Construction of lifting jacks or climbing rods for sliding forms (climbing-type hoisting units in general B66F)

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Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs > for walls, e.g. curved (E04G11/04 takes precedence) > Movable forms; Movable forms for moulding cylindrical, conical or hyperbolical structures; Templates serving as forms for positioning blocks or the like (E04G11/04 takes precedence) > Sliding forms raised continuously or step-by-step and being in contact with the poured concrete during raising ; Arrangements of lifting means therefor > Construction of lifting jacks or climbing rods for sliding forms (climbing-type hoisting units in general B66F)