PIPE LINE Russian patent published in 2004 - IPC

Abstract RU 2233399 C1

FIELD: pipeline engineering.

SUBSTANCE: pipe line has fiberglass pipes with collars at the ends and expanding coupling. The pipes are provided with additional collars and grooves formed by the faces of the collars. The pipeline is provided with reinforcing unit of the expanding coupling, made of semi-rings or a plastic cover interposed between the faces of the additional collars and the faces of the expanding coupling in the grooves, and locking ring which embraces them.

EFFECT: enhanced reliability.

1 cl, 2 dwg

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RU 2 233 399 C1

Authors

Shaklein O.V.

Dates

2004-07-27—Published

2003-03-07—Filed