DE69030436T2 - Verfahren und Vorrichtung zum Ermitteln von Inhomogenitäten in halb-plastischen Materialien mittels Ultraschall - Google Patents

Verfahren und Vorrichtung zum Ermitteln von Inhomogenitäten in halb-plastischen Materialien mittels Ultraschall

Info

Publication number
DE69030436T2
DE69030436T2 DE69030436T DE69030436T DE69030436T2 DE 69030436 T2 DE69030436 T2 DE 69030436T2 DE 69030436 T DE69030436 T DE 69030436T DE 69030436 T DE69030436 T DE 69030436T DE 69030436 T2 DE69030436 T2 DE 69030436T2
Authority
DE
Germany
Prior art keywords
ultrasound
semi
plastic materials
inhomogeneities
determining
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.)
Expired - Fee Related
Application number
DE69030436T
Other languages
English (en)
Other versions
DE69030436D1 (de
Inventor
Ray Elswood Davis
James Roger Hall
Dana Lee Duncan
Dennis Lee Nudelman
Samir Wadi Habboosh
Michael John Westkamper
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.)
Unilever NV
Original Assignee
Unilever NV
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 Unilever NV filed Critical Unilever NV
Application granted granted Critical
Publication of DE69030436D1 publication Critical patent/DE69030436D1/de
Publication of DE69030436T2 publication Critical patent/DE69030436T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G01N29/032—Analysing fluids by measuring attenuation of acoustic waves
    • 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
    • G01N29/04—Analysing solids
    • G01N29/11—Analysing solids by measuring attenuation of acoustic waves
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/26—Sound-focusing or directing, e.g. scanning
    • G10K11/32—Sound-focusing or directing, e.g. scanning characterised by the shape of the source
    • 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
    • G01N2291/023—Solids
    • G01N2291/0231—Composite or layered materials
    • 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
    • G01N2291/023—Solids
    • G01N2291/0235—Plastics; polymers; soft materials, e.g. rubber
    • 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
    • G01N2291/023—Solids
    • G01N2291/0238—Wood
    • 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
    • G01N2291/044—Internal reflections (echoes), e.g. on walls or defects
    • 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
DE69030436T 1990-01-05 1990-12-31 Verfahren und Vorrichtung zum Ermitteln von Inhomogenitäten in halb-plastischen Materialien mittels Ultraschall Expired - Fee Related DE69030436T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/461,200 US5062299A (en) 1990-01-05 1990-01-05 Apparatus and method for detecting inhomogeneities in semi-plastic substances through ultrasound

Publications (2)

Publication Number Publication Date
DE69030436D1 DE69030436D1 (de) 1997-05-15
DE69030436T2 true DE69030436T2 (de) 1997-07-17

Family

ID=23831605

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69030436T Expired - Fee Related DE69030436T2 (de) 1990-01-05 1990-12-31 Verfahren und Vorrichtung zum Ermitteln von Inhomogenitäten in halb-plastischen Materialien mittels Ultraschall

Country Status (5)

Country Link
US (1) US5062299A (de)
EP (1) EP0446533B1 (de)
CA (1) CA2033533C (de)
DE (1) DE69030436T2 (de)
ES (1) ES2099090T3 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4203755C2 (de) * 1992-02-10 1995-04-20 Reifenhaeuser Masch Verfahren zum Regeln der einzelnen Schichtdicken einer koextrudierten mehrschichtigen Kunststoffbahn
US5606113A (en) * 1994-09-06 1997-02-25 The University Of Chicago Acoustic methods to monitor sliver linear density and yarn strength
ES2130095B1 (es) * 1997-11-27 2000-01-16 Gres De Nules S A Gresnul S A Procedimiento y dispositivo para medir y controlar la densidad aparente y otras caracteristicas de piezas ceramicas.
FI990153A0 (fi) * 1999-01-28 1999-01-28 Valtion Teknillinen Tiheysjakaumaltaan homogeenisen materiaalin/puuhakkeen kosteuden on-line mittausmenetelmä perustuen gammasäteilyn transmissioon ja materiaaliin paksuuden mittaukseen
US6992771B2 (en) * 2001-11-28 2006-01-31 Battelle Memorial Institute Systems and techniques for detecting the presence of foreign material
US6786096B2 (en) 2001-11-28 2004-09-07 Battelle Memorial Institute System and technique for detecting the presence of foreign material
US6763698B2 (en) 2002-03-15 2004-07-20 Battelle Memorial Institute Self calibrating system and technique for ultrasonic determination of fluid properties
US7395711B2 (en) * 2002-05-06 2008-07-08 Battelle Memorial Institute System and technique for characterizing fluids using ultrasonic diffraction grating spectroscopy
US20060266119A1 (en) * 2005-05-23 2006-11-30 Applied Sonics, Incorporated Ultrasonic system for on-line monitoring of pressed materials
US7712651B2 (en) * 2008-01-04 2010-05-11 G. James Australia Pty. Ltd. Method of welding heated log segments in an aluminum extrusion process
US8181523B2 (en) * 2008-07-22 2012-05-22 Nuovo Pignone S.P.A. Ultrasound inspection methods for noisy cast materials and related probes
US9267922B2 (en) * 2010-09-21 2016-02-23 Miroslaw Wrobel Method and system for product supply chain assurance
EP2551087A1 (de) * 2011-07-28 2013-01-30 Rhein Chemie Rheinau GmbH Verfahren zur Bestimmung der Qualität von unvernetzten Kautschukmischungen sowie eine entsprechende Vorrichtung

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2966056A (en) * 1956-01-20 1960-12-27 Curtiss Wright Corp Ultrasonic testing device
GB998173A (en) * 1963-02-04 1965-07-14 George Andrew Douglas Gordon Method and apparatus for destroying limited groups of cells
US3832887A (en) * 1969-06-25 1974-09-03 Automation Ind Inc Ultrasonic inspection apparatus
GB1370946A (en) * 1971-05-14 1974-10-16 Wavin Plastics Ltd Extrusion of thermoplastics materials
DE2345884C3 (de) * 1973-09-12 1979-05-23 Ruhrkohle Ag, 4300 Essen Verfahren und Anordnung zur Vorfelderkundung im Zuge des Abbaus eines Kohleflözes
JPS5550438B2 (de) * 1974-11-25 1980-12-18
US4208915A (en) * 1979-01-31 1980-06-24 Edwards Bill R Method of determining foreign material in food products using ultrasonic sound
US4384476A (en) * 1980-12-11 1983-05-24 Metramatic Corp. Apparatus for and method of ultrasonically inspecting foodstuffs
US4509360A (en) * 1983-06-24 1985-04-09 Massachusetts Institute Of Technology On-line measurement of fluid mixtures
FI71018C (fi) * 1983-07-06 1986-10-27 Valmet Oy Foerfarande baserande sig pao ekolodning med ultraljud foer at foelja med banbildningen och/eller massasuspensionsstroe mmn pao en viradel och/eller i en inloppslaoda i en pappers makin och anordning foer tillaempning av foerfarandet samt vanendning av foerfarandet och/eller anordningen
DE3604111A1 (de) * 1986-02-10 1987-10-15 Nukem Gmbh Verfahren und vorrichtung zum erkennen von fehlerstellen in einem gegenstand
US4821573A (en) * 1986-10-15 1989-04-18 Fujimori Kogyo Co., Ltd. Ultrasonic method of inspecting contents of a package and apparatus thereof
US4821558A (en) * 1987-05-01 1989-04-18 Abbott Laboratories Ultrasonic detector

Also Published As

Publication number Publication date
ES2099090T3 (es) 1997-05-16
CA2033533A1 (en) 1991-07-06
DE69030436D1 (de) 1997-05-15
EP0446533A3 (en) 1991-11-27
EP0446533A2 (de) 1991-09-18
EP0446533B1 (de) 1997-04-09
CA2033533C (en) 1998-04-14
US5062299A (en) 1991-11-05

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee