Concrete

Details Concrete Concrete

B - Operations, Transporting

28

C

261/48

B28C 7/16 (2006.01) B28C 5/08 (2006.01) B28C 5/38 (2006.01) C04B 28/04 (2006.01) C04B 28/24 (2006.01)

Patent

CA 1162949

IMPROVEMENTS RELATING TO CONCRETE ABSTRACT A method of producing aerated concrete, that is, concrete in which a gas is entrained, comprises forming a mortar mix, which includes all the components of the concrete except for the gas. The mix is then pumped at a predetermined rate, to blending means 21. Gas is fed under pressure to blending means 21 via control valves 31 and 51. The blending of the mix with the gas takes place in a substantially closed chamber 25.

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