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2 229 454

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IPC

(21) (22)

Application

2002111580/03, 2002-04-29

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Start date

2002-04-29

(22)

Actual filing date

2002-04-29

(45)

Published

2004-05-27

(72)

Inventor

Barmin M.I.Grebenkin A.N.Pavlichenko V.V.Mel'Nikov V.V.Kempi E.G.Bojko A.I.Chernikov N.S.

(73)

Holder

Sankt-Peterburgskij Gosudarstvennyj Universitet Tekhnologii I Dizajna Sankt-Peterburg, Ul. B. Morskaja,

RAW MEAL FOR FABRICATING CERAMIC BRICK Russian patent published in 2004 - IPC

Abstract RU 2229454 C2

FIELD: manufacture of building materials. SUBSTANCE: raw meal contains 77.5-80% of Cambrian lumpy clay from deposit Tsekalovsky, 12-15% of mortar sand with fineness modulus 2-2.5, and 5-95% of combustible fibrous additive (cellolignin) with moisture content 4-6% and dispersity 0.5-1 mm. EFFECT: reduced specific weight and heat conductivity of brick at the same or higher compaction strength. 1 tbl

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RU 2 229 454 C2

Authors

Barmin M.I.

Grebenkin A.N.

Pavlichenko V.V.

Mel'Nikov V.V.

Kempi E.G.

Bojko A.I.

Chernikov N.S.

Dates

2004-05-27—Published

2002-04-29—Filed