WO2002051618A3 - Extrusionseinrichtung - Google Patents

Extrusionseinrichtung Download PDF

Info

Publication number
WO2002051618A3
WO2002051618A3 PCT/EP2001/015094 EP0115094W WO02051618A3 WO 2002051618 A3 WO2002051618 A3 WO 2002051618A3 EP 0115094 W EP0115094 W EP 0115094W WO 02051618 A3 WO02051618 A3 WO 02051618A3
Authority
WO
WIPO (PCT)
Prior art keywords
screw
extruder barrel
thread
outlet opening
zone
Prior art date
Application number
PCT/EP2001/015094
Other languages
English (en)
French (fr)
Other versions
WO2002051618A2 (de
Inventor
Franck Poehler
Peter Stommel
Wilfried Schwarz
Original Assignee
Reifenhaeuser Masch
Franck Poehler
Peter Stommel
Wilfried Schwarz
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 Reifenhaeuser Masch, Franck Poehler, Peter Stommel, Wilfried Schwarz filed Critical Reifenhaeuser Masch
Priority to EP01986911A priority Critical patent/EP1343625A2/de
Publication of WO2002051618A2 publication Critical patent/WO2002051618A2/de
Publication of WO2002051618A3 publication Critical patent/WO2002051618A3/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/40—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
    • B29B7/42—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix
    • B29B7/425—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix with screw surrounded by a casing provided with grooves or cavities
    • 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
    • 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
    • B29C48/25—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
    • B29C48/685—Barrels or cylinders characterised by their inner surfaces, e.g. having grooves, projections or threads
    • B29C48/686—Barrels or cylinders characterised by their inner surfaces, e.g. having grooves, projections or threads having grooves or cavities
    • 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)

Abstract

Die Erfindung betrifft eine Extrusionseinrichtung zur Extrusion thermoplastischer Kunststoffe, enthaltend einen Schneckenzylinder (1) mit Eintritts- (11) und Austrittsöffnung (12) und eine im Schneckenzylinder (1) angeordnete und rotierend antreibbare Schnecke (2) mit Schneckenaußengewinde (20), wobei der Schneckenzylinder (1) und die Schnecke (2) jeweils korrespondierend eine mit der Eintrittsöffnung (11) kommunizierende Einzugszone (E), in der die Schnecke (2) mit konstanter oder variabler Gangtiefe des Schneckenaußengewindes (20) und der Schneckenzylinder (1) mit einer glatten (10) oder genuteten (100) Innenwandung ausgebildet sind und an die Einzugszone (E) in Richtung auf die Austrittsöffnung (12) anschließend eine Plastifizierzone (P) aufweisen, wobei die Plastifizierzone (P) einen Scherabschnitt (S) umfaßt, in welchem der Schneckenzylinder (1) mit einem in die Innenwandung eingebrachten und gegenläufig zum Schneckenaußengewinde (20) verlaufenden Innengewinde (101) ausgebildet ist, die Gangtiefe (G2) der Schnecke (2) in Richtung auf die Austrittsöffnung (12) zunimmt und die Gangtiefe (G1) des Innengewindes (101) des Schneckenzylinders (1) hierzu korrespondierend in Richtung auf die Austrittsöffnung (12) abnimmt.
PCT/EP2001/015094 2000-12-22 2001-12-20 Extrusionseinrichtung WO2002051618A2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP01986911A EP1343625A2 (de) 2000-12-22 2001-12-20 Extrusionseinrichtung

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20021817U DE20021817U1 (de) 2000-12-22 2000-12-22 Extrusionseinrichtung
DE20021817.4 2000-12-22

Publications (2)

Publication Number Publication Date
WO2002051618A2 WO2002051618A2 (de) 2002-07-04
WO2002051618A3 true WO2002051618A3 (de) 2002-10-24

Family

ID=7950505

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2001/015094 WO2002051618A2 (de) 2000-12-22 2001-12-20 Extrusionseinrichtung

Country Status (3)

Country Link
EP (1) EP1343625A2 (de)
DE (1) DE20021817U1 (de)
WO (1) WO2002051618A2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10354172A1 (de) * 2003-11-19 2005-06-23 Entex Rust & Mitschke Gmbh Extruder

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1294700A (fr) * 1961-07-12 1962-05-26 Roehm & Haas Gmbh Presse à vis sans fin à grande puissance
US4462692A (en) * 1982-11-27 1984-07-31 Frenkel C-D Aktiengesellschaft Screw extruders
US5127741A (en) * 1990-12-14 1992-07-07 Hermann Berstorff Maschinenbau Gmbh High-performance extruder
DE19938499A1 (de) * 1999-08-13 2001-02-15 Krauss Maffei Kunststofftech Plastifiziereinheit und Verfahren zum Plastifizieren von thermisch erweichbaren Materialien

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1294700A (fr) * 1961-07-12 1962-05-26 Roehm & Haas Gmbh Presse à vis sans fin à grande puissance
US4462692A (en) * 1982-11-27 1984-07-31 Frenkel C-D Aktiengesellschaft Screw extruders
US5127741A (en) * 1990-12-14 1992-07-07 Hermann Berstorff Maschinenbau Gmbh High-performance extruder
DE19938499A1 (de) * 1999-08-13 2001-02-15 Krauss Maffei Kunststofftech Plastifiziereinheit und Verfahren zum Plastifizieren von thermisch erweichbaren Materialien

Also Published As

Publication number Publication date
WO2002051618A2 (de) 2002-07-04
DE20021817U1 (de) 2002-05-02
EP1343625A2 (de) 2003-09-17

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