Manufacture of cellular lightweight concrete slabs

Details Manufacture of cellular lightweight concrete slabs Manufacture of cellular lightweight concrete slabs

1975-10-20

1978-04-11

Pavelko, Thomas P.

Plastic and nonmetallic article shaping or treating: processes

Reactive gas or vapor treatment of work

83100152, 214 6A, 214 6FS, 214 85D, 264101, 264130, 264131, 264158, 264333, 264DIG57, 264DIG78, C04B 1514, B28B 300

Patent

active

040839087

ABSTRACT:
Cellular lightweight concrete slabs are manufactured by cutting a still plastic block of cellular concrete mass resting on a first support horizontally into slices which are then moved over one by one to a second support and piled in reversed order thereon, at least one of the two broadsides of each body slice being subjected to a treatment before being covered by the next transferred slice. The treatment prevents the body slices from cementing together during the subsequent steam-hardening process and may also improve the quality of the slabs when hardened. An apparatus for such manufacture features a movable suction head for transferring the body slices as well as associated means for cutting and treating said slices.

REFERENCES:
patent: 2531990 (1950-11-01), Rappoli
patent: 2725611 (1955-12-01), Wissinger
patent: 2971239 (1961-02-01), Schaich
patent: 3395204 (1968-07-01), Olsson et al.
patent: 3695129 (1972-10-01), Vrijima
patent: 3836018 (1974-09-01), Dawson
patent: 3919372 (1975-11-01), Vogele

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