Method for the production of building elements of the lightweigh

Details Method for the production of building elements of the lightweigh Method for the production of building elements of the lightweigh

1981-01-21

1982-11-02

Czaja, Donald E.

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Of inorganic materials

264 451, 264 71, 264333, B29H 720

Patent

active

043572898

ABSTRACT:
When producing building elements of lightweight concrete a viscous slurry is poured into a mould in order to form a stiff mould body. By means of parting planes this mould body is divided into individual elements of smaller sizes. According to the invention a plurality of zones having different densities and/or natures are formed in the mould body, the individual partin g plane being located within such a zone. Hereby one obtains building elements which include at least two portions having different densities and/or natures.

REFERENCES:
patent: 2152190 (1939-03-01), Henderson
patent: 3217069 (1965-11-01), Williams
patent: 3442991 (1969-05-01), Lanz
patent: 3595947 (1971-07-01), Wielinga
patent: 4057608 (1977-11-01), Hasimoto et al.
patent: 4067939 (1978-01-01), Lowe et al.
patent: 4083909 (1978-04-01), Goransson
patent: 4124669 (1978-11-01), Urmston

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