Method for the casting of concrete objects

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 33, 264 71, 425426, 425456, B28B 108

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045685037

ABSTRACT:
Method for the continuous slide-casting of concrete objects for compacting the high-consistency concrete mix. Repeated parallel displacements back and forth are produced in the various regional zones in the high-consistency concrete mix placed in the mould by pivoting at least two opposite walls (10) of the slide-casting mould structure in the same direction relative parallel shafts (12) substantially parallel to each other and as synchronized relative each other, back and forth. Additional walls (4) fitted into the mould and forming oblong cavities, recesses or ribs in the concrete objects are pivoted in pairs with each other in the same direction and as synchronized with each other around shafts (7) placed at the ends of the additional walls next to the outlet end of the mould, the said shafts being substantially parallel to each other. The pivot shafts (7) of the additional walls are either substantially parallel to the pivot shafts (12) of the walls forming the main part of the concrete object in the mould or substantially perpendicular to the direction of the said latter shafts.

REFERENCES:
patent: 3994639 (1976-11-01), Hewitt
patent: 4090827 (1978-05-01), Attwell
patent: 4330242 (1982-05-01), Putti

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