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Fire-resistant pipe coupling

A technology of pipe couplings and refractory materials, applied in the direction of pipes/pipe joints/fittings, adjustable connections, pipeline protection, etc., to reduce installation costs, eliminate the need for lubrication, and increase the time saved

Active Publication Date: 2018-01-09
TAYLOR KERR COUPLINGS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Examples

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Embodiment Construction

[0059] The pipe coupling 100 includes a tubular outer housing 102 , a tubular inner housing 104 and a tubular sealing gasket 106 . The tubular outer shell 102 is formed from rolled steel and has a longitudinal gap 108 . The shell is folded back onto itself at its free end and welded at 110 to form a ring 112 along the opposite edge of the longitudinal gap 108 . A pin 114 is inserted into the ring. A tension screw 116 passes through a transverse hole in one of the pins 114 into a threaded transverse hole in the other of the pins 114 to interconnect the two free ends of the outer housing 102 .

[0060] Slots 118 are cut into ring 112 to provide room for screws. The axial end edges of the housing 102 are bent inwardly at right angles to form an annular flange 120 .

[0061]The tubular inner casing 104 is formed from rolled steel and has a longitudinal gap. The axial end edges of the inner housing 104 are bent inwardly at right angles to form an annular flange 122 . The inner...

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Abstract

The present invention relates to fire-resistant pipe couplings (100) for connecting together two plain-ended pipes in a fluid-tight manner. The pipe coupling (100) comprises: a tubular casing comprising: an outer tubular casing (102); and an inner tubular casing (104), fitting entirely inside the outer casing (102); a tubular sealing gasket (106) disposed within the inner tubular casing (104); andmeans (116) for tensioning the casing around the gasket (106). The casing further comprises: at least one layer of fire-resistant material (124) disposed between the inner (104) and outer (102) casings; and at least one layer of thermally-insulating material (128) disposed between the tubular sealing gasket (106) and the inner casing (104), whereby the outer casing (102) and tubular sealing gasket (106) are thermally insulated from one another.

Description

technical field [0001] The present invention relates to refractory pipe couplings for joining together two plain-end pipes in a fluid-tight manner. In particular, the present invention relates to pipe couplings of the type comprising: a housing; a sealing gasket disposed within the housing; Hermetically sealed device. Background technique [0002] Known pipe couplings of this type are described in our patent applications EP-A-0542779 and EP-A-0900346. [0003] Joining tubes with plain ends by this coupling avoids the need to manipulate the tubes and is therefore faster than other methods such as welding, screwing, flanged, grooved or shouldered And more economical. [0004] Couplings of the type described above are often required for use in systems requiring fire resistance. For such applications, couplings may have to pass specific fire tests. Fire testing typically requires couplings to be subjected to flame temperatures typically of 800°C ± 50°C and under various sim...

Claims

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Application Information

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IPC IPC(8): F16L59/18F16L21/00F16L27/113
CPCF16L21/005F16L27/1133F16L59/182F16L21/065F16L59/18F16L21/06
Inventor 扬·韦布尼尔·约翰·桑顿·泰勒
Owner TAYLOR KERR COUPLINGS
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