B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/641
B29C 44/16 (2006.01)
Patent
CA 1197359
ABSTRACT OF THE DISCLOSURE 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.
423813
Hirano Yutaka
Kawai Hiroki
Fetherstonhaugh & Co.
Nikken Sakkei Ltd.
Sumitomo Corporation
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