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2 022 694

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IPC

(21) (22)

Application

4907445/02, 1991-02-04

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Actual filing date

1991-02-04

(45)

Published

1994-11-15

(72)

Inventor

Zemskov G.A.Lukovnikov V.S.Bojko Ju.P.Rozhkov A.G.Zhavoronkov Ju.I.Evteev D.P.Shejnfel'D I.I.Bykov L.A.Nikolaev B.N.

(73)

Holder

Proizvodstvennoe Ob"Edinenie

METHOD OF COOLING OF THE BLANKS IN TWO-TIER MOULD Russian patent published in 1994 - IPC

Abstract RU 2022694 C1

FIELD: foundry. SUBSTANCE: condition of continuous pulsating motion of the water-air mixture is formed in the ducts of the upper and lower tiers of the mould. Water-air mixture with coefficient of volume air composition of 0.5-0.6 is used in the cooling ducts of the upper tier, that with coefficient of volume air composition of 0.8-0.9 being used in the cooling ducts of the lower tier of the mould. Water flow rate in the ducts of the lower tier accounts for 0.1-0.2 from that in the ducts of the upper tier of the mould. EFFECT: enhanced efficiency of cooling. 1 tbl

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RU 2 022 694 C1

Authors

Zemskov G.A.

Lukovnikov V.S.

Bojko Ju.P.

Rozhkov A.G.

Zhavoronkov Ju.I.

Evteev D.P.

Shejnfel'D I.I.

Bykov L.A.

Nikolaev B.N.

Dates

1994-11-15—Published

1991-02-04—Filed