PLASTIC SHAPE BAR FOR WINDOW, DOOR AND FACADE ELEMENTS Russian patent published in 2011 - IPC E06B3/273 

FIELD: construction.

SUBSTANCE: plastic shape for window, door and facade elements, arranged with the possibility of its reinforcement and having a body of plastic shape, which is elongated in the longitudinal direction and is made, with a view in cross section perpendicular to the longitudinal direction, with the possibility of attachment of one reinforcement element by means of rolling at two outer sides arranged opposite to each other in the transverse direction, which is perpendicular to longitudinal direction, and the element has hollow shape, having a fully closed form in the transverse section perpendicular to the longitudinal direction, and/or a receiving section suitable for arrangement of an angular joint. On each of two appropriate external sides of the plastic shape there are two sealing ledges made so that the hollow shape and/or the receiving section of the appropriate reinforcing element in the sealed position is arranged mainly between these two ledges.

EFFECT: invention makes it possible to increase rigidity against shape twisting and its heat-insulation properties.

10 cl, 6 dwg