Method of foaming a foamable composition in a sealed sack
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United States of America Patent
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Nov 12, 1985
Grant Date -
N/A
app pub date -
Mar 24, 1983
filing date -
Mar 24, 1982
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention concerns a construction material, which is produced by pouring a foamable composition into a hermetically sealed sack consisting of thin sheets and causing foaming of the poured foamable composition, the hermetically sealed sack being elastically or plastically deformed by the pressure produced with the foaming of the foamable composition and held in a predetermined shape with the solidification of the foamable composition after the foaming thereof, and also a method of manufacturing the same construction material. The construction material is light in weight and has satisfactory mechanical strength and rigidity.
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