| 摘要 |
PURPOSE: An airtight sealing structure for system windows and doors is provided to achieve favorable interior condition and reduce heat loss during cooling or heating by preventing the shaking of a window/door frame and the inflow of external noises. CONSTITUTION: An airtight sealing structure for system windows and doors is configured as follows. Fitting grooves(111) are formed opposite to each other on the inner upper and lower sides of a fitting frame(11), in which a steel plate(5) is inserted. A hook type fixing recess(21) with fitting projections(211) on the top and bottom thereof is formed in the upper corner of a sash(2). A hook type fixing projection(41) of an airtight sealing portion(4) is inserted in the hook type fixing recess. A first hollow portion(42) having a rectangular cross section is formed in the airtight sealing portion, in which a magnet(6) is inserted. |
