Apparatus for the continuous production of building elements hav

Details Apparatus for the continuous production of building elements hav Apparatus for the continuous production of building elements hav

1981-01-19

1982-09-21

Lowe, James B.

Plastic article or earthenware shaping or treating: apparatus

Distinct means to feed, support or manipulate preform stock...

Endless surface means to shape fluent material

425125, 425127, 425220, 425223, 425471, B28B 502, B29D 300

Patent

active

043504833

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.

REFERENCES:
patent: 1821552 (1931-09-01), Kirschbraun
patent: 2835924 (1958-05-01), Schmeling
patent: 3328500 (1967-06-01), Barnette
patent: 3398035 (1968-08-01), Cleereman et al.
patent: 3507738 (1970-04-01), Prusinski et al.
patent: 3512327 (1970-05-01), La Padura
patent: 3537929 (1970-11-01), Keith et al.
patent: 3541639 (1970-11-01), Enicks
patent: 3824055 (1974-07-01), Shoe et al.
patent: 3892826 (1975-07-01), Yost

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