JPWO2021214909A1 - - Google Patents
Info
- Publication number
- JPWO2021214909A1 JPWO2021214909A1 JP2022516550A JP2022516550A JPWO2021214909A1 JP WO2021214909 A1 JPWO2021214909 A1 JP WO2021214909A1 JP 2022516550 A JP2022516550 A JP 2022516550A JP 2022516550 A JP2022516550 A JP 2022516550A JP WO2021214909 A1 JPWO2021214909 A1 JP WO2021214909A1
- 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
Links
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B31/00—Screwed connections specially modified in view of tensile load; Break-bolts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N22/00—Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
Landscapes
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Electromagnetism (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2020/017318 WO2021214909A1 (en) | 2020-04-22 | 2020-04-22 | Loosening detection sensor and method for detecting loosening using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPWO2021214909A1 true JPWO2021214909A1 (en) | 2021-10-28 |
| JP7401817B2 JP7401817B2 (en) | 2023-12-20 |
Family
ID=78270536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022516550A Active JP7401817B2 (en) | 2020-04-22 | 2020-04-22 | Looseness detection sensor and looseness detection method using it |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP7401817B2 (en) |
| WO (1) | WO2021214909A1 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001159572A (en) * | 1999-12-02 | 2001-06-12 | Sensor System Kk | Device for inspecting bolt fastening force |
| JP2003034352A (en) * | 2001-07-26 | 2003-02-04 | Daiwa Industries Ltd | Packing structure of box-shaped device and method for unpacking the same |
| US20140129158A1 (en) * | 2012-11-07 | 2014-05-08 | Eaton Corporation | Washer assembly and joint monitoring system employing the same |
| JP2018013431A (en) * | 2016-07-21 | 2018-01-25 | 株式会社Ｃｑ−Ｓネット | Device for detecting condition using standing wave radar |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005069312A (en) * | 2003-08-22 | 2005-03-17 | Masayuki Okugawa | Washer for detecting bolt slack |
-
2020
- 2020-04-22 JP JP2022516550A patent/JP7401817B2/en active Active
- 2020-04-22 WO PCT/JP2020/017318 patent/WO2021214909A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001159572A (en) * | 1999-12-02 | 2001-06-12 | Sensor System Kk | Device for inspecting bolt fastening force |
| JP2003034352A (en) * | 2001-07-26 | 2003-02-04 | Daiwa Industries Ltd | Packing structure of box-shaped device and method for unpacking the same |
| US20140129158A1 (en) * | 2012-11-07 | 2014-05-08 | Eaton Corporation | Washer assembly and joint monitoring system employing the same |
| JP2018013431A (en) * | 2016-07-21 | 2018-01-25 | 株式会社Ｃｑ−Ｓネット | Device for detecting condition using standing wave radar |
Non-Patent Citations (1)
| Title |
|---|
| 松永恵里: "インフラ劣化検知を目的とした電磁波伝搬型塗布式センサの基礎検討", 材料と環境, vol. 68, no. 7, JPN6020020263, 10 July 2019 (2019-07-10), JP, pages 178 - 181, ISSN: 0005125488 * |
Also Published As
| Publication number | Publication date |
|---|---|
| JP7401817B2 (en) | 2023-12-20 |
| WO2021214909A1 (en) | 2021-10-28 |
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