EP0925167A1 - Verfahren zum plastifizieren, filtrieren, dosieren und fördern von hochviskose-schmelzen und vorrichtung zur durchführung des verfahrens - Google Patents

Verfahren zum plastifizieren, filtrieren, dosieren und fördern von hochviskose-schmelzen und vorrichtung zur durchführung des verfahrens

Info

Publication number
EP0925167A1
EP0925167A1 EP97944813A EP97944813A EP0925167A1 EP 0925167 A1 EP0925167 A1 EP 0925167A1 EP 97944813 A EP97944813 A EP 97944813A EP 97944813 A EP97944813 A EP 97944813A EP 0925167 A1 EP0925167 A1 EP 0925167A1
Authority
EP
European Patent Office
Prior art keywords
gear pump
extruder
melt
vacuum lock
disposed
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Withdrawn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
EP97944813A
Other languages
English (en)
French (fr)
Inventor
Andreas Limper
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.)
Individual
Original Assignee
Individual
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
Priority claimed from DE19635706A external-priority patent/DE19635706C2/de
Application filed by Individual filed Critical Individual
Publication of EP0925167A1 publication Critical patent/EP0925167A1/de
Withdrawn legal-status Critical Current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
    • B29C48/76—Venting, drying means; Degassing means
    • B29C48/765—Venting, drying means; Degassing means in the extruder apparatus
    • B29C48/766—Venting, drying means; Degassing means in the extruder apparatus in screw extruders
    • B29C48/767—Venting, drying means; Degassing means in the extruder apparatus in screw extruders through a degassing opening of a barrel
    • 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
    • B29C48/285—Feeding the extrusion material to the extruder
    • B29C48/288—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules
    • B29C48/2888—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules in band or in strip form, e.g. rubber strips
    • 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
    • B29C48/365—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using pumps, e.g. piston pumps
    • B29C48/37—Gear pumps
    • 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
    • B29C48/375—Plasticisers, homogenisers or feeders comprising two or more stages
    • B29C48/387—Plasticisers, homogenisers or feeders comprising two or more stages using a screw extruder and a gear pump
    • 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
    • B29C48/03—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
EP97944813A 1996-09-03 1997-08-30 Verfahren zum plastifizieren, filtrieren, dosieren und fördern von hochviskose-schmelzen und vorrichtung zur durchführung des verfahrens Withdrawn EP0925167A1 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE19635706 1996-09-03
DE19635706A DE19635706C2 (de) 1996-09-03 1996-09-03 Verfahren zum Plastifizieren, Sieben, Dosieren und Fördern hochviskoser Kautschukmischungen und Einrichtung für die Durchführung des Verfahrens
US5609097P 1997-08-28 1997-08-28
US56090P 1997-08-28
PCT/EP1997/004727 WO1998009792A1 (en) 1996-09-03 1997-08-30 Process for plastification, straining, dosing and transporting high viscous melts and device for carrying out the process

Publications (1)

Publication Number Publication Date
EP0925167A1 true EP0925167A1 (de) 1999-06-30

Family

ID=26028988

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97944813A Withdrawn EP0925167A1 (de) 1996-09-03 1997-08-30 Verfahren zum plastifizieren, filtrieren, dosieren und fördern von hochviskose-schmelzen und vorrichtung zur durchführung des verfahrens

Country Status (2)

Country Link
EP (1) EP0925167A1 (de)
WO (1) WO1998009792A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1159120A1 (de) * 1999-03-11 2001-12-05 A-Z Formen- und Maschinenbau GmbH Einschneckenextruder
GB0009307D0 (en) * 2000-04-15 2000-05-31 Az Formen & Masch Gmbh Cold feed gear pump extruders
FR3067963A1 (fr) * 2017-06-22 2018-12-28 Compagnie Generale Des Etablissements Michelin Installation et procede de coextrusion
JP7338171B2 (ja) * 2019-03-01 2023-09-05 住友ゴム工業株式会社 ゴム押出機及びゴム押出方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1466689A (fr) * 1966-01-21 1967-01-20 Barmag Barmer Maschf Extrudeuse perfectionnée, alimentée en matière thermoplastique déjà plastifiée et son procédé d'utilisation
DE3233416C3 (de) * 1982-09-09 1996-08-29 Klaus Kalwar Schneckenpresse zur Verarbeitung von Kunststoffen
US4537568A (en) * 1982-09-15 1985-08-27 Jochnick & Norrman Press Ab Force pump
DE4024994C2 (de) * 1990-08-07 1995-08-24 Krauss Maffei Ag Vorrichtung zum Beschicken von Spritzgieß- und Extrudereinheiten

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9809792A1 *

Also Published As

Publication number Publication date
WO1998009792A1 (en) 1998-03-12

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