Apparatus and method to produce foam, and foamed concrete
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United States of America Patent
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-
Dec 6, 1988
Issued Date -
N/A
app pub date -
Apr 10, 1987
filing date -
Jan 12, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method for forming foam, useful in mixing with concrete at a batching plant, includes the steps: (a) supplying a synthetic resinous foaming agent, in liquid form, (b) combining the foaming agent with water, to form a liquid mix, and pressurizing the mix, (c) adding pressurized gas to the mix, (d) sub-dividing the mix into droplets, in a confined flowing stream, (e) reducing the stream confinement, (f) whereby the droplets expand as foam, typically consisting of individual, gas filled bubbles.
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Cited Art Landscape
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