Title:
MULTI-LAYER WATER SEALING DEVICE AND MULTI-LAYER WATER SEALING METHOD
Document Type and Number:
WIPO Patent Application WO/2016/000551
Kind Code:
A1
Abstract:
A multi-layer water sealing device, comprising at least two layers of water seal sequentially arranged from top to bottom; the upper-layer water seal is a floating bell type structure comprising a water sealing box (1) and a floating bell (2) disposed in the water sealing box (1); the lower-layer water seal is disposed in a drain pipe (3) below the floating bell (2); one side of the water sealing box (1) extends or is connected to a communication cavity (4) apart from the drain pipe (3); and the floating bell (2) correspondingly extends or is connected to a floating component (6) floating in the communication cavity (4) and apart from the drain pipe (3). Also provided is a multi-layer water sealing method.
Inventors:
CHEN XIANGQIAN (CN)
WEI FURU (CN)
WEI FURU (CN)
Application Number:
PCT/CN2015/082148
Publication Date:
January 07, 2016
Filing Date:
June 24, 2015
Export Citation:
Assignee:
KANGZHIWEI ZHEJIANG TECHNOLOGY CO LTD (CN)
International Classes:
E03F5/04; E03C1/28
Domestic Patent References:
| WO2002092926A1 | 2002-11-21 |
Foreign References:
| CN104060656A | 2014-09-24 | |||
| CN204080978U | 2015-01-07 | |||
| CN102518188A | 2012-06-27 | |||
| CN102518189A | 2012-06-27 | |||
| CN201400925Y | 2010-02-10 | |||
| JP2006037535A | 2006-02-09 |
Attorney, Agent or Firm:
UNITALEN ATTORNEYS AT LAW (CN)
北京集佳知识产权代理有限公司 (CN)
北京集佳知识产权代理有限公司 (CN)
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