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2 061 945

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C1

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IPC

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Application

93003470/06, 1993-01-20

(22)

Actual filing date

1993-01-20

(45)

Published

1996-06-10

(72)

Inventor

Lipets A.U.Andreeva A.Ja.Terekhov V.M.Orekhov V.E.Ippolitov B.I.Janov S.I.Gordeev V.V.Shelobodkin A.V.Sherman G.Ja.Zver'Kov B.V.Fedorinov V.N.Golev V.A.Orekhova N.I.

(73)

Holder

Aktsionernoe Obshchestvo Sovmestnoe Predprijatie Mashinostroitel'Nyj Zavod"

CONVECTIVE HEATING SURFACE, MANUFACTURING PROCESS FOR ITS COILS, AND DEVICE FOR BENDING FINNED TUBES Russian patent published in 1996 - IPC

Abstract RU 2061945 C1

FIELD: thermal engineering; heating surfaces built up of cross-finned tubes. SUBSTANCE: parameters of finned tubes used for convective heating surfaces are of optimal relations. Coil is built up of several parts of pre-finned straight tubes whose ends are made free from fins and function as auxiliary sections; first tube is bent, butt-welded to next straight tube, weld is cleaned off internal carbon deposit, then bends are made on part being joined; mentioned operations are repeated for each tube being joined until coil or its desired part is ready. Device for bending finned tubes has bending template working groove of width equal to outer diameter of finned tube and its depth is at least half its width. EFFECT: facilitated bending procedure. 3 cl, 2 dwg

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RU 2 061 945 C1

Authors

Lipets A.U.

Andreeva A.Ja.

Terekhov V.M.

Orekhov V.E.

Ippolitov B.I.

Janov S.I.

Gordeev V.V.

Shelobodkin A.V.

Sherman G.Ja.

Zver'Kov B.V.

Fedorinov V.N.

Golev V.A.

Orekhova N.I.

Dates

1996-06-10—Published

1993-01-20—Filed

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