POWER PRESS FOR MANUFACTURE OF PRODUCTS FROM EARTH-CEMENT MATERIALS Russian patent published in 1994 - IPC

FIELD: production of building materials. SUBSTANCE: the press has a framework, detachable mould, toggle formed by parallel to arranged linkages, and a power drive whose rod is connected with a movable cross-piece installed in the framework. Each linkage is made up of two symmetrical parts extending opposite to the detachable mould and forming a flat closed power contour enveloping the mold around the edges, creating forces for compressing the material. EFFECT: product compaction during one compression cycle with gradually growing compacting pressure during one compression cycle. 4 cl, 7 dwg