Window casement has inner and outer wooden frames with in-between holder groove for window pane, connecting piece and dividing plane.

摘要

The inner casement frame (2) is made up of wooden profiled parts and joined to an outer casement frame (3), and form between them a holder-groove (4) for a window-pane. The outer and inner casement frames divide along a surface (8) intersecting the holder-groove and parallel with the casement plane. At least one connecting piece fits into the outer and inner casement frames and has two pegs