| 摘要 |
PURPOSE: A highly airtight structure of a window is provided to maintain performance of usage and to ensure airtightness by blocking the flow of air between the rails of a window frame and a window still. CONSTITUTION: A highly airtight structure of a window comprises a horizontal airtight unit, a vertical airtight unit, and a blocking member. A support stand(150) in which horizontal airtight members(151,219) are installed between the internal and external rails of a horizontal frame in a window frame. A protrusion part(223) is equipped with a vertical airtight member(229) inside vertical frame in the window frame. A space is formed between an inner vertical frame and the protrusion member in the top of the support stand. The blocking member is installed in the top of the support stand. |
