Apparatus for the continuous production of building elements having cellular cores
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United States of America Patent
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Sep 21, 1982
Issued Date -
N/A
app pub date -
Jan 19, 1981
filing date -
Aug 10, 1971
priority date (Note) -
Expired
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Abstract
Apparatus for forming, in two steps, panel, or shaped article, by first providing a bath of fluent cementitious material under a core of cellular, preexpanded and cohered polystyrene cells or pearls, having a density less than that of the cementitious material, allowing the core partially immersed to rise in a controlled way over the cementitious material, maintaining the core under pressure until the bath has partially set to prevent further rise of the core, pouring onto the core and partially set bath, a second quantity of fluent cementitious material to completely enrobe the core and form thereover a top revetment, smoothing the surface of the second quantity of cementitious material and letting it set to complete the panel.
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