DE2012207B2 - Verfahren und vorrichtung zum steuern und/oder regeln viskositaetsabhaengiger verfahrensvorgaenge - Google Patents

Verfahren und vorrichtung zum steuern und/oder regeln viskositaetsabhaengiger verfahrensvorgaenge

Info

Publication number
DE2012207B2
DE2012207B2 DE19702012207 DE2012207A DE2012207B2 DE 2012207 B2 DE2012207 B2 DE 2012207B2 DE 19702012207 DE19702012207 DE 19702012207 DE 2012207 A DE2012207 A DE 2012207A DE 2012207 B2 DE2012207 B2 DE 2012207B2
Authority
DE
Germany
Prior art keywords
housing
viscous mass
transmitter
mass
receiver
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
DE19702012207
Other languages
German (de)
English (en)
Other versions
DE2012207A1 (de
Inventor
Die Anmelder Sind
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.)
HERBERTZ, JOACHIM, PROF. DR.-ING., 4150 KREFELD, D
Original Assignee
Pohlman, Reimar, Dr.phil., 5100 Aachen; Menges, Georg, Dr.-Ing., 5105 Laurensberg
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 Pohlman, Reimar, Dr.phil., 5100 Aachen; Menges, Georg, Dr.-Ing., 5105 Laurensberg filed Critical Pohlman, Reimar, Dr.phil., 5100 Aachen; Menges, Georg, Dr.-Ing., 5105 Laurensberg
Priority to DE19702012207 priority Critical patent/DE2012207B2/de
Priority to JP46013404A priority patent/JPS5131356B1/ja
Priority to FR717108749A priority patent/FR2091976B1/fr
Priority to GB2398071*A priority patent/GB1346095A/en
Publication of DE2012207A1 publication Critical patent/DE2012207A1/de
Publication of DE2012207B2 publication Critical patent/DE2012207B2/de
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D24/00—Control of viscosity
    • G05D24/02—Control of viscosity characterised by the use of electric means
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/02—Analysing fluids
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92009—Measured parameter
    • B29C2948/92085—Velocity
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92009—Measured parameter
    • B29C2948/9218—Weight
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92009—Measured parameter
    • B29C2948/922—Viscosity; Melt flow index [MFI]; Molecular weight
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92009—Measured parameter
    • B29C2948/92209—Temperature
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92009—Measured parameter
    • B29C2948/92219—Degree of crosslinking, solidification, crystallinity or homogeneity
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92323—Location or phase of measurement
    • B29C2948/92361—Extrusion unit
    • B29C2948/9238—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92323—Location or phase of measurement
    • B29C2948/92361—Extrusion unit
    • B29C2948/92409—Die; Nozzle zone
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92323—Location or phase of measurement
    • B29C2948/92457—Drive section, e.g. gearbox, motor or drive fluids
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • 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
    • G01N2291/01—Indexing codes associated with the measuring variable
    • G01N2291/011—Velocity or travel time
    • 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
    • G01N2291/01—Indexing codes associated with the measuring variable
    • G01N2291/015—Attenuation, scattering
    • 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
    • G01N2291/025—Change of phase or condition
    • G01N2291/0251—Solidification, icing, curing composites, polymerisation
    • 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
    • G01N2291/025—Change of phase or condition
    • G01N2291/0253—Condensation
    • 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
    • G01N2291/025—Change of phase or condition
    • G01N2291/0255—(Bio)chemical reactions, e.g. on biosensors
    • 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
    • G01N2291/02818—Density, viscosity
    • 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
    • G01N2291/02881—Temperature
    • 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
    • G01N2291/04—Wave modes and trajectories
    • G01N2291/042—Wave modes
    • G01N2291/0421—Longitudinal waves
    • 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
    • G01N2291/04—Wave modes and trajectories
    • G01N2291/042—Wave modes
    • G01N2291/0422—Shear waves, transverse waves, horizontally polarised waves
    • 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
    • G01N2291/10—Number of transducers
    • G01N2291/101—Number of transducers one transducer
    • 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
    • G01N2291/10—Number of transducers
    • G01N2291/102—Number of transducers one emitter, one receiver

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Acoustics & Sound (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Polymerisation Methods In General (AREA)
  • Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
  • Control Of Non-Electrical Variables (AREA)
DE19702012207 1970-03-14 1970-03-14 Verfahren und vorrichtung zum steuern und/oder regeln viskositaetsabhaengiger verfahrensvorgaenge Granted DE2012207B2 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE19702012207 DE2012207B2 (de) 1970-03-14 1970-03-14 Verfahren und vorrichtung zum steuern und/oder regeln viskositaetsabhaengiger verfahrensvorgaenge
JP46013404A JPS5131356B1 (online.php) 1970-03-14 1971-03-12
FR717108749A FR2091976B1 (online.php) 1970-03-14 1971-03-12
GB2398071*A GB1346095A (en) 1970-03-14 1971-04-19 Method and apparatus for the open and/or closed loop control of viscosity dependent processes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702012207 DE2012207B2 (de) 1970-03-14 1970-03-14 Verfahren und vorrichtung zum steuern und/oder regeln viskositaetsabhaengiger verfahrensvorgaenge

Publications (2)

Publication Number Publication Date
DE2012207A1 DE2012207A1 (de) 1971-09-23
DE2012207B2 true DE2012207B2 (de) 1972-12-28

Family

ID=5765109

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19702012207 Granted DE2012207B2 (de) 1970-03-14 1970-03-14 Verfahren und vorrichtung zum steuern und/oder regeln viskositaetsabhaengiger verfahrensvorgaenge

Country Status (4)

Country Link
JP (1) JPS5131356B1 (online.php)
DE (1) DE2012207B2 (online.php)
FR (1) FR2091976B1 (online.php)
GB (1) GB1346095A (online.php)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10202248A1 (de) * 2002-01-21 2003-07-31 Buehler Ag System zur Beeinflussung der rheologischen Eigenschaften eines förderbaren Materials

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CS212352B1 (en) * 1978-08-01 1982-03-26 Jiri Docekal Method of continuous measuring the changes of rheological properties of polymeres in the course of the polymerization process
DE3518155A1 (de) * 1985-05-21 1986-11-27 Reifenhäuser GmbH & Co Maschinenfabrik, 5210 Troisdorf Verfahren zur herstellung einer kunststoffolie mit geringer dickentoleranz
FR2588664B1 (fr) * 1985-10-15 1988-07-15 Metravib Sa Appareil pour mesurer des proprietes physiques d'un milieu, notamment les proprietes rheologiques.
WO1994027142A1 (de) * 1993-05-19 1994-11-24 Flueh Gerd Verfahren und vorrichtung zum erkennen von fremdkörpern in viskosen oder flüssigen lebensmitteln mit stückigen inhaltsstoffen
AR024360A1 (es) * 1999-06-15 2002-10-02 Dow Global Technologies Inc Proceso y aparato para preparar una composicion que utiliza una alimentacion de pasta
WO2001096854A2 (en) * 2000-06-15 2001-12-20 Dow Global Technologies Inc Process and apparatus for preparing polymers, utilizing a side stream ultrasonic device for monitoring and controlling the properties of the polymer
GB0031564D0 (en) * 2000-12-22 2001-02-07 Borealis Tech Oy Viscosity measurement
DE102009004946B4 (de) * 2008-10-22 2015-04-09 Sikora Aktiengesellschaft Verfahren und Vorrichtung zur Messung der Temperatur eines plastifizierten Kunststoffs am Ausgang eines Extruders
GB2481431A (en) 2010-06-24 2011-12-28 Cherry Pipes Ltd Polymer Extrusion
GB201112530D0 (en) * 2011-07-21 2011-08-31 Res Ltd Injection moulding nozzle
WO2013135614A1 (de) * 2012-03-13 2013-09-19 Basf Se Verfahren zur regelung der viskosität eines mindestens zwei komponenten mit unterschiedlicher viskosität enthaltenden gemischs
US9170184B2 (en) 2012-03-13 2015-10-27 Basf Se Method of regulating the viscosity of a mixture comprising at least two components having different viscosities
JP6493242B2 (ja) * 2016-02-15 2019-04-03 オムロン株式会社 成形機、制御装置、および成形装置
CN106442219B (zh) * 2016-09-20 2018-10-23 北京工商大学 一种螺杆挤出机流场特性测试设备

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10202248A1 (de) * 2002-01-21 2003-07-31 Buehler Ag System zur Beeinflussung der rheologischen Eigenschaften eines förderbaren Materials

Also Published As

Publication number Publication date
FR2091976B1 (online.php) 1974-06-28
FR2091976A1 (online.php) 1972-01-21
GB1346095A (en) 1974-02-06
DE2012207A1 (de) 1971-09-23
JPS5131356B1 (online.php) 1976-09-06

Similar Documents

Publication Publication Date Title
DE2833997A1 (de) Fluessigkeitsdetektor
DE2749859C2 (online.php)
DE2405584C3 (de) System zum impulsweisen Ausstoßen von Tröpfchen
DE2950732C2 (de) Ultraschall-Strömungsmesser und Verfahren zur Strömungsmessung
DE3815003C2 (online.php)
EP0104172B1 (de) Einrichtung zur bestimmung eines relativabstands bei einer zylinder-kolben-einheit
DE2012207A1 (de) Verfahren und Vorrichtung zum Steuern und/oder Regeln viskositätsabhängiger Ver fahrensvorgänge
EP3489634A1 (de) Ultraschall-messvorrichtung und verfahren zur ultraschallmessung an einem strömenden fluid
DE3034642A1 (de) Verfahren und vorrichtung zur zerstoerungsfreien messung der druckfestigkeit einer zementschlammprobe
DE2024882C3 (de) Vorrichtung zum Messen physikalischer Eigenschaften eines Fließmediums
WO2010026253A1 (de) Impulsechoverfahren mittels gruppenstrahler und temperaturkompensation
DE102008027228B4 (de) Verfahren und Vorrichtung zur zerstörungsfreien Ultraschalluntersuchung eines Prüfstücks mit zueinander gewinkelten, ebenen Oberflächen
EP0653061A1 (de) Verfahren zur bewertung von schweissverbindungen
DE102008029772A1 (de) Verfahren und Messsystem zur Bestimmung und/oder Überwachung des Durchflusses eines Messmediums durch ein Messrohr
EP1608939B1 (de) Vorrichtung zur bestimmung und/oder überwachung des volumen- und/oder massenstroms eines mediums
WO2010136350A1 (de) Vorrichtung zur bestimmung der eigenschaften eines mediums in form einer flüssigkeit oder eines weichen materials
DE102011076224A1 (de) Mehrteilige Befestigungsvorrichtung für einen Ultraschallwandler
EP2311427B1 (de) Ultraschallbehandlungsgerät und Verfahren zu dessen Betrieb
EP3517946B1 (de) Verfahren zur ermittlung eines korrigierten werts für die viskositätsabhängige schallgeschwindigkeit in einem zu untersuchenden fluid
DE10318485A1 (de) Verfahren und Vorrichtung zum Verschweißen oder Verkleben mit einer Ultraschall-Sonotrode
DE7009447U (de) Vorrichtung zum steuern und/oder regeln viskositaetsabhaengiger verfahrensvorgaenge.
WO2019091512A1 (de) Verfahren und vorrichtung zur bestimmung der position eines kolbens eines hydraulikzylinders einer werkzeugmaschine
DE3146585A1 (de) Vorrichtung zum ultraschallschweissen
DE102015113311B4 (de) Verfahren und Vorrichtung zur Positionsbestimmung eines Kolbens in einem mit Flüssigkeit befüllten Zylinder
DE102012108401B4 (de) Verfahren und Vorrichtung zur synchronen Bestimmung der rheologischen und akustischen Eigenschaften

Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
8327 Change in the person/name/address of the patent owner

Owner name: HERBERTZ, JOACHIM, PROF. DR.-ING., 4150 KREFELD, D

8339 Ceased/non-payment of the annual fee