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2 094 164

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C1

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IPC

(21) (22)

Application

96106924/02, 1996-04-09

(22)

Actual filing date

1996-04-09

(45)

Published

1997-10-27

(72)

Inventor

Itkis Z.Ja.Nikiforov A.P.Nikiforov S.A.Nikiforova M.V.Afonaskin A.V.Trudonoshin A.N.

(73)

Holder

Cheljabinskij Gosudarstvennyj Tekhnicheskij Universitet

METHOD OF MANUFACTURING CASTING MOLDS AND CORES Russian patent published in 1997 - IPC

Abstract RU 2094164 C1

FIELD: foundry. SUBSTANCE: strengthening of cores when manufacturing casting molds and cores involving passing gas hardener on one side of core, gas is preheated to 60-180 C and is simultaneously taken away on the other side by means of evacuation to reduced pressure ranging from 0.02 to 0.065 MPa. EFFECT: optimized process parameters. 4 tbl

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RU 2 094 164 C1

Authors

Itkis Z.Ja.

Nikiforov A.P.

Nikiforov S.A.

Nikiforova M.V.

Afonaskin A.V.

Trudonoshin A.N.

Dates

1997-10-27—Published

1996-04-09—Filed

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