Title:
PIPING DEVICE FOR WATER SUPPLY
Document Type and Number:
Japanese Patent JP2531551
Kind Code:
B2
Abstract:
PURPOSE: To prevent multiplication of sundry germs in water remaining in a hose by draining the water out of the hose at the lapse of specified time after stoppage of water flow inside the hose.
CONSTITUTION: A hose 5 is connected, with a solenoid valve 4 interposed, to a water supply pipe 1, to which a pressure reducing valve 3 is provided on a position closer to the front end thereof than the position of a stop cock 2. Solenoid valves 6 in necessary numbers are provided in the middle of the hose 5. At the lapse of a specified time after stoppage of water flow inside the hose, the solenoid valve 4 on the water supply pipe 1 is temporarily closed while the solenoid valves 6 in the middle of the hose 5 are opened temporarily.
Inventors:
TAKAHASHI YOSHISHIGE (JP)
Application Number:
JP24234691A
Publication Date:
September 04, 1996
Filing Date:
August 29, 1991
Export Citation:
Assignee:
OZE KK (JP)
International Classes:
E03B1/04; E03C1/02; (IPC1-7): E03B1/04; E03C1/02
Domestic Patent References:
| JP61116862B | ||||
| JPH053371B2 | ||||
| JPS62188891A | ||||
| JP54173560B | ||||
| JPS53117250A |
Attorney, Agent or Firm:
Kazuo Sugiyama