SYSTEM OF GRAB FORMWORK WITH AUTOMATIC FORMWORK STRIPPING FOR INNER SHIELD Russian patent published in 2011 - IPC E04G13/06 

FIELD: construction.

SUBSTANCE: grab formwork system (1), comprising an overhead table (2), a suspension (6), an inner shield, a grab base (4) and an outer shield (5), besides, the outer shield (5) and the grab base (4) are joined to each other, in particular, are rigidly connected to each other, besides, the suspension (6) is fixed rigidly on the overhead table (2), and moreover, the grab base (4) is fixed on the suspension (6), differs by the fact that the grab base (4) and the outer shield (5) are jointly fixed on the suspension (6) with the possibility of rotation around the first hinged joint (GP1), a driving lever (7) is rigidly fixed on the inner shield (3). Besides, the inner shield (3) and the driving lever (7) are jointly fixed on the grab base (4) with the possibility of rotation around the second hinged joint (GP2), and the inner shield (3) with the help of the edge (14a, 14b) is aligned relative to the overhead table (2) along a single direction, besides, this direction contains at least one component perpendicular to the plane of the inner shield shell (3).

EFFECT: possibility to remove formwork of, in particular, the inner shield.

1 cl, 20 dwg