METHOD OF MANUFACTURE OF PIPE LINE UNIT AND PIPE LINE UNIT USED FOR REALIZATION OF THIS METHOD Russian patent published in 2002 - IPC

FIELD: construction engineering; laying pipe lines at different turns and in different planes. SUBSTANCE: proposed method consists in cutting the starting pipe into sections, assembly of these sections and welding them together. Starting pipe is made from high-strength cast iron. Specification contains mathematical dependences for determination of lengths of pipe line sections, sequence for conducting various procedures and cutting conditions. EFFECT: enhanced reliability of pipe line sections; extended functional capabilities. 13 cl, 4 dwg