C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 18/26 (2006.01) B28B 1/26 (2006.01) C04B 22/06 (2006.01) C04B 28/02 (2006.01)
Patent
CA 2108042
2108042 9217416 PCTABS00016 A building block composition, a building unit and a method of making same. A building block composition to the invention comprises by dry weight: sawdust (20-70 %), cement (20-50 %), plaster or lime (5-20 %). A building block is made from this composition by adding an appropriate amount of water and, in some embodiments, a predetermined amount of glue. In one form of the invention fresh sawdust is used.
Kruss Leon
Rossetto Bruno Angelo
Shapiro Cohen
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