ZA777186B - Device for measuring the moisture content of sheet-like samples and material - Google Patents
Device for measuring the moisture content of sheet-like samples and materialInfo
- Publication number
- ZA777186B ZA777186B ZA00777186A ZA777186A ZA777186B ZA 777186 B ZA777186 B ZA 777186B ZA 00777186 A ZA00777186 A ZA 00777186A ZA 777186 A ZA777186 A ZA 777186A ZA 777186 B ZA777186 B ZA 777186B
- Authority
- ZA
- South Africa
- Prior art keywords
- samples
- measuring
- sheet
- moisture content
- moisture
- Prior art date
Links
Classifications
-
- 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
- G01N22/04—Investigating moisture content
Landscapes
- Physics & Mathematics (AREA)
- Biochemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Electromagnetism (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Treatment Of Fiber Materials (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19767638683 DE7638683U (de) | 1976-12-10 | Vorrichtung zum Messen des Feuchtigkeitsgehaltes von flächenförmigen Proben |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA777186B true ZA777186B (en) | 1978-10-25 |
Family
ID=6672078
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA00777186A ZA777186B (en) | 1976-12-10 | 1977-12-02 | Device for measuring the moisture content of sheet-like samples and material |
Country Status (10)
Country | Link |
---|---|
US (1) | US4368421A (xx) |
JP (1) | JPS5373197A (xx) |
CA (1) | CA1113154A (xx) |
CH (1) | CH622349A5 (xx) |
DK (1) | DK549877A (xx) |
FR (1) | FR2373792A1 (xx) |
GB (1) | GB1593173A (xx) |
IT (1) | IT1088417B (xx) |
SE (1) | SE7714023L (xx) |
ZA (1) | ZA777186B (xx) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0009187A1 (de) * | 1978-09-16 | 1980-04-02 | Hoechst Aktiengesellschaft | Verfahren und Vorrichtung zum Messen der Feuchte von flächenförmigen Proben durch Absorption von Mikrowellen |
US4319185A (en) * | 1979-12-05 | 1982-03-09 | Sentrol Systems Ltd. | Delay line microwave moisture measuring apparatus |
FR2529340A1 (fr) * | 1982-06-25 | 1983-12-30 | Martin Sa | Procede et dispositif de mesure de la quantite de colle deposee lors de la fabrication du carton ondule |
LU84308A1 (fr) * | 1982-07-29 | 1984-03-22 | Bekaert Sa Nv | Systeme pour l'identification d'articles en feuilles par micro-ondes |
LU84307A1 (fr) * | 1982-07-29 | 1984-03-22 | Bekaert Sa Nv | Systeme pour l'identification d'articles en feuilles par micro-ondes |
DE3316172A1 (de) * | 1983-05-04 | 1984-11-08 | Mahlo GmbH & Co KG, 8424 Saal | Verfahren und vorrichtung zur kontrolle der farbaufnahmefaehigkeit von textilien |
US4581574A (en) * | 1984-02-21 | 1986-04-08 | The Boeing Company | Method of testing dielectric materials |
US4789820A (en) * | 1986-01-08 | 1988-12-06 | Hercules Incorporated | Apparatus and method for sensing multiple parameters of sheet material |
JPH0663986B2 (ja) * | 1986-01-21 | 1994-08-22 | 株式会社ダイポール | 平面状材料の物性量測定装置 |
US4962384A (en) * | 1986-03-06 | 1990-10-09 | Walker Charles W E | Microwave antenna apparatus |
US4975578A (en) * | 1989-04-17 | 1990-12-04 | The Research Foundation Of State University Of Ny | Method and apparatus for determining distribution of mass density |
EP0558759A1 (en) * | 1991-09-20 | 1993-09-08 | Dipole Electronics Co. Ltd. | Equipment for measuring physical quantity |
CN100395541C (zh) * | 2005-06-10 | 2008-06-18 | 东华大学 | 一种浆纱回潮率检测系统 |
FR2901023B1 (fr) * | 2006-05-10 | 2008-07-04 | Saint Gobain Isover Sa | Methode de detection des defauts localises presents dans un matelas de fibres minerales |
CN102706902B (zh) * | 2012-05-31 | 2016-02-03 | 福建凤竹纺织科技股份有限公司 | 一种织物水分在线检测装置和方法 |
WO2016126999A1 (en) * | 2015-02-04 | 2016-08-11 | Massachusetts Institute Of Technology | Rf attenuation measurement system and method |
US10591423B1 (en) * | 2017-03-22 | 2020-03-17 | Northrop Grumman Systems Corporation | Inline fabric conductivity measurement |
US10914688B2 (en) | 2018-02-28 | 2021-02-09 | Saudi Arabian Oil Company | Detecting saturation levels of a sample core using electromagnetic waves |
CN109612526B (zh) * | 2018-12-12 | 2021-04-23 | 广东省智能制造研究所 | 一种手术衣生产设备的状态检测与故障诊断系统 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3155898A (en) * | 1960-07-11 | 1964-11-03 | Industrial Nucleonics Corp | Method and apparatus for measuring multiple properties of material by applying electric fields at multiple frequencies and combining detection signals |
US3060421A (en) * | 1960-09-22 | 1962-10-23 | Allis Chalmers Mfg Co | Microwave gauge |
US3501692A (en) * | 1966-08-17 | 1970-03-17 | Hammtronics Systems Inc | Apparatus for determining the moisture content of solids and liquids |
US3551806A (en) * | 1967-04-03 | 1970-12-29 | Shinichi Sasaki | Microwave apparatus for determining moisture content of hygroscopic webs,especially during manufacture |
US3534260A (en) * | 1967-04-26 | 1970-10-13 | Charles W E Walker | Method and apparatus for measuring moisture content in sheet materials using a frequency modulation free microwave energy beam |
US3599088A (en) * | 1967-10-31 | 1971-08-10 | Beloit Corp | Microwave moisture sensing system including means to continuously change the transmission path of the microwave energy |
US3498112A (en) * | 1968-04-30 | 1970-03-03 | Us Navy | Microwave system for determining water content in fuel oil |
US3599089A (en) * | 1969-07-24 | 1971-08-10 | Dimitri S Bugnolo | Gradient sounder |
DE2309278C2 (de) * | 1973-02-24 | 1975-03-13 | Frieseke & Hoepfner Gmbh, 8520 Erlangen | Vorrichtung zur Messung der Konzentration von bestimmten Eigenschaften, zum Beispiel der Feuchtigkeit, bewegter Meßgutbahnen mittels Mikrowellenenergie |
US3810005A (en) * | 1973-03-26 | 1974-05-07 | Ind Dev Design | Flaw detection system using microwaves |
-
1977
- 1977-11-30 GB GB49857/77A patent/GB1593173A/en not_active Expired
- 1977-12-02 ZA ZA00777186A patent/ZA777186B/xx unknown
- 1977-12-07 CH CH1501277A patent/CH622349A5/de not_active IP Right Cessation
- 1977-12-07 IT IT30514/77A patent/IT1088417B/it active
- 1977-12-09 DK DK549877A patent/DK549877A/da not_active Application Discontinuation
- 1977-12-09 SE SE7714023A patent/SE7714023L/xx unknown
- 1977-12-09 JP JP14729077A patent/JPS5373197A/ja active Pending
- 1977-12-09 CA CA000292775A patent/CA1113154A/en not_active Expired
- 1977-12-12 FR FR7737355A patent/FR2373792A1/fr active Granted
-
1980
- 1980-08-06 US US06/175,779 patent/US4368421A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DK549877A (da) | 1978-06-11 |
CH622349A5 (xx) | 1981-03-31 |
CA1113154A (en) | 1981-11-24 |
FR2373792A1 (fr) | 1978-07-07 |
GB1593173A (en) | 1981-07-15 |
JPS5373197A (en) | 1978-06-29 |
IT1088417B (it) | 1985-06-10 |
US4368421A (en) | 1983-01-11 |
FR2373792B1 (xx) | 1982-12-10 |
SE7714023L (sv) | 1978-06-11 |
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