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(19)

(11)

2 373 167

(13)

(51)

IPC

C04B28/04(2006-01-01)

C04B18/16(2006-01-01)

C04B111/82(2006-01-01)

(21) (22)

Application

2008115184/03, 2008-04-17

(24)

Start date

2008-04-17

(22)

Actual filing date

2008-04-17

(45)

Published

2009-11-20

(72)

Inventor

Talpa Boris Vasil'EvichKotljar Vladimir DmitrievichBondarjuk Anna Grigor'Evna

(73)

Holder

Talpa Boris Vasil'EvichKotljar Vladimir DmitrievichBondarjuk Anna Grigor'EvnaGosudarstvennoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Gosudarstvennyj Stroitel'Nyj Universitet"

RAW MIX FOR PRODUCTION OF NONFIRED ITEMS Russian patent published in 2009 - IPC C04B28/04 C04B18/16 C04B111/82

Abstract RU 2373167 C1

FIELD: construction.

SUBSTANCE: raw mix for production of nonfired pressed construction items contains the following components, wt %: limestone with particle size of not more than 5 mm - 65-86, Portland cement with grade not below 400 - 5-9, cement dust - 5-30.

EFFECT: improved strength and frost resistance of brick, its even coloring and no chipping of sides, reduced prime cost.

3 tbl, 1 ex

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RU 2 373 167 C1

Authors

Talpa Boris Vasil'Evich

Kotljar Vladimir Dmitrievich

Bondarjuk Anna Grigor'Evna

Dates

2009-11-20—Published

2008-04-17—Filed