Method of foaming a foamable composition in a sealed sack

Details Method of foaming a foamable composition in a sealed sack Method of foaming a foamable composition in a sealed sack

1983-03-24

1985-11-12

Van Balen, William J.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

1563084, 428 71, 428 76, C09J 502, B32B 520, B32B 3114

Patent

active

045526010

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.

REFERENCES:
patent: 3166831 (1965-01-01), Keith
patent: 3294602 (1966-12-01), Francis et al.
patent: 3389195 (1968-06-01), Gianakos et al.
patent: 3419134 (1968-12-01), Fitts
patent: 3619310 (1971-11-01), Clarke
patent: 3654057 (1972-04-01), Olevitch
patent: 3795722 (1974-03-01), Sassaman
patent: 4273827 (1981-06-01), Sweeney et al.

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