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Title:
TOILET CLEANING DEVICE, AND FLUSH TOILET
Document Type and Number:
WIPO Patent Application WO/2012/108269
Kind Code:
A1
Abstract:
Provided is a toilet cleaning device capable of effectively cleaning a toilet. Also provided is a flush toilet. A toilet cleaning device (20) is provided with: a first tank (21) which stores cleaning water; a second tank (22) of which the bottom opening (22C) is connected to the first tank (21) and of which the upper region (22U) stores more water per unit height than the bottom region (22D) of the second tank (22); an air passage (23) which connects the second tank (22) with a toilet water discharge path (12) by going through a position that is higher than the maximum water storage level (L) of the first tank (21); a water supply path (24) which connects the first tank (21) with a toilet bowl (11); and an on-off valve (25) which maximizes the amount of air flowing within the air passage (23) from the toilet water discharge path (12) to the second tank (22) at a slower timing than when beginning to supply the cleaning water stored within the first tank (21) to the toilet bowl (11) via the water supply path (24).

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Inventors:
KITAMURA SATOSHI (JP)
WATARI KOJIRO (JP)
YAMAI HITOMI (JP)
HAIDA SHUHEI (JP)
SAKAKIBARA KEISUKE (JP)
Application Number:
PCT/JP2012/051631
Publication Date:
August 16, 2012
Filing Date:
January 26, 2012
Export Citation:
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Assignee:
LIXIL CORP (JP)
KITAMURA SATOSHI (JP)
WATARI KOJIRO (JP)
YAMAI HITOMI (JP)
HAIDA SHUHEI (JP)
SAKAKIBARA KEISUKE (JP)
International Classes:
E03D11/02; E03D11/18
Foreign References:
JP2009275364A2009-11-26
JPH0742217A1995-02-10
JPS5693935A1981-07-29
JP2004156382A2004-06-03
JPH0557080U1993-07-30
JP2004156382A2004-06-03
Attorney, Agent or Firm:
GRANDOM PATENT LAW FIRM (JP)
Patent business corporation grandam patent firm (JP)
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Claims: