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 polymere

Info

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
Application number
FR8000905A
Other languages
English (en)
French (fr)
Other versions
FR2447030B1 (US08063081-20111122-C00044.png
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pharmacia and Upjohn Co
Original Assignee
Upjohn Co
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.)
Filing date
Publication date
Application filed by Upjohn Co filed Critical Upjohn Co
Publication of FR2447030A1 publication Critical patent/FR2447030A1/fr
Application granted granted Critical
Publication of FR2447030B1 publication Critical patent/FR2447030B1/fr
Granted legal-status Critical Current

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)
FR8000905A 1979-01-17 1980-01-16 Procede et appareil de mesure de la vitesse de gonflement d'une mousse de polymere Granted FR2447030A1 (fr)

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 (US08063081-20111122-C00044.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)

Country Link
CH (1) CH644692A5 (US08063081-20111122-C00044.png)
DE (1) DE3001602A1 (US08063081-20111122-C00044.png)
FR (1) FR2447030A1 (US08063081-20111122-C00044.png)
NL (1) NL8000321A (US08063081-20111122-C00044.png)

Cited By (2)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (8)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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
FR2447030B1 (US08063081-20111122-C00044.png) 1983-12-02
CH644692A5 (en) 1984-08-15
DE3001602A1 (de) 1980-07-31
NL8000321A (nl) 1980-07-21

Similar Documents

Publication Publication Date Title
JPS6457112A (en) Portable measuring apparatus
GB1482350A (en) Ultra sonic testing
IL90263A (en) Ultrasonic densitometer device and method for its use
DE68901800D1 (de) Ultraschallwindmesser.
Rooney Determination of acoustic power outputs in the microwatt-milliwatt range
SE7904629L (sv) Sett och anordning for ultraljudsmetning av pakenningskoncentrationer
FR2402376B1 (fr) Transducteur ultrasonore et appareil de detection d'un niveau de liquide
US3554014A (en) Apparatus for measuring the thickness of a workpiece in a liquid temperature compensation means
FR2447030A1 (fr) Procede et appareil de mesure de la vitesse de gonflement d'une mousse de polymere
SE8107838L (sv) Sett och anordning for materialprovning med ultraljud
GB1348154A (en) Instruments for the measurement of foetal heart rate and intrauterine pressure
Li et al. Blood vessel diameter measurement by ultrasound
PT71535A (fr) Procede et dispositif pour la mesure du niveau de la l'appreciation de son etat physique
GB1332924A (en) Arrangements and methods for the measurement of acoustiv velocity
CA2076137A1 (en) Apparatus for determining the mechanical properties of a solid
JPS5550173A (en) Method of measuring distance by ultrasonic wave
JPS56111480A (en) Measuring device for motion speed
JPS56124072A (en) Optical wave distance measurement instrument
JPS5629122A (en) Measuring method of level in tank
JPS5661619A (en) Ultrasonic level gauge
ATE111217T1 (de) Gerät zur ultraschallprüfung der verkeilung eines werkstücks.
SU586341A1 (ru) Способ определени скорости и затухани ультразвука в средах
SU1374059A1 (ru) Способ градуировки измерител скорости распространени ультразвука
SU925334A1 (ru) Устройство дл определени размеров головки внутриутробного плода
GB1260712A (en) Ultrasonic pulse-echo apparatus

Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse