FR2409144A1 - Installation et procede pour la mesure et la regulation d'indice de fusion d'une matiere synthetique fondue a conformer dans une installation d'extrusion - Google Patents

Installation et procede pour la mesure et la regulation d'indice de fusion d'une matiere synthetique fondue a conformer dans une installation d'extrusion

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Publication number
FR2409144A1
FR2409144A1 FR7832410A FR7832410A FR2409144A1 FR 2409144 A1 FR2409144 A1 FR 2409144A1 FR 7832410 A FR7832410 A FR 7832410A FR 7832410 A FR7832410 A FR 7832410A FR 2409144 A1 FR2409144 A1 FR 2409144A1
Authority
FR
France
Prior art keywords
installation
extrusion
synthetic material
measuring
conformed
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
FR7832410A
Other languages
English (en)
Other versions
FR2409144B1 (fr
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.)
Werner and Pfleiderer GmbH
Original Assignee
Werner and Pfleiderer GmbH
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 Werner and Pfleiderer GmbH filed Critical Werner and Pfleiderer GmbH
Publication of FR2409144A1 publication Critical patent/FR2409144A1/fr
Application granted granted Critical
Publication of FR2409144B1 publication Critical patent/FR2409144B1/fr
Granted legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/375Plasticisers, homogenisers or feeders comprising two or more stages
    • B29C48/387Plasticisers, homogenisers or feeders comprising two or more stages using a screw extruder and a gear pump
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00Mixing; Kneading
    • B29B7/30Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/46Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • B29B7/48Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00Mixing; Kneading
    • B29B7/30Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/58Component parts, details or accessories; Auxiliary operations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00Mixing; Kneading
    • B29B7/30Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/58Component parts, details or accessories; Auxiliary operations
    • B29B7/60Component parts, details or accessories; Auxiliary operations for feeding, e.g. end guides for the incoming material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00Mixing; Kneading
    • B29B7/30Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/58Component parts, details or accessories; Auxiliary operations
    • B29B7/72Measuring, controlling or regulating
    • B29B7/726Measuring properties of mixture, e.g. temperature or density
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00Mixing; Kneading
    • B29B7/30Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/58Component parts, details or accessories; Auxiliary operations
    • B29B7/72Measuring, controlling or regulating
    • B29B7/728Measuring data of the driving system, e.g. torque, speed, power, vibration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
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    • B29B7/82Heating or cooling
    • B29B7/826Apparatus therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
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    • B29B7/80Component parts, details or accessories; Auxiliary operations
    • B29B7/84Venting or degassing ; Removing liquids, e.g. by evaporating components
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    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/40Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
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    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C2793/00Shaping techniques involving a cutting or machining operation
    • B29C2793/0027Cutting off
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92009Measured parameter
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    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C2948/92009Measured parameter
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    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
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    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92009Measured parameter
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    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C48/78Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/86Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
    • B29C48/87Cooling

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

A. INSTALLATION AVEC POMPE DE DOSAGE POUR UNE BUSE DE MESURE DANS UN CANAL A ECHANTILLON ET DES CAPTEURS DE PRESSION ET DE TEMPERATURE AVANT L'OUTIL D'EXTRUSION. B. INSTALLATION CARACTERISEE PAR, A LA SORTIE D'UN MALAXEUR A VIS SANS FIN 1, UN ETRANGLEMENT 29 A SECTION DE PASSAGE REGLABLE AU MOYEN D'UN MOTEUR 30 MONTE SUR LA SORTIE D'UN REGULATEUR A DEUX COORDONNEES PROGRAMMABLE 55 DONT LA COURBE CARACTERISTIQUE DE REGLAGE EST SOIT UNE COURBE TEMPERATUREPRESSION, SOIT UNE COURBE TEMPERATUREDEBIT, LE CAPTEUR DE TEMPERATURE 50 ETANT RACCORDE A UNE DES ENTREES DE VALEUR REELLE 56, ET LE CAPTEUR DE PRESSION ETANT RACCORDE A L'AUTRE ENTREE DE VALEUR REELLE 57 DU REGULATEUR. C. INSTALLATION APPLICABLE AU FORMAGE PAR EXTRUSION D'UNE MATIERE SYNTHETIQUE DONT L'ETAT DE FUSION EST MAINTENU CONSTANT PAR REGULATION.
FR7832410A 1977-11-16 1978-11-16 Installation et procede pour la mesure et la regulation d'indice de fusion d'une matiere synthetique fondue a conformer dans une installation d'extrusion Granted FR2409144A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2751225A DE2751225C3 (de) 1977-11-16 1977-11-16 Vorrichtung mit einer nach dem Siebpaket eines Schneckenextruders angeordneten Schmelzindex-Meßeinrichtung und Verfahren zum Regeln der Viskosität von aufgeschmolzenem und auszuformendem Kunststoff

Publications (2)

Publication Number Publication Date
FR2409144A1 true FR2409144A1 (fr) 1979-06-15
FR2409144B1 FR2409144B1 (fr) 1984-10-19

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Family Applications (1)

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FR7832410A Granted FR2409144A1 (fr) 1977-11-16 1978-11-16 Installation et procede pour la mesure et la regulation d'indice de fusion d'une matiere synthetique fondue a conformer dans une installation d'extrusion

Country Status (6)

Country Link
US (1) US4213747A (fr)
JP (1) JPS5478762A (fr)
DE (1) DE2751225C3 (fr)
FR (1) FR2409144A1 (fr)
GB (1) GB2009972B (fr)
IT (2) IT1099856B (fr)

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US10040234B2 (en) 2014-05-27 2018-08-07 Nordson Corporation Multi-manifold extrusion die with deckle system and method of using same

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EP2512774A4 (fr) * 2009-12-18 2016-01-06 Nestec Sa Ensemble de décharge de la pression élevée et dispositif de verrouillage de l'ensemble pour l'utilisation avec des extrudeuses
US9718231B2 (en) 2009-12-18 2017-08-01 Nestec Sa High pressure relief assembly and assembly locking device for use with extruders
US10040234B2 (en) 2014-05-27 2018-08-07 Nordson Corporation Multi-manifold extrusion die with deckle system and method of using same
EP3278951A4 (fr) * 2015-04-02 2018-03-14 Bridgestone Corporation Extrudeuse avec pompe à engrenages
EP3124200A1 (fr) * 2015-07-30 2017-02-01 Nordson Corporation Système et procédé de régulation automatisée de la pression entre la sortie d'une extrudeuse et l'entrée de la filière

Also Published As

Publication number Publication date
FR2409144B1 (fr) 1984-10-19
GB2009972B (en) 1982-06-09
IT1099856B (it) 1985-09-28
US4213747A (en) 1980-07-22
IT1099656B (it) 1985-09-28
DE2751225C3 (de) 1981-08-13
JPS6234532B2 (fr) 1987-07-28
GB2009972A (en) 1979-06-20
JPS5478762A (en) 1979-06-23
IT7829231A0 (it) 1978-10-30
DE2751225A1 (de) 1979-05-17
DE2751225B2 (de) 1981-01-08

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