IT8821184A0 - Oscillatore marginale per sorveglianza acustica di polimerizzazione di sostanze plastiche. - Google Patents

Oscillatore marginale per sorveglianza acustica di polimerizzazione di sostanze plastiche.

Info

Publication number
IT8821184A0
IT8821184A0 IT8821184A IT2118488A IT8821184A0 IT 8821184 A0 IT8821184 A0 IT 8821184A0 IT 8821184 A IT8821184 A IT 8821184A IT 2118488 A IT2118488 A IT 2118488A IT 8821184 A0 IT8821184 A0 IT 8821184A0
Authority
IT
Italy
Prior art keywords
plastics
polymerization
marginal oscillator
acoustic surveillance
surveillance
Prior art date
Application number
IT8821184A
Other languages
English (en)
Other versions
IT1239276B (it
Inventor
Lewis Jones Thomas Iii
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of IT8821184A0 publication Critical patent/IT8821184A0/it
Application granted granted Critical
Publication of IT1239276B publication Critical patent/IT1239276B/it

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
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/0288—Controlling heating or curing of polymers during moulding, e.g. by measuring temperatures or properties of the polymer and regulating the process
    • 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
    • G01N29/12—Analysing solids by measuring frequency or resonance of acoustic 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
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C2037/90—Measuring, controlling or regulating
    • B29C2037/903—Measuring, controlling or regulating by means of a computer
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0058—Kind of property studied
    • G01N2203/0092—Visco-elasticity, solidification, curing, cross-linking degree, vulcanisation or strength properties of semi-solid 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
    • G01N2291/025—Change of phase or condition
    • G01N2291/0251—Solidification, icing, curing composites, polymerisation

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Immunology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Thermal Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Reinforced Plastic Materials (AREA)
  • Moulding By Coating Moulds (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
IT8821184A 1987-07-13 1988-07-01 Oscillatore marginale per sorveglianza acustica di polimerizzazione di sostanze plastiche IT1239276B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/073,250 US4758803A (en) 1987-07-13 1987-07-13 Marginal oscillator for acoustic monitoring of curing of plastics

Publications (2)

Publication Number Publication Date
IT8821184A0 true IT8821184A0 (it) 1988-07-01
IT1239276B IT1239276B (it) 1993-10-19

Family

ID=22112641

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8821184A IT1239276B (it) 1987-07-13 1988-07-01 Oscillatore marginale per sorveglianza acustica di polimerizzazione di sostanze plastiche

Country Status (6)

Country Link
US (1) US4758803A (it)
JP (1) JP2686285B2 (it)
DE (1) DE3822716C2 (it)
FR (1) FR2618226B1 (it)
GB (1) GB2206966B (it)
IT (1) IT1239276B (it)

Families Citing this family (29)

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US4921415A (en) * 1987-11-27 1990-05-01 General Electric Company Cure monitoring apparatus having high temperature ultrasonic transducers
US5002475A (en) * 1988-10-04 1991-03-26 Intellex Corporation Reaction injection molding apparatus
US5009104A (en) * 1989-11-30 1991-04-23 General Dynamics Corporation Ultrasonic cure monitoring of advanced composites
EP0534027B1 (en) * 1991-09-17 1993-12-29 Showa Shell Sekiyu Kabushiki Kaisha Method for agglomeration in liquid and apparatus used therefor
US5648038A (en) * 1995-09-20 1997-07-15 Lambda Technologies Systems and methods for monitoring material properties using microwave energy
DE19737276C2 (de) * 1997-08-27 2000-12-28 Joachim Doering Verfahren und Vorrichtung zur Ultraschall-Überwachung der physikalischen und chemischen Eigenschaften von Duroplasten bei der Verarbeitung
GB9719940D0 (en) * 1997-09-19 1997-11-19 British Nuclear Fuels Plc Fluid monitor
US6680994B2 (en) 1997-09-19 2004-01-20 British Nuclear Fuels Plc Monitoring the contents of a container by ultrasonic means
GB9826787D0 (en) 1998-12-04 1999-01-27 Univ Manchester Metropolitan Low frequency monitoring of solidification
US6601451B1 (en) * 2001-06-20 2003-08-05 Iowa State University Research Foundation System and method to provide material property measurement using re-entrant ultrasound
DE10146323B4 (de) * 2001-09-20 2005-07-28 Institut Für Verbundwerkstoffe Gmbh Verfahren zur rechnergesteuerten Bestimmung von Verlaufsdaten einer Fließfront und Vorrichtung dazu
US7017412B2 (en) * 2002-04-18 2006-03-28 University Of Utah Research Foundation Continuous wave ultrasonic process monitor for polymer processing
US20050005296A1 (en) * 2002-12-11 2005-01-06 Bargroff Keith P. NxM crosspoint switch with band translation
WO2007070080A2 (en) 2005-05-04 2007-06-21 Brandt Innovative Technologies, Inc. Method and apparatus of detecting an object
WO2007048187A1 (en) * 2005-10-25 2007-05-03 Fourth Wave Pty Ltd Methods and apparatus for measuring properties of fibre samples
JP5200491B2 (ja) * 2006-11-06 2013-06-05 セイコーエプソン株式会社 駆動装置、物理量測定装置及び電子機器
US7895894B2 (en) * 2006-11-06 2011-03-01 Seiko Epson Corporation Driver device, physical quantity measuring device, and electronic instrument
WO2009152143A1 (en) 2008-06-09 2009-12-17 Materials And Sensors Technologies, Inc. Differential ultrasonic waveguide cure monitoring probe
CN102084244A (zh) * 2008-07-07 2011-06-01 雷奥森斯公司 固化的测量
GB0900746D0 (en) 2009-01-16 2009-03-04 Oxford Rf Sensors Ltd Delay-line self oscillator
GB0900747D0 (en) * 2009-01-16 2009-03-04 Isis Innovation Mechanical oscillator
GB0900745D0 (en) * 2009-01-16 2009-03-04 Isis Innovation Acoustic oscillator
DE102012103753A1 (de) * 2012-04-27 2013-10-31 Deutsches Zentrum für Luft- und Raumfahrt e.V. Überwachung eines Herstellungsprozesses
FR2995556B1 (fr) * 2012-09-17 2014-10-10 Eads Europ Aeronautic Defence Dispositif d'infusion d'une piece composite et procede associe
US11673352B2 (en) * 2016-09-20 2023-06-13 United States Of America As Represented By The Administrator Of Nasa Automated wave guide system for in-process monitoring of carbon fiber reinforced polymer (CFRP) composite laminates with hanning window tone-bursts of center frequencies from 100-225 kHz and 100-350 kHz
WO2020168404A1 (pt) * 2019-02-18 2020-08-27 Ibbx Inovação Em Sistemas De Software E Hardware Ltda Sistema e método para otimização de captura de ondas eletromagnéticas
US12303178B2 (en) 2020-03-13 2025-05-20 Wavetest, Llc Systems and methods for determining the cure of PMMA intraoperatively after implantation of an orthopedic device
US12343057B2 (en) 2020-03-13 2025-07-01 Wavetest, Llc Discrete derivative differential circuit driven system and methods for determining the cure of PMMA intraoperatively after implantation of an orthopedic device
US12433655B2 (en) 2022-03-15 2025-10-07 Orthopatent, Llc Systems and methods for monitoring the cure of PMMA bone cement during surgery

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3791792A (en) * 1972-03-29 1974-02-12 Northrop Corp Polymer cure determination method
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
US4455268A (en) * 1981-07-09 1984-06-19 Applied Polymer Technology, Inc. Control system for processing composite materials
US4494408A (en) * 1982-07-27 1985-01-22 Ford Aerospace & Communications Corporation Method and apparatus for non-destructive testing of composite materials
US4590803A (en) * 1984-06-28 1986-05-27 Westinghouse Electric Corp. Acoustic waveguide monitoring

Also Published As

Publication number Publication date
DE3822716C2 (de) 1998-11-05
DE3822716A1 (de) 1989-01-26
FR2618226B1 (fr) 1993-01-15
JPS6465902A (en) 1989-03-13
GB2206966B (en) 1991-06-05
IT1239276B (it) 1993-10-19
FR2618226A1 (fr) 1989-01-20
JP2686285B2 (ja) 1997-12-08
GB8815961D0 (en) 1988-08-10
US4758803A (en) 1988-07-19
GB2206966A (en) 1989-01-18

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950726