FR2437287A1 - Extrudeuse reglable pour matieres thermoplastiques - Google Patents

Extrudeuse reglable pour matieres thermoplastiques

Info

Publication number
FR2437287A1
FR2437287A1 FR7923827A FR7923827A FR2437287A1 FR 2437287 A1 FR2437287 A1 FR 2437287A1 FR 7923827 A FR7923827 A FR 7923827A FR 7923827 A FR7923827 A FR 7923827A FR 2437287 A1 FR2437287 A1 FR 2437287A1
Authority
FR
France
Prior art keywords
thermoplastic materials
extruder
less
homogeneization
adjustable extruder
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
FR7923827A
Other languages
English (en)
Other versions
FR2437287B1 (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.)
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 FR2437287A1 publication Critical patent/FR2437287A1/fr
Application granted granted Critical
Publication of FR2437287B1 publication Critical patent/FR2437287B1/fr
Granted 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
    • B29C48/505—Screws
    • B29C48/62—Screws characterised by the shape of the thread channel, e.g. U-shaped
    • 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
    • B29C48/56—Screws having grooves or cavities other than the thread or the channel
    • 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

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

L'INVENTION CONCERNE UNE EXTRUDEUSE DESTINEE AU TRAITEMENT DES MATIERES PLASTIQUES. ELLE SE RAPPORTE A UNE EXTRUDEUSE COMPRENANT PLUSIEURS PARTIES D'HOMOGENEISATION ET DE MELANGE QUI COMPORTENT AU MOINS UN BOUCHON OU BARRAGE 76 PLACE A LA SORTIE ET QUI PEUT ETRE REGLE AFIN QU'IL DEPASSE PLUS OU MOINS SUR LE TRAJET DE LA MATIERE PLASTIQUE ET QU'IL CREE AINSI UNE CONTRE-PRESSION PLUS OU MOINS GRANDE PROVOQUANT UNE HOMOGENEISATION PLUS OU MOINS GRANDE DE LA MATIERE TRAITEE. APPLICATION A LA REALISATION D'EXTRUDEUSES POUVANT TRAITER DES MATIERES THERMOPLASTIQUES TRES DIVERSES.
FR7923827A 1978-09-26 1979-09-25 Extrudeuse reglable pour matieres thermoplastiques Granted FR2437287A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/946,093 US4213710A (en) 1978-09-26 1978-09-26 Adjustable homogenization extruder

Publications (2)

Publication Number Publication Date
FR2437287A1 true FR2437287A1 (fr) 1980-04-25
FR2437287B1 FR2437287B1 (fr) 1984-04-27

Family

ID=25483947

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7923827A Granted FR2437287A1 (fr) 1978-09-26 1979-09-25 Extrudeuse reglable pour matieres thermoplastiques

Country Status (16)

Country Link
US (1) US4213710A (fr)
JP (1) JPS5546952A (fr)
AU (1) AU537892B2 (fr)
BE (1) BE878992A (fr)
CA (1) CA1134578A (fr)
DD (1) DD146024A5 (fr)
DE (1) DE2937688A1 (fr)
ES (1) ES484835A1 (fr)
FR (1) FR2437287A1 (fr)
GB (1) GB2032291B (fr)
IT (1) IT1164514B (fr)
LU (1) LU81723A1 (fr)
MX (1) MX149833A (fr)
NL (1) NL7907027A (fr)
SE (1) SE437632B (fr)
SU (1) SU990073A3 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3318793A1 (de) * 1983-05-24 1985-01-24 KHD Humboldt Wedag AG, 5000 Köln Vorrichtung zum entfeuchten von schlamm
US4723847A (en) * 1987-02-17 1988-02-09 Dray Robert F Apparatus for varying pressure within a screw channel
US4926790A (en) * 1988-09-22 1990-05-22 Xerox Corporation Auger unit
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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1778076A1 (de) * 1968-03-26 1971-07-08 Doboczky Zoltan Dipl Ing Verfahren und Vorrichtung zum Aufbereiten von thermoplastischen Kunststoffen,insbesondere Hart-und Weich-PVC
US3632254A (en) * 1970-01-14 1972-01-04 Dart Ind Inc Apparatus for producing fiber reinforced plastics
FR2224283A1 (en) * 1973-04-07 1974-10-31 Krupp Gmbh Extruder worm of elastomers and thermoplastics - with threads bridged by baffle strips breaking continuity of channel

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2518124A (en) * 1948-02-10 1950-08-08 Corbett Harold Machine for mixing and molding plastic materials
DE1083535B (de) * 1956-04-11 1960-06-15 Alpine Aktien Ges Maschinenfab Schneckenstrangpresse zum Verpressen thermoplastischer Kunststoffe
US3411179A (en) * 1966-04-12 1968-11-19 Frank W Egan & Company Extruder screw mixing section
DE2124466B2 (de) * 1971-05-17 1978-09-28 Fried. Krupp Gmbh, 4300 Essen Extruder fur die Verarbeitung von Kunststoffen und Elastomeren
DE2354183A1 (de) * 1973-10-30 1975-05-07 Krupp Gmbh Extruderschnecke
DE2356313A1 (de) * 1973-11-10 1975-05-15 Krupp Gmbh Schneckenpresse
IT999896B (it) * 1973-12-05 1976-03-10 Benadi A Estrusore ad una o piu viti con dispositivo di contropressione
DE2362806A1 (de) * 1973-12-18 1975-06-19 Krupp Gmbh Schneckenpresse
DE2542515C3 (de) * 1975-09-24 1980-09-04 Paul Troester Maschinenfabrik, 3000 Hannover Extruderschnecke für die Verarbeitung von Kunststoffen und Kautschuk

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1778076A1 (de) * 1968-03-26 1971-07-08 Doboczky Zoltan Dipl Ing Verfahren und Vorrichtung zum Aufbereiten von thermoplastischen Kunststoffen,insbesondere Hart-und Weich-PVC
US3632254A (en) * 1970-01-14 1972-01-04 Dart Ind Inc Apparatus for producing fiber reinforced plastics
FR2224283A1 (en) * 1973-04-07 1974-10-31 Krupp Gmbh Extruder worm of elastomers and thermoplastics - with threads bridged by baffle strips breaking continuity of channel

Also Published As

Publication number Publication date
JPS5546952A (en) 1980-04-02
MX149833A (es) 1983-12-28
ES484835A1 (es) 1980-04-16
DE2937688A1 (de) 1980-04-10
NL7907027A (nl) 1980-03-28
SU990073A3 (ru) 1983-01-15
LU81723A1 (fr) 1980-01-24
GB2032291B (en) 1982-08-11
SE437632B (sv) 1985-03-11
DD146024A5 (de) 1981-01-21
AU5111179A (en) 1980-04-03
GB2032291A (en) 1980-05-08
IT7925991A0 (it) 1979-09-25
AU537892B2 (en) 1984-07-19
CA1134578A (fr) 1982-11-02
BE878992A (fr) 1980-01-16
IT1164514B (it) 1987-04-15
SE7907928L (sv) 1980-03-27
DE2937688C2 (fr) 1992-11-19
US4213710A (en) 1980-07-22
FR2437287B1 (fr) 1984-04-27

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse
ST Notification of lapse