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Improvements in and relating to pipe coupling

A technology for pipe joints and pipes, applied in the direction of pipe/pipe joint/pipe fitting, pipe element, sleeve/socket connection, etc., can solve the problems of health and safety, negative environmental impact, poor assembly, etc.

Inactive Publication Date: 2016-03-23
JCCO331
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, welded seams have the disadvantages of requiring skilled labor and having a negative impact on health and safety as well as the environment
Also, such seams may have been intentionally poorly fitted by disgruntled employees

Method used

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  • Improvements in and relating to pipe coupling
  • Improvements in and relating to pipe coupling
  • Improvements in and relating to pipe coupling

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0038] image 3 The first and second conduits 140, 142 are shown of the type having an annular groove 146 positioned in their outer surface near one end. An annular gasket 151 is provided which creates a fluid-tight seal between the respective ends of the tubes. exist Figure 4 The form of the gasket 151 is seen more clearly in , which shows a section through it. The gasket has a generally T-shaped cross-section, with a central 'upright' portion 152 arranged to be positioned between the ends of each duct 140,142. The 'horizontal' portions 153 of the T-shape terminate in sections arranged to contact the exterior of the pipe and provide a snug fit around the outer circumference of the end portion of the pipe.

[0039] The gasket is made of an elastic sealing material and may for example be molded from natural or synthetic rubber. Other materials from which this gasket can be manufactured include: Ethylene Propylene Diene Monomer (EPDM) (typically used when the fluid being con...

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PUM

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Abstract

Disclosed is a pipe coupling for connecting the ends of two tubular conduits, comprising: a pair of casing elements (200), each comprising an outer part (210) and a pair of inner parts (220), the inner and outer parts being rotatable relative to each other, wherein in a first configuration, the pair of casing elements (200) are separate and positionable to surround the ends of the tubular conduits and, in a second configuration, they are locked together, wherein the locking together is achieved by relative rotation of the respective inner (220) and outer (210) parts such that the inner parts (210) of one casing element (200) at least partially engage with the outer part (210) of the other casing element (200).

Description

technical field [0001] The present invention relates to a coupling for connecting a plurality of tubular pipes, in particular for connecting lengths of pipe as part of a fluid conveying system. Background technique [0002] Fluid delivery systems for transporting materials such as liquids and gases are known. The system may include a municipal plumbing system installed within a building for transporting eg water or oil. These plumbing systems can include piping for building heating systems, fire sprinkler systems, and upstream mains piping and waste water piping. These systems can also include oil and gas pipelines used to carry fuel for thousands of miles and pipeline systems used in mining applications. Tubular conduits used in the fluid delivery of fuel can be made from different metals, including steel, iron, copper, aluminum, and plastic. [0003] For smaller diameter pipe, push-fit pipe fittings are available. However, for pipe diameters greater than about 5 cm, th...

Claims

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Application Information

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IPC IPC(8): F16L17/04F16L21/08
CPCF16L17/04F16L55/1608F16L37/0925F16L21/08F16L21/06F16L23/04F16L37/10
Inventor 保罗·戴维森
Owner JCCO331
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