Title:
GAS SUPPLY DEVICE AND GAS SUPPLY METHOD
Document Type and Number:
WIPO Patent Application WO/2007/083646
Kind Code:
A1
Abstract:
[PROBLEMS] To provide a technique for appropriately determining the replacement time
of a filter. [MEANS FOR SOLVING PROBLEMS] A gas supply device having an air hose
connectable to a gas passage, a pressurized gas supply section for supplying pressurized
gas to a container through the air hose and the gas passage, a filter placed between
the air hose and the gas passage, a release-to-the-atmosphere section for releasing
the inside of the container, to which the pressurized gas is supplied, to the atmosphere
through a gas introduction section and the air hose, a first measurement device
for measuring a time period necessary to release the inside of the container to
the atmosphere, and a first alarm means for issuing an alarm when the time measured
by the first measurement device exceeds a predetermined time period.
Inventors:
MIZUNO HITOSHI (JP)
Application Number:
PCT/JP2007/050560
Publication Date:
July 26, 2007
Filing Date:
January 17, 2007
Export Citation:
Assignee:
HOEI SHOKAI CO LTD (JP)
MIZUNO HITOSHI (JP)
MIZUNO HITOSHI (JP)
International Classes:
B22D39/06; B22D41/12
Foreign References:
| JP2004223519A | 2004-08-12 | |||
| JP2000205140A | 2000-07-25 |
Attorney, Agent or Firm:
OMORI, Junichi (Matrice Bldg. 2-13-7, Minamiaoyam, Minato-ku Tokyo 62, JP)
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