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Patent Searching and Data


Title:
OVERFLOW DEVICE FOR WATER TANK
Document Type and Number:
WIPO Patent Application WO/2007/108146
Kind Code:
A1
Abstract:
Provided is an overflow device for a water tank, which can be prevented from receiving a baneful influence by the suction noise of an overflow pipe. The overflow device comprises a water storage part (52) storing the water (W) in the water tank, the overflow pipe (54) installed upright in the water storage part (52). The lower end opening of the overflow pipe (54) is opened to the bottom wall lower side of the water storage part (52) so that the water (W) stored in the water storage part (52) flows into the pipe (54) from the upper end opening therein and flows out from the lower end opening. The overflow device further includes a sound isolating cover (47) installed in the water storage part (52) and closing the entire area of the overflow pipe (54) above the water.

Inventors:
ARITA RYUZO (JP)
TOMINAGA KAZUTOSHI (JP)
Application Number:
PCT/JP2006/317084
Publication Date:
September 27, 2007
Filing Date:
August 30, 2006
Export Citation:
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Assignee:
TOMINAGA JYUSHI KOGYOSHO KK (JP)
ARITA RYUZO (JP)
TOMINAGA KAZUTOSHI (JP)
International Classes:
A01K63/04; B01D35/027; C02F1/24; C02F1/40; C02F3/30
Foreign References:
JP3022824U1996-04-02
JP3018619U1995-11-28
JPH0318619A1991-01-28
JP2006079517A2006-03-23
Other References:
See also references of EP 1997371A4
Attorney, Agent or Firm:
SHIMIZU, Hisayoshi et al. (4-26 Minamisemba 3-chome, Chuo-k, Osaka-shi Osaka 81, JP)
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