JPWO2021220371A1 - - Google Patents

Info

Publication number: JPWO2021220371A1
Authority: JP; Japan
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.): Granted

Application number

JP2022518465A

Other languages

Other versions

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.)

2020-04-27

Filing date

2020-04-27

Publication date

2021-11-04

2020-04-27 Application filed filed Critical

2021-11-04 Publication of JPWO2021220371A1 publication Critical patent/JPWO2021220371A1/ja

2023-11-15 Application granted granted Critical

2023-11-15 Publication of JP7380855B2 publication Critical patent/JP7380855B2/en

Status Active legal-status Critical Current

2040-04-27 Anticipated expiration legal-status Critical

Classifications

- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/24—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using infrasonic, sonic, or ultrasonic vibrations

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Examining Or Testing Airtightness (AREA)
Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Pipeline Systems (AREA)

JP2022518465A 2020-04-27 2020-04-27 Piping inspection system, piping inspection device, and piping inspection method Active JP7380855B2 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
PCT/JP2020/018028 WO2021220371A1 (en)	2020-04-27	2020-04-27	Piping inspection system, piping inspection device, and piping inspection method

Publications (2)

Publication Number	Publication Date
JPWO2021220371A1 true JPWO2021220371A1 (en)	2021-11-04
JP7380855B2 JP7380855B2 (en)	2023-11-15

Family

ID=78373410

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP2022518465A Active JP7380855B2 (en)	2020-04-27	2020-04-27	Piping inspection system, piping inspection device, and piping inspection method

Country Status (2)

Country	Link
JP (1)	JP7380855B2 (en)
WO (1)	WO2021220371A1 (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH07198528A (en) *	1993-12-28	1995-08-01	Tokyo Gas Co Ltd	Gas leakage detection device
JPH10132541A (en) *	1996-10-25	1998-05-22	Tokyo Gas Co Ltd	Acoustic wave pipeline examining method
JPH11132896A (en) *	1997-10-31	1999-05-21	Osaka Gas Co Ltd	Inundation state inspecting method and inspecting apparatus
JP2001343266A (en) *	2000-04-24	2001-12-14	Chang Min Tech Co Ltd	Ultrasonic flow velocity measuring device
WO2002021120A1 (en) *	2000-09-04	2002-03-14	The Nippon Signal Co., Ltd.	Flaw detection system
JP2009198388A (en) *	2008-02-22	2009-09-03	Tokyo Electric Power Co Inc:The	Ultrasonic flowmeter
JP2016136103A (en) *	2015-01-23	2016-07-28	横河電機株式会社	Ultrasonic flowmeter

2020
- 2020-04-27 WO PCT/JP2020/018028 patent/WO2021220371A1/en active Application Filing
- 2020-04-27 JP JP2022518465A patent/JP7380855B2/en active Active

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH07198528A (en) *	1993-12-28	1995-08-01	Tokyo Gas Co Ltd	Gas leakage detection device
JPH10132541A (en) *	1996-10-25	1998-05-22	Tokyo Gas Co Ltd	Acoustic wave pipeline examining method
JPH11132896A (en) *	1997-10-31	1999-05-21	Osaka Gas Co Ltd	Inundation state inspecting method and inspecting apparatus
JP2001343266A (en) *	2000-04-24	2001-12-14	Chang Min Tech Co Ltd	Ultrasonic flow velocity measuring device
WO2002021120A1 (en) *	2000-09-04	2002-03-14	The Nippon Signal Co., Ltd.	Flaw detection system
JP2009198388A (en) *	2008-02-22	2009-09-03	Tokyo Electric Power Co Inc:The	Ultrasonic flowmeter
JP2016136103A (en) *	2015-01-23	2016-07-28	横河電機株式会社	Ultrasonic flowmeter

Also Published As

Publication number	Publication date
WO2021220371A1 (en)	2021-11-04
JP7380855B2 (en)	2023-11-15

Publication	Publication Date	Title
BR112023005462A2 (en)	2023-05-30
BR112023012656A2 (en)	2023-10-03
BR112021014123A2 (en)	2021-12-07
BR112022009896A2 (en)	2023-06-27
BR112023009656A2 (en)	2023-07-11
BR112022024743A2 (en)	2023-06-27
BR112023006729A2 (en)	2023-05-16
BR102021018859A2 (en)	2021-11-30
BR102021015500A2 (en)	2021-11-09
BR102021007058A2 (en)	2021-11-23
BR112023008622A2 (en)	2023-10-03
BR102020022030A2 (en)	2021-10-05
BR112023011738A2 (en)	2023-07-04
BR112023016292A2 (en)	2023-09-05
BR112023004146A2 (en)	2023-06-27
BR112023011610A2 (en)	2023-07-04
BR112023011539A2 (en)	2023-07-04
BR112023008976A2 (en)	2023-06-27
BR102021020147A2 (en)	2021-12-28
BR102021018926A2 (en)	2021-11-30
BR102021018167A2 (en)	2021-09-13
BR102021017576A2 (en)	2021-11-30
BR102021016837A2 (en)	2021-11-09
BR102021016551A2 (en)	2021-11-09
BR102021016375A2 (en)	2021-11-30

Legal Events

Date	Code	Title	Description
2022-09-09	A621	Written request for application examination	Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20220909
2023-07-11	A131	Notification of reasons for refusal	Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20230711
2023-08-23	A521	Request for written amendment filed	Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20230823
2023-09-29	TRDD	Decision of grant or rejection written
2023-10-03	A01	Written decision to grant a patent or to grant a registration (utility model)	Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20231003
2023-11-07	A61	First payment of annual fees (during grant procedure)	Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20231016
2023-11-07	R150	Certificate of patent or registration of utility model	Ref document number: 7380855 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150