DEVICE FOR METAL-PLATING OF LENGTHY PIPES Russian patent published in 1997 - IPC

FIELD: metal-plating technology. SUBSTANCE: this relates to gas-thermal spraying and can be used in various branches of industry such as in laying pipelines, in civil engineering, petroleum processing, storing of petroleum products to increase corrosion-resistance of lengthy steel pipes including small-diameter pipes. Device has power-driven pushing bogie 33 and pulling bogie 13 which are provided with collets for alternate fastening one of pipe ends with possibility of turning around axis, mounted in guide members before cleaning chamber 25 and after metal-plating chamber 6 respectively. Device is also provided with additional technological apparatus and each of them is fixed in corresponding chamber at certain distance from main apparatus for possible actuation at complete spending of technological material in main apparatus. Roller supports 3, 14 can be lifted. EFFECT: high efficiency. 2 cl, 5 dwg