CURTAIN WALL

摘要

PROBLEM TO BE SOLVED: To make outdoor-side and indoor-side appearances identical with each other by a curtain wall structure with a built-in fire resistance-certified sliding screen corresponding to "a section having the risk of fire spreading", and a curtain wall structure corresponding to "sections except the section". SOLUTION: In a window section except the section having the risk of fire spreading, glass G is structurally fitted and supported in a groove portion formed along a circumferential direction, in each opening frame formed of mullion 2 and 2 and transoms 11 and 11. In a window section in the section having the risk of fire spreading, a frame is assembled from stiles/rails 4-7; and the fire resistance-certified sliding screen 3, into which glass G2is fitted, is supported by being fitted into each opening frame formed of the mullion 2 and 2 and transoms 9 and 10. The face widths of the stiles 6 and 7 of the fire resistance-certified sliding screen 3 are set as widths which eliminates protrusion from a face flange portion 2C of the mullion 2; and a depth surface of the stile on an indoor side with respect to the glass G2is set flush with a lateral surface of a square frame portion 21of the mullion 2. COPYRIGHT: (C)2010,JPO&INPIT