Continuous production of building elements having cellular cores

Details Continuous production of building elements having cellular cores Continuous production of building elements having cellular cores

1980-03-07

1982-01-26

Lowe, James B.

Plastic and nonmetallic article shaping or treating: processes

Treatment of material by vibrating, jarring, or agitating...

Continuously formed or indefinite length article

264 458, 264112, 264126, 264145, 264171, 264255, B29D 2704, B29D 300

Patent

active

043128220

ABSTRACT:
A method of 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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