Title:
WATER SUPPLY PIPE INSIDE WASHING METHOD OF DIRECT COMPRESSIVE WATER SUPPLY DEVICE
Document Type and Number:
Japanese Patent JP3545924
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a water supply pipe inside washing method of a direct compressive water supply device capable of efficiently washing a main water supply pipe in the direct compressive water supply device.
SOLUTION: Household water meters for branch pipes 6a-6n connected to a vertical water supply pipe 2 are removed, compressed air supply devices 11 are connected to the parts removing the water meters from them, a master water meter 3 is removed, and a pressurized water supply system 14 for feeding pressurized water to the vertical water supply pipe 2 is connected to the part removing the master water meter therefrom. While supplying the pressurized water to the vertical water supply pipe 2 with the pressurized water supply system 14, compressed air is supplied to the vertical water supply pipe 2 intermittently from the compressed air supply devices 11 to carry out washing.
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Inventors:
Goko Hiroshi
Four elements, etc.
Hiroki Hohara
Four elements, etc.
Hiroki Hohara
Application Number:
JP32619997A
Publication Date:
July 21, 2004
Filing Date:
November 27, 1997
Export Citation:
Assignee:
Hitachi Building System Co., Ltd.
West Japan Clean Life Co., Ltd.
West Japan Clean Life Co., Ltd.
International Classes:
E03B7/09; B08B9/027; (IPC1-7): E03B7/09; B08B9/027
Domestic Patent References:
| JP1176483A | ||||
| JP5086278B2 | ||||
| JP4281924A |
Attorney, Agent or Firm:
Kenjiro Take