FR2410552A1 - Machine a extrusion pour le traitement de matieres thermoplastiques - Google Patents

Machine a extrusion pour le traitement de matieres thermoplastiques

Info

Publication number
FR2410552A1
FR2410552A1 FR7833748A FR7833748A FR2410552A1 FR 2410552 A1 FR2410552 A1 FR 2410552A1 FR 7833748 A FR7833748 A FR 7833748A FR 7833748 A FR7833748 A FR 7833748A FR 2410552 A1 FR2410552 A1 FR 2410552A1
Authority
FR
France
Prior art keywords
blocked
thermoplastic materials
treatment
rotor
extrusion machine
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.)
Withdrawn
Application number
FR7833748A
Other languages
English (en)
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.)
USM Corp
Original Assignee
USM Corp
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 USM Corp filed Critical USM Corp
Publication of FR2410552A1 publication Critical patent/FR2410552A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/68—Barrels or cylinders
    • 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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/64—Screws with two or more threads
    • B29C48/65—Screws with two or more threads neighbouring threads or channels having different configurations, e.g. one thread being lower than its neighbouring thread
    • 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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/67—Screws having incorporated mixing devices not provided for in groups B29C48/52 - B29C48/66
    • 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
    • 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
    • B29C2948/92571—Position, e.g. linear or angular
    • 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
    • B29C2948/92885—Screw or gear
    • 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
    • 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
    • B29C48/268—Throttling of the flow, e.g. for cooperating with plasticising elements or for degassing
    • 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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

LADITE MACHINE COMPORTE UN CORPS PRESENTANT UN ALESAGE LONGITUDINAL DANS LEQUEL TOURILLONNE UN ROTOR PRESENTANT PLUSIEURS SECTIONS DISPOSEES SUCCESSIVEMENT ET DES FILETS MULTIPLES DELIMITANT DES CANAUX PRIMAIRES ET SECONDAIRES DONT LES ENTREES ET LES SORTIES SONT BLOQUEES OU OBTUREES PAR DES BARRAGES ANNULAIRES. L'ALESAGE PRESENTE LE LONG DE SON AXE PLUSIEURS GORGES ANNULAIRES DE SECTION SYMETRIQUE OU NON, LEGEREMENT DECALEES PAR RAPPORT AUX ETRANGLEMENTS ANNULAIRES DU ROTOR. APPLICATION A L'EXTRUSION DE DIVERSES MATIERES THERMOPLASTIQUES TELLES QUE LE POLYETHYLENE DE FAIBLE DENSITE.
FR7833748A 1977-12-02 1978-11-29 Machine a extrusion pour le traitement de matieres thermoplastiques Withdrawn FR2410552A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/857,181 US4152077A (en) 1977-12-02 1977-12-02 Homogenization extruder

Publications (1)

Publication Number Publication Date
FR2410552A1 true FR2410552A1 (fr) 1979-06-29

Family

ID=25325391

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7833748A Withdrawn FR2410552A1 (fr) 1977-12-02 1978-11-29 Machine a extrusion pour le traitement de matieres thermoplastiques

Country Status (14)

Country Link
US (1) US4152077A (fr)
JP (1) JPS5486553A (fr)
AU (1) AU4202478A (fr)
BE (1) BE872375A (fr)
BR (1) BR7807990A (fr)
DD (1) DD140223A5 (fr)
DE (1) DE2852046A1 (fr)
ES (1) ES475865A1 (fr)
FR (1) FR2410552A1 (fr)
GB (1) GB2009028B (fr)
IT (1) IT7830463A0 (fr)
LU (1) LU80604A1 (fr)
NL (1) NL7811641A (fr)
SE (1) SE7812358L (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4632795A (en) * 1982-11-26 1986-12-30 Wenger Manufacturing, Inc. Method and apparatus for extrusion processing of cellulose bearing materials
GB2131342B (en) * 1982-11-26 1986-12-31 Wenger Mfg Method and apparatus for extrusion of cellulose or fibre containing materials
US5356208A (en) * 1993-04-07 1994-10-18 Zehev Tadmor Screw element having shearing and scraping flights
US6017145A (en) * 1994-12-30 2000-01-25 The Dow Chemical Company Extruder screw
ES2334339T3 (es) * 2002-11-21 2010-03-09 ANDRITZ FEED & BIOFUEL A/S Aparato de control de cizallamiento para una extrusora.

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1145787B (de) * 1959-03-10 1963-03-21 Kloeckner Humboldt Deutz Ag Schneckenstrangpresse mit einem Stauabschnitt, dessen Querschnitt veraenderlich ist
US3411179A (en) * 1966-04-12 1968-11-19 Frank W Egan & Company Extruder screw mixing section

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT307010B (de) * 1968-12-21 1973-05-10 Werner & Pfleiderer Vorrichtung zum kontinuierlichen Kneten, Mischen und Homogenisieren plastischer Massen
US3814779A (en) * 1971-04-01 1974-06-04 Cosden Oil & Chem Co Method of forming foamed polystyrene articles from polystyrene beads
US3867079A (en) * 1972-08-10 1975-02-18 Goodrich Co B F Apparatus for extruding polymeric material
US3850414A (en) * 1972-12-26 1974-11-26 H Scharer Homogenizing extruders

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1145787B (de) * 1959-03-10 1963-03-21 Kloeckner Humboldt Deutz Ag Schneckenstrangpresse mit einem Stauabschnitt, dessen Querschnitt veraenderlich ist
US3411179A (en) * 1966-04-12 1968-11-19 Frank W Egan & Company Extruder screw mixing section

Also Published As

Publication number Publication date
LU80604A1 (fr) 1979-05-16
JPS5486553A (en) 1979-07-10
IT7830463A0 (it) 1978-12-01
BE872375A (fr) 1979-03-16
NL7811641A (nl) 1979-06-06
GB2009028A (en) 1979-06-13
US4152077A (en) 1979-05-01
GB2009028B (en) 1982-05-19
BR7807990A (pt) 1979-07-31
DD140223A5 (de) 1980-02-20
SE7812358L (sv) 1979-06-03
ES475865A1 (es) 1980-02-01
AU4202478A (en) 1979-06-07
DE2852046A1 (de) 1979-06-13

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Legal Events

Date Code Title Description
ST Notification of lapse