METHOD AND DEVICE FOR ASSEMBLING CYLINDRICAL PIPELINE IN TRENCH HAVING OPENED TOP Russian patent published in 2005 - IPC

Abstract RU 2248491 C2

FIELD: building, particularly construction of underground pipelines.

SUBSTANCE: device adapted to perform movement along trench comprises container for pipeline billets, means for progressive extraction thereof, hardening resin storage tank, means for continuous impregnating fibrous billet base with hardening resin as billet is fed in trench, means for pumping compressed air into billet cut to impart cylindrical shape to it after billet laying in trench and resin hardening means. Fibrous billet base is provided with loom of crossing threads. Method of pipeline assembling involves arranging billet cut near trench; impregnating fibrous billet base with hardening resin; covering billet cut with tubular protective shell; laying billet cut in flattened state into trench in top-down direction; closing ends thereof; pumping compressed air with the use of pneumatic means to impart cylindrical shape to billet cut; hardening resin by heating thereof with the use of electrical resistors built in fibrous billet blank.

EFFECT: simplified pipeline assemblage.

8 cl, 14 dwg

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RU 2 248 491 C2

Authors

Korr P'Er-Iv

Lejton Dzhejms

Sal'Tel' Zhan-Lui

Dates

2005-03-20Published

2000-03-01Filed