| 摘要 |
PURPOSE: A window and door with improved structure is provided to prevent the inflow of outer wind or noise between a windshield and a roller of a window frame since inner and outer frames are adamantly coupled with horizontal and vertical window frames. CONSTITUTION: A window and door with improved structure comprises a window frame(100), a pair of window frames(200), and a windshield(210). The window frame comprises a rail(110) on the upper and lower parts thereof, so that two windows may slide for opening and closing. A pair of window frames are installed inside the window frame. A pair of window frames are opened and closed along the rail. Multiple plate glasses are formed in a pair of window frames. |
