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11. 发明专利

JP2000080766A FLASHING BOARD 失效
公开(公告)号：JP2000080766A
公开(公告)日：2000-03-21
申请号：JP25347398
申请日：1998-09-08
申请人： TAKENAKA KOMUTEN CO
发明人： FUJII HIDEJI , OKAMOTO HAJIME , TSUBOUCHI NOBURO , MOTOCHIGAWA TOSHIRO
IPC分类号： E04B1/64 , E04D3/40
摘要： PROBLEM TO BE SOLVED: To surely prevent pollution on an exterior wall surface of a building by applying hydrophilic surface treatment to the front surface side of a flashing portion and the upper surface side of a sloped surface and applying water repellent surface treatment to the tip and rear surface of the flashing portion. SOLUTION: Rain water run down along the exterior wall surface 21 and a window frame 22 and dropped to the top surface of a sloped surface 11 spreads widely and forms a water film on the whole surface of the top surface by the hydrophilic effect of the hydrophilic surface treatment layer 15 applied from the top surface side 12 of the sloped surface to the surface side of the flashing portion 13. In this way, the rain water flows uniformly to the tip of water flashing portion 13 without forming a water current. Moreover, water film-shaped rain water flowed down to the tip of the flashing portion 13 is repelled by the water repellent action of the water repellent surface treatment layer 19 applied to the tip and rear surface of the water flashing portion 13, and rain water is definitely drained downward without being sucked into the side of exterior wall surface 24. Thus, pollution of the exterior wall surface below the flashing portion and water leakage to the inside of a room can be definitely prevented.

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