C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
259/4, 261/48
C04B 38/10 (2006.01) B28C 5/38 (2006.01) B28C 5/46 (2006.01)
Patent
CA 1222780
Case 4608 ABSTRACT OF THE DISCLOSURE "METHOD OF AND APPARATUS FOR PRODUCING AERATED CEMENTITIOUS COMPOSITIONS" An aerated cementitious composition is produced by feeding a mix- ture comprising cement and foaming agent to a mixing chamber open to atmosphere together with a feed of liquid. The ingredients are mixed and the wetted mixture pumped to a desired site, the capacity of pump- ing being greater than the feed rate of the ingredients into the mix- ing chamber such that air is drawn into the mixing chamber.
453629
Daly Ivor K.
Mills Peter S.
Coal Industry (patents) Limited
Fetherstonhaugh & Co.
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