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Patent Searching and Data


Title:
FLAP GATE
Document Type and Number:
WIPO Patent Application WO/2020/039698
Kind Code:
A1
Abstract:
A flap gate 1 comprises: a door body 10 that turns about a base-end side and stands upright; side waterproof rubbers 30 that are attached to both widthwise ends of the door body 10 and that come into contact with side doorstops 21; and an upper waterproof rubber 40 which is attached to an upper doorstop 22, and with which a tip end 14 of the door body 10, which is positioned in the same plane as an upper surface 11 of the door body 10 when the door body 10 lays flat, comes into contact when the door body 10 stands upright. The side waterproof rubbers 30 are attached up to the position of the tip end 14 of the door body 10, an end part of the door body 10 on the tip end 14-side thereof is attached to as to be in the same plane as the upper surface 11, and both ends of the upper waterproof rubber 40 in the widthwise direction of the door body 10 are configured so as to come into contact with end parts 34 of the side waterproof rubbers 30 on the tip end 14-side of the door body 10 when the door body 10 stands upright.

Inventors:
MORII TOSHIAKI (JP)
NAKAYASU KYOICHI (JP)
KATSUTA YUKIO (JP)
ITAGAKI TORU (JP)
Application Number:
PCT/JP2019/022868
Publication Date:
February 27, 2020
Filing Date:
June 10, 2019
Export Citation:
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Assignee:
HITACHI SHIPBUILDING ENG CO (JP)
International Classes:
E02B7/54; E02B7/40; E04H9/14
Domestic Patent References:
WO2018070512A12018-04-19
Foreign References:
JP2000027165A2000-01-25
JPH02304110A1990-12-17
JP2016142030A2016-08-08
JP2012241449A2012-12-10
JP2005146703A2005-06-09
JP2000240044A2000-09-05
JP2006257829A2006-09-28
JPS56176233U1981-12-25
JP2016211266A2016-12-15
JP2016173012A2016-09-29
JPS60159037U1985-10-23
Attorney, Agent or Firm:
TERAZONO Kenichi et al. (JP)
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