Arrangement for connecting two tubular elements

Details Arrangement for connecting two tubular elements Arrangement for connecting two tubular elements

1998-02-11

2000-08-15

Melius, Terry Lee

Pipe joints or couplings

Particular interface

Interlocked or overlapped

285921, 277626, F16L 2500

Patent

active

061024481

ABSTRACT:
An arrangement for connecting two pipe ends comprising a respective closure part around each of the pipe ends. The closure parts are connected together in a bayonet-type connection. One closure part includes an annular surface with a first part parallel to a sealing device placed between the pipe ends and with a second part inclined with respect to the sealing device. The latter part draws the closure parts and the pipe ends together as the closure parts are rotated relatively toward each other and as the one closure part is guided along the inclined portion of the annular surface. A respective sealing surface is provided on each of the pipe end parts. The sealing surfaces are brought axially toward each other by movement together of the closure parts. A sealing device is clamped between the sealing surfaces on the pipe ends, when they are brought together by rotating the closure parts, for providing a pressure-tight closure of the pipes at the sealing surfaces, in that rotation of the closure parts to the locked position draws the sealing surfaces against the sealing device, while rotation of the closure to the unlocked position before the closure parts are separated moves the sealing surfaces off sealing against the sealing device, whereby the sealing device is clamped only in the axial direction.

REFERENCES:
patent: 3248133 (1966-04-01), Michnoff
patent: 3494414 (1970-02-01), Warner
patent: 5219188 (1993-06-01), Abe et al.

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