BRICK Russian patent published in 2009 - IPC C04B33/02 

Abstract RU 2345020 C1

FIELD: construction.

SUBSTANCE: brick contains through-cavities arranged between its countersurfaces with the free area of one of the cavities varying lengthwise. Such a cavity contains at least two lengthwise sections both characterised by the cavity free area first gradually decreasing to reach the minimum value as per the specific section and subsequently gradually increasing to reach the maximum value as per the specific section. 7.0 MPa<σ≤35.0 MPa. The brick is fabricated of clay and sand, their wt % being as follows: clay - 75-59; sand - 25-41 with the clay containing the following components, with concentration per 100 g of clay wt %: SiO2 - 56.05-64.12; Al2O3 - 23.47-24.99; Fe2O3 - 2.47-3.56; impurities - the rest. The brick length and thickness vary within the range of 200-300 mm and 30-140 mm accordingly.

EFFECT: optimisation of the brick heat exchange with the environment during drying, burning and cooling; enhanced power of the mortar cohesion with the cavity surfaces and the brick; improvement of the brick sound insulation properties.

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RU 2 345 020 C1

Authors

Chajka Artem Jur'Evich

Lobko Vladimir Pavlovich

Dates

2009-01-27Published

2007-07-10Filed