초록 ▼

In a frame-shaped window member (1 or 2) including a framed core (10) made from wood material and provided with a covering (11) moulded thereon, preferably polyurethane, and supporting on its side facing the open air a weather-resisting shield (12), the part (11′) of the covering facing the inside a

In a frame-shaped window member (1 or 2) including a framed core (10) made from wood material and provided with a covering (11) moulded thereon, preferably polyurethane, and supporting on its side facing the open air a weather-resisting shield (12), the part (11′) of the covering facing the inside air has a far larger thickness and thus a corresponding minor permeability to vapor than the adjacent covering parts (11″) which fully or partly cover the remainder of the surface of the core.

대표청구항 ▼

A window frame member comprising a core made from wood or a wood-based material and having an external side intended to face outside air and an internal side intended to face inside air, and a covering of a plastics material molded on the core, wherein the improvement comprises the arrangement on th

A window frame member comprising a core made from wood or a wood-based material and having an external side intended to face outside air and an internal side intended to face inside air, and a covering of a plastics material molded on the core, wherein the improvement comprises the arrangement on the external side of the frame member of a weather protective shield defining together with the frame member an internal space ventilated by the outside air and the application of the covering to the core so as to offer a high degree of impermeability to vapor solely on the internal side of the member.