BULLERSKYDDANDE VENTILATIONSFOENSTER.

摘要

The window according to the present invention comprises an outer frame 11, an inner frame 14 and an intermediate frame 27, and is characterized in that the intermediate frame 27 is fixed to the inner frame 14 in such a manner that it can pivot between the outer frame 11 and the inner frame 14, the intermediate frame 27 being arranged so as to bear support means 35 and a ventilation arrangement 37 and is provided with sealing strips 41 which extend along the perimeter of the intermediate frame 27. <IMAGE>