Method and device for the casting of concrete products

Plastic and nonmetallic article shaping or treating: processes – Treatment of material by vibrating – jarring – or agitating... – Continuously formed or indefinite length article

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264 71, 264312, 425 64, 425426, 425427, B28B 110

Patent

active

046684476

ABSTRACT:
Method and device for the casting of concrete products either by means of a periodic method or by means of a continuous slide casting method. Into the product, one or several cavities are formed by means of a cavity mandrel (4). The mix is compacted by rotating the cavity mandrel (4) back and forth around its longitudinal axis.

REFERENCES:
patent: 3200177 (1965-08-01), Dodd
patent: 3608012 (1971-09-01), Jonell et al.
patent: 3877860 (1975-04-01), Putti
patent: 4133619 (1979-01-01), Wise
patent: 4202658 (1980-05-01), Ahonen
patent: 4229153 (1980-10-01), Hight
patent: 4330242 (1982-05-01), Putti
patent: 4545946 (1985-10-01), Sarja

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