FIELD: pipe line transport; erection of pipe lines in gas and oil producing industry and in public utilities. SUBSTANCE: bushes made from corrosion-resistant metal are preliminarily secured on inner surface of ends of pipes by radially crimping them; final securing of these bushes is effected by reducing ends of pipes over length of bushes by amount not exceeding amount of radial reduction of ends of pipes. EFFECT: simplified technology; low cost. 5 cl, 2 dwg
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Authors
Dates
2000-08-10—Published
1999-07-21—Filed