FR2447030A1 - Procede et appareil de mesure de la vitesse de gonflement d'une mousse de polymere - Google Patents
Procede et appareil de mesure de la vitesse de gonflement d'une mousse de polymereInfo
- Publication number
- FR2447030A1 FR2447030A1 FR8000905A FR8000905A FR2447030A1 FR 2447030 A1 FR2447030 A1 FR 2447030A1 FR 8000905 A FR8000905 A FR 8000905A FR 8000905 A FR8000905 A FR 8000905A FR 2447030 A1 FR2447030 A1 FR 2447030A1
- Authority
- FR
- France
- Prior art keywords
- foam mixture
- signals
- transmitted
- rise rate
- signal
- 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.)
- Granted
Links
- 239000006260 foam Substances 0.000 title abstract 7
- 238000000034 method Methods 0.000 title abstract 2
- 229920000642 polymer Polymers 0.000 title 1
- 239000000203 mixture Substances 0.000 abstract 6
- 230000010354 integration Effects 0.000 abstract 2
- 238000005259 measurement Methods 0.000 abstract 1
- 230000009257 reactivity Effects 0.000 abstract 1
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 true FR2447030A1 (fr) | 1980-08-14 |
FR2447030B1 FR2447030B1 (ja) | 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)
Country | Link |
---|---|
CH (1) | CH644692A5 (ja) |
DE (1) | DE3001602A1 (ja) |
FR (1) | FR2447030A1 (ja) |
NL (1) | NL8000321A (ja) |
Cited By (2)
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 |
EP1340977A2 (de) * | 2002-02-28 | 2003-09-03 | Bayer Ag | Screeningverfahren zur Herstellung und Charakterisierung von Polyurethanschaumstoffen |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
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 |
Citations (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 |
FR1514156A (fr) * | 1966-11-08 | 1968-02-23 | Realisations Ultrasoniques Sa | Appareil de mesure de niveaux par réflexion d'impulsions ultrasonores |
US3486377A (en) * | 1966-02-08 | 1969-12-30 | Electronique Appliquee | Ultrasonic gauge system |
US3985030A (en) * | 1974-10-29 | 1976-10-12 | William Mcgeoch & Company | Ultrasonic acoustic pulse echo ranging system |
US4000650A (en) * | 1975-03-20 | 1977-01-04 | Bindicator Company | Method and apparatus for ultrasonic material level measurement |
FR2354542A1 (fr) * | 1976-06-09 | 1978-01-06 | Endress & Co G H | Procede et dispositif de mesure du niveau de remplissage d'un reservoir, respectivement de la hauteur d'une matiere en vrac sur un emplacement de stockage |
FR2385085A1 (fr) * | 1977-03-25 | 1978-10-20 | Sumitomo Metal Ind | Procede et dispositif pour mesurer l'ecume de scories en utilisant un indicateur de niveau a micro-ondes |
-
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 NL NL8000321A patent/NL8000321A/nl not_active Application Discontinuation
- 1980-01-17 DE DE19803001602 patent/DE3001602A1/de not_active Withdrawn
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3223964A (en) * | 1962-06-27 | 1965-12-14 | Stadlin Louis | Ultrasonic material measuring and control system |
US3486377A (en) * | 1966-02-08 | 1969-12-30 | Electronique Appliquee | Ultrasonic gauge system |
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 |
US4000650A (en) * | 1975-03-20 | 1977-01-04 | Bindicator Company | Method and apparatus for ultrasonic material level measurement |
US4000650B1 (en) * | 1975-03-20 | 1995-11-14 | Endress Hauser Gmbh Co | Method and apparatus for ultrasonic material level measurement |
FR2354542A1 (fr) * | 1976-06-09 | 1978-01-06 | Endress & Co G H | Procede et dispositif de mesure du niveau de remplissage d'un reservoir, respectivement de la hauteur d'une matiere en vrac sur un emplacement de stockage |
FR2385085A1 (fr) * | 1977-03-25 | 1978-10-20 | Sumitomo Metal Ind | Procede et dispositif pour mesurer l'ecume de scories en utilisant un indicateur de niveau a micro-ondes |
Cited By (5)
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 |
EP0057648A1 (fr) * | 1981-02-04 | 1982-08-11 | Framatome | Procédé et dispositif de surveillance du déplacement des barres de contrôle d'un réacteur nucléaire |
EP1340977A2 (de) * | 2002-02-28 | 2003-09-03 | Bayer Ag | Screeningverfahren zur Herstellung und Charakterisierung von Polyurethanschaumstoffen |
EP1340977A3 (de) * | 2002-02-28 | 2004-05-12 | Bayer MaterialScience AG | Screeningverfahren zur Herstellung und Charakterisierung von Polyurethanschaumstoffen |
US6840124B2 (en) | 2002-02-28 | 2005-01-11 | Bayer Aktiengesellschaft | Screening process for the production and characterization of polyurethane foam materials |
Also Published As
Publication number | Publication date |
---|---|
CH644692A5 (en) | 1984-08-15 |
NL8000321A (nl) | 1980-07-21 |
DE3001602A1 (de) | 1980-07-31 |
FR2447030B1 (ja) | 1983-12-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |