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2 089 627

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IPC

(21) (22)

Application

94044245/02, 1994-12-15

(22)

Actual filing date

1994-12-15

(45)

Published

1997-09-10

(72)

Inventor

Klimov Vladimir PavlovichBezzubov Aleksandr Vasil'EvichKozlovskij Aleksandr MikhajlovichFedorin Viktor RomanovichPykhov Sergej Innokent'EvichShalin Aleksej PetrovichKhostikoev Mikhail Zaurbekovich

(73)

Holder

Klimov Vladimir PavlovichBezzubov Aleksandr Vasil'EvichKozlovskij Aleksandr MikhajlovichFedorin Viktor RomanovichPykhov Sergej Innokent'EvichShalin Aleksej PetrovichKhostikoev Mikhail Zaurbekovich

METHOD OF CONTINUOUS SUCCESSIVE HEAT TREATMENT OF PIPES AND DEVICE FOR ITS EMBODIMENT Russian patent published in 1997 - IPC

Abstract RU 2089627 C1

FIELD: heat treatment of pipes; applicable in flow-line production of cylinders and plungers of well pumps. SUBSTANCE: the offered method provides for thermodynamic equilibrium in continuously moving zone of heating due to axial load by pipe stretching. The device for embodiment of the offered method includes induction heater, sprayer, closed system of moving including winch connected by means of rope through additional blocks with grips of lower end of pipe and with upper end of pipe through blocks and regulating stretching block of tensioning and dosing of axial load. EFFECT: provision of high accuracy of pipes by straightness of hole axis in their heat treatment and reduced expenditures for straightening of products after heat treatment. 3 cl, 1 dwg

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RU 2 089 627 C1

Authors

Klimov Vladimir Pavlovich

Bezzubov Aleksandr Vasil'Evich

Kozlovskij Aleksandr Mikhajlovich

Fedorin Viktor Romanovich

Pykhov Sergej Innokent'Evich

Shalin Aleksej Petrovich

Khostikoev Mikhail Zaurbekovich

Dates

1997-09-10—Published

1994-12-15—Filed