02-01-2020 дата публикации
Номер: US20200002957A1
Принадлежит:
Disclosed is a formwork for producing concrete products including at least one supporting beam with an axis of extension, at least one panel bendable around a transverse direction with respect to the axis and at least one adjustment device adapted to connect the panel to the beam and to vary the curvature of the panel between a flat undeformed condition and curved condition, where the outer surface is convex or, if necessary, concave, wherein the adjustment device is connected at least at one intermediate point of the panel and at least at one edge point, positioned at a lateral edge substantially parallel to the direction of curvature, in order to simultaneously move the points to vary the curvature of the outer surface of the panel. 23031313141422424102525ababab. Formwork according to claim 1 , wherein the adjustment device () comprises at least one drive mechanism ( claim 1 , claim 1 , claim 1 , claim 1 , ) adapted to generate a movement of at least the intermediate point ( claim 1 , ) along a direction transverse to the axis of extension (X) of the beam () claim 1 , and of the edge point ( claim 1 , ) along a direction substantially parallel to or with at least one component parallel to said axis of extension.31313131414224242525ababab. Formwork () according to claim 2 , wherein said drive mechanism ( claim 2 , claim 2 , claim 2 , claim 2 , ) comprises mechanically interconnected elements adapted to cause the simultaneous movement of at least said intermediate point ( claim 2 , ) and said edge point ( claim 2 , ).413131314142ab. Formwork () according to claim 2 , wherein said drive mechanism ( claim 2 , claim 2 , claim 2 , claim 2 , ) comprises gears claim 2 , an articulated system claim 2 , or both.51313141422424202525222220abababab. Formwork () according to claim 2 , wherein the adjustment device comprises a pair of adjustment mechanisms ( claim 2 , claim 2 , claim 2 , ) claim 2 , each acting on at least one intermediate point ( claim 2 , ) of the panel () and ...
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