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1. (WO2017038206) DRAIN PLUG DEVICE

Pub. No.:    WO/2017/038206    International Application No.:    PCT/JP2016/068095
Publication Date: Fri Mar 10 00:59:59 CET 2017 International Filing Date: Sat Jun 18 01:59:59 CEST 2016
IPC: E03C 1/22
A47K 1/14
E03C 1/23
Applicants: JAPAN ALPHA CO. LTD.
Inventors: OTA Shinichi
太田 慎一
北川 浩平
A drain plug device (1) comprises: a plug cover (55) for opening and closing a drain opening (104); a water passage member (53) that comprises an outer circumferential wall (531) disposed in a drain pipe (52) along the inner circumferential face of the pipe (52) and that supports the plug cover (55); and a plug cover side mechanism (4) that comprises a supporting projection (44) that extends into the pipe (52) and supports the water passage member (53) by the outer circumferential wall (531) being placed thereon. The water passage member (53) moves vertically by way of the support projection (44) moving vertically. The water passage member (53) comprises a tilt controlling mechanism, and tilting of the outer circumferential wall (531) with respect to a central axis (CL1) of the pipe (52) is controlled by the tilt controlling mechanism. As a result, tilting of the plug cover (53) can be more reliably controlled, and a favorable appearance and water tightness can be obtained.