发明名称 DOWN PIPE VALVE
摘要 A valve apparatus (1) adapted to be fitted between two portions (11 and 12) of down pipe, such that with the valve (5) in its closed position, the down pipe and gutter can be filled with water to lessen the risk of destruction of the house by bush fires. The valve apparatus (1) comprises a hollow body (2) with a valve seat (4) located intermediate its two ends. The valve (5) is preferably an elongated gate valve which slides into an aperture (3) in the side of the hollow boby (2) to seal on the seat (4).
申请公布号 WO9523263(A1) 申请公布日期 1995.08.31
申请号 WO1994AU00716 申请日期 1994.11.21
申请人 WATERGATE PTY. LIMITED;DOHERTY, JON, MICHAEL;DOHERTY, JONATHAN 发明人 DOHERTY, JON, MICHAEL;DOHERTY, JONATHAN
分类号 A62C3/00;E04D13/08;(IPC1-7):E04D13/08 主分类号 A62C3/00
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