Moulding of construction products

Details Moulding of construction products Moulding of construction products

1982-09-17

1985-06-18

Parrish, John A.

Plastic and nonmetallic article shaping or treating: processes

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

By reciprocating or vibrating mold

264123, 264333, B06B 300

Patent

active

045240396

ABSTRACT:
A method of manufacturing construction products which involves feeding dry or substantially dry constituents including a liquid-setting powder and a reinforcement therefor into a molding zone. At least a part of the mold is vibrated to effect compacting of the constituents in the molding zone to such a degree that the constituents will stand and be self-sustaining upon removal of an upstanding portion of the mold. At least a portion of the mold is removed from contact from the compacted constituents, thereby exposing at least one upstanding surface of of the compacted constituents. A quantity of setting liquid is applied to substantially the full extent of the surface. The quantity of setting liquid is sufficient to wet all of the compacted constituents in the molding zone so as to initiate a chemical setting reaction but not sufficient to completely saturate the compacted constituents and to cause the associated effect of structural collapse of the compacted constituents in the region of the exposed surface.

REFERENCES:
patent: 1427103 (1922-08-01), Haenicke

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