Anhydrite cellular concrete and composite building elements
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United States of America Patent
Stats
-
Nov 11, 1980
Issued Date -
N/A
app pub date -
Dec 13, 1978
filing date -
Nov 30, 1976
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
New light, strong, non-shrinking cellular concrete having good thermal and acoustic insulating properties prepared by incorporating aluminum and an alkaline agent capable of producing a gas when reacted with the aluminum within an anhydrite binder, placing the mixture in a mold, and permitting it to expand to a cellular product and cure. The products are useful as building materials. The invention includes the production of building elements comprising the cellular anhydrite product as described above adhered to at least one layer of a substantially non-cellular or dense facing layer made with an anhydrite binder or sandwiched between and adhered to non-cellular facing layers both made with an anhydrite binder.
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Family
International Classification(s)
Cited Art Landscape
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