13. A notch 111 and a tongue 112 are respectively formed at both ends of the spacer groove 11; The combined device when the shells 1 are combined.

[0025] see you again figure 2 as well as image 3 with Figure 3A , the first tooth...

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Abstract

The present invention provides a method for determining pipe joint width by distance of locked groove of two adjacent water pipes and the pipe joint thereof, especially a pipe joint comprised of two arc semi-bodies. Inside of each semi-body is two shoulder parts (a first boundary tooth and a second boundary tooth) face to face formed along inner surface of semi-body, the first boundary tooth and the second boundary tooth are formed inside of the each semi-body in inclined and parallel type, and the thickness summation of the first boundary tooth and the second boundary tooth maintains a certain value.

Description

technical field [0001] The invention relates to a pipe joint, in particular to a pipe joint composed of two semi-arc halves, which are combined with each other to form an annular pipe joint by means of a tongue and an alcove. Background technique [0002] A general pipe joint is usually composed of two arc or semicircular halves, and the end of each half is respectively provided with a tongue and an alcove that can accommodate the tongue inside; In this way, when the two halves are combined with each other, the tongue of one half can be accommodated in the alcove of the other half, thus forming a complete combination. [0003] Generally, whether the water pipes are buried in the ground or installed on the surface, pipe joints are required to maintain the tight connection between the water pipes and the extension of the pipeline. And this kind of water pipe all can be formed with annular fastening groove on the outside of its end, and pipe joint then is arranged at this fast...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L21/06
Inventor 萩谷博
Owner 萩谷 博
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