DE69717417D1 - Extrusionsvorrichtung - Google Patents

Extrusionsvorrichtung

Info

Publication number
DE69717417D1
DE69717417D1 DE69717417T DE69717417T DE69717417D1 DE 69717417 D1 DE69717417 D1 DE 69717417D1 DE 69717417 T DE69717417 T DE 69717417T DE 69717417 T DE69717417 T DE 69717417T DE 69717417 D1 DE69717417 D1 DE 69717417D1
Authority
DE
Germany
Prior art keywords
extrusion device
shapings
twin
shafts
held
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.)
Expired - Lifetime
Application number
DE69717417T
Other languages
English (en)
Other versions
DE69717417T2 (de
Inventor
Giorgio Maccagnan
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.)
GIMAC DI MACCAGNAN GIORGIO CAS
Original Assignee
GIMAC DI MACCAGNAN GIORGIO CAS
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 GIMAC DI MACCAGNAN GIORGIO CAS filed Critical GIMAC DI MACCAGNAN GIORGIO CAS
Publication of DE69717417D1 publication Critical patent/DE69717417D1/de
Application granted granted Critical
Publication of DE69717417T2 publication Critical patent/DE69717417T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/252—Drive or actuation means; Transmission means; Screw supporting means
    • 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
    • B29C48/465—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using rollers
    • B29C48/467—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using rollers using single rollers, e.g. provided with protrusions, closely surrounded by a housing with movement of the material in the axial direction
    • 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)
  • Formation And Processing Of Food Products (AREA)
  • Seal Device For Vehicle (AREA)
DE69717417T 1997-03-12 1997-03-12 Extrusionsvorrichtung Expired - Lifetime DE69717417T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP97830113A EP0865896B1 (de) 1997-03-12 1997-03-12 Extrusionsvorrichtung

Publications (2)

Publication Number Publication Date
DE69717417D1 true DE69717417D1 (de) 2003-01-09
DE69717417T2 DE69717417T2 (de) 2003-10-02

Family

ID=8230596

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69717417T Expired - Lifetime DE69717417T2 (de) 1997-03-12 1997-03-12 Extrusionsvorrichtung

Country Status (4)

Country Link
EP (1) EP0865896B1 (de)
AT (1) ATE228426T1 (de)
DE (1) DE69717417T2 (de)
ES (1) ES2187745T3 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19856534A1 (de) * 1998-12-08 2000-06-15 Flender A F & Co Getriebe für einen Doppelschneckenextruder
SE0104210D0 (sv) * 2001-12-14 2001-12-14 Mydata Automation Ab Viscous medium feeder
DE10354172A1 (de) * 2003-11-19 2005-06-23 Entex Rust & Mitschke Gmbh Extruder
DE10359774A1 (de) * 2003-12-19 2005-07-14 Thyssenkrupp Elastomertechnik Gmbh Vorrichtung
DE102005061936A1 (de) * 2005-12-23 2007-06-28 Cincinnati Extrusion Gmbh Getriebe für Mehrschneckenextruder

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE523318A (de) * 1953-07-30 1900-01-01
DE1778369A1 (de) * 1968-04-24 1971-07-29 Franco Prandi Antriebsvorrichtung fuer Strangpressen mit einer Mehrzahl von Schnecken zur Verarbeitung von plastischen Massen
DE2214715C3 (de) * 1972-03-25 1983-03-17 Gerhard 7166 Sulzbach-Laufen Hansen Schneckenstrangpresse für Kunststoffe
DE2649045A1 (de) * 1976-10-28 1978-05-03 Gerhard Prof Dr Ing Schenkel Einwellen-mehrstoff-extruder mit schneckengaengen
US4491417A (en) * 1983-04-29 1985-01-01 Usm Corporation Devolatilizing mixing extruder
US5483852A (en) * 1993-12-17 1996-01-16 The Gates Rubber Company Twin screw extruder and torque splitting transmission

Also Published As

Publication number Publication date
ES2187745T3 (es) 2003-06-16
EP0865896A1 (de) 1998-09-23
EP0865896B1 (de) 2002-11-27
DE69717417T2 (de) 2003-10-02
ATE228426T1 (de) 2002-12-15

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