FR2447030B1 - - Google Patents
Info
- Publication number
- FR2447030B1 FR2447030B1 FR8000905A FR8000905A FR2447030B1 FR 2447030 B1 FR2447030 B1 FR 2447030B1 FR 8000905 A FR8000905 A FR 8000905A FR 8000905 A FR8000905 A FR 8000905A FR 2447030 B1 FR2447030 B1 FR 2447030B1
- Authority
- FR
- France
- 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.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/44—Resins; Plastics; Rubber; Leather
- G01N33/442—Resins; Plastics
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/296—Acoustic waves
- G01F23/2962—Measuring transit time of reflected waves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/60—Measuring, controlling or regulating
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/02836—Flow rate, liquid level
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Medicinal Chemistry (AREA)
- Analytical Chemistry (AREA)
- Food Science & Technology (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US416479A | 1979-01-17 | 1979-01-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2447030A1 FR2447030A1 (fr) | 1980-08-14 |
| FR2447030B1 true FR2447030B1 (US20080293856A1-20081127-C00127.png) | 1983-12-02 |
Family
ID=21709490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8000905A Granted FR2447030A1 (fr) | 1979-01-17 | 1980-01-16 | Procede et appareil de mesure de la vitesse de gonflement d'une mousse de polymere |
Country Status (4)
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2499294A1 (fr) * | 1981-02-04 | 1982-08-06 | Framatome Sa | Procede et dispositif de surveillance des barres de controles d'un reacteur nucleaire |
| DE4004683A1 (de) * | 1990-02-15 | 1991-08-22 | Egner Siegfried | Vorrichtung zur begrenzung des abflusses eines wasserbeckens |
| JP3063792B2 (ja) * | 1991-06-25 | 2000-07-12 | オリンパス光学工業株式会社 | 超音波液面計測装置 |
| DE4243172A1 (de) * | 1992-12-19 | 1994-06-30 | Kleine Franz Maschf | Verfahren und Vorrichtung zur Bestimmung des Bodenabstandes einer Ultraschalleinrichtung |
| DE10208952B4 (de) * | 2002-02-28 | 2004-04-08 | Bayer Ag | Screeningverfahren zur Herstellung und Charakterisierung von Polyurethan-Schaumstoffen |
| DE102013013386A1 (de) * | 2013-08-10 | 2015-02-26 | Format Messtechnik Gmbh | Vorrichtung und Verfahren zur Erfassung des Expansionsverhaltens von Einkomponenten-Kunststoffschäumen |
| DE102017215394A1 (de) * | 2017-09-04 | 2019-03-07 | Bayerische Motoren Werke Aktiengesellschaft | Vorrichtung zur Messung und/oder Erfassung eines Schäumungsverhaltens eines Schaums |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3223964A (en) * | 1962-06-27 | 1965-12-14 | Stadlin Louis | Ultrasonic material measuring and control system |
| FR1504446A (fr) * | 1966-02-08 | 1967-12-08 | Electronique Appliquee | Perfectionnements aux systèmes de jauges de niveau à ultra-sons |
| FR1514156A (fr) * | 1966-11-08 | 1968-02-23 | Realisations Ultrasoniques Sa | Appareil de mesure de niveaux par réflexion d'impulsions ultrasonores |
| US3985030A (en) * | 1974-10-29 | 1976-10-12 | William Mcgeoch & Company | Ultrasonic acoustic pulse echo ranging system |
| US4000650B1 (en) * | 1975-03-20 | 1995-11-14 | Endress Hauser Gmbh Co | Method and apparatus for ultrasonic material level measurement |
| CH607002A5 (US20080293856A1-20081127-C00127.png) * | 1976-06-09 | 1978-11-30 | Endress G H & Co | |
| JPS53118161A (en) * | 1977-03-25 | 1978-10-16 | Sumitomo Metal Ind | Measuring method of slug forming by micro wave level meter |
-
1980
- 1980-01-16 CH CH36080A patent/CH644692A5/de not_active IP Right Cessation
- 1980-01-16 FR FR8000905A patent/FR2447030A1/fr active Granted
- 1980-01-17 DE DE19803001602 patent/DE3001602A1/de not_active Withdrawn
- 1980-01-17 NL NL8000321A patent/NL8000321A/nl not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| CH644692A5 (en) | 1984-08-15 |
| DE3001602A1 (de) | 1980-07-31 |
| FR2447030A1 (fr) | 1980-08-14 |
| NL8000321A (nl) | 1980-07-21 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property | ||
| ST | Notification of lapse |