DEVICE TO CAST CONCRETE ARTICLES Russian patent published in 1995 - IPC

Abstract RU 2031780 C1

FIELD: casting concrete articles. SUBSTANCE: device has bottom cavity, side walls and one or several cavity-type mandrels of non-circular cross-sections. Any mandrels connected to the drive to revolve around its longitudinal axis. The mandrels may revolve forward and backward in two directions. EFFECT: increased efficiency. 10 cl, 12 dwg

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RU 2 031 780 C1

Authors

Almari Paakkinen[Fi]

Dates

1995-03-27—Published

1985-04-23—Filed