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RU

(11)

2 012 411

(13)

C1

(51)

IPC

(21) (22)

Application

5004753/33, 1991-07-01

(22)

Actual filing date

1991-07-01

(45)

Published

1994-05-15

(72)

Inventor

Sivachenko L.A.Seleznev N.G.Davydchik I.A.Basharimova V.N.Leshcheva M.V.

(73)

Holder

Nauchno-Tekhnicheskij Kooperativ

SCREW MILL Russian patent published in 1994 - IPC

Abstract RU 2012411 C1

FIELD: milling devices. SUBSTANCE: mill has frame, milling chamber, working member in the form of concentrically positioned arch-bent spirals. From one side ends of spirals are mounted on main support shaft and their other ends on hollow axle of additional support. Diameter or width of spiral cross-section profile increases proportionally to outer diameter of respective spiral. EFFECT: improved efficiency, high quality of milling. 4 cl, 2 dwg

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RU 2 012 411 C1

Authors

Sivachenko L.A.

Seleznev N.G.

Davydchik I.A.

Basharimova V.N.

Leshcheva M.V.

Dates

1994-05-15—Published

1991-07-01—Filed

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