JPS5563733A - Method of measuring leaked water amount - Google Patents

Method of measuring leaked water amount

Info

Publication number
JPS5563733A
JPS5563733A JP13733978A JP13733978A JPS5563733A JP S5563733 A JPS5563733 A JP S5563733A JP 13733978 A JP13733978 A JP 13733978A JP 13733978 A JP13733978 A JP 13733978A JP S5563733 A JPS5563733 A JP S5563733A
Authority
JP
Japan
Prior art keywords
water
valves
leakage
water amount
leaked
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP13733978A
Other languages
Japanese (ja)
Inventor
Hideki Goto
Toshitsugu Arakawa
Tadashi Nagashima
Hiroyuki Imoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JFE Engineering Corp
Original Assignee
NKK Corp
Nippon Kokan Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NKK Corp, Nippon Kokan Ltd filed Critical NKK Corp
Priority to JP13733978A priority Critical patent/JPS5563733A/en
Publication of JPS5563733A publication Critical patent/JPS5563733A/en
Pending legal-status Critical Current

Links

Landscapes

  • Examining Or Testing Airtightness (AREA)

Abstract

PURPOSE: To simply, accurately and exactly measure the leaked water amount per unit time from the difference between the space volume in a container directly after completion of water supply and the space volume in the container after predetermined time.
CONSTITUTION: Intermediate valves 2, 3 are provided, for example at every 100m or predetermined interval of a buried tube 1. There is provided a ground joint valve 4 such as faucet or the like at suitable intermediate position between the valves 2 and 3. The valve 4 is connected via a water feed hose to a leaded water measuring unit 5. By opening or closing the valves 2, 3, the leakage and the leaked amount of water are measured by the unit 5 by utilizing the internal pressure difference of the tube changing upon leakage of the water.
COPYRIGHT: (C)1980,JPO&Japio
JP13733978A 1978-11-09 1978-11-09 Method of measuring leaked water amount Pending JPS5563733A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13733978A JPS5563733A (en) 1978-11-09 1978-11-09 Method of measuring leaked water amount

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13733978A JPS5563733A (en) 1978-11-09 1978-11-09 Method of measuring leaked water amount

Publications (1)

Publication Number Publication Date
JPS5563733A true JPS5563733A (en) 1980-05-14

Family

ID=15196328

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13733978A Pending JPS5563733A (en) 1978-11-09 1978-11-09 Method of measuring leaked water amount

Country Status (1)

Country Link
JP (1) JPS5563733A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57152936A (en) * 1981-03-18 1982-09-21 Bridgestone Corp Manufacture of elastic endless band
JPS59147235A (en) * 1983-02-12 1984-08-23 Takenaka Komuten Co Ltd Water leak testing apparatus and testing method of minute amount of leaked water by using the same
US8876507B2 (en) 2011-02-15 2014-11-04 Sumitomo Rubber Industries, Ltd. Tire mold

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57152936A (en) * 1981-03-18 1982-09-21 Bridgestone Corp Manufacture of elastic endless band
JPH034366B2 (en) * 1981-03-18 1991-01-22 Bridgestone Corp
JPS59147235A (en) * 1983-02-12 1984-08-23 Takenaka Komuten Co Ltd Water leak testing apparatus and testing method of minute amount of leaked water by using the same
JPH0221735B2 (en) * 1983-02-12 1990-05-16 Takenaka Komuten Co
US8876507B2 (en) 2011-02-15 2014-11-04 Sumitomo Rubber Industries, Ltd. Tire mold

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