AU4299497A - Screw-type extruder - Google Patents

Screw-type extruder

Info

Publication number
AU4299497A
AU4299497A AU42994/97A AU4299497A AU4299497A AU 4299497 A AU4299497 A AU 4299497A AU 42994/97 A AU42994/97 A AU 42994/97A AU 4299497 A AU4299497 A AU 4299497A AU 4299497 A AU4299497 A AU 4299497A
Authority
AU
Australia
Prior art keywords
screw
cylinder
homogenisation
thermoplasticised
mass
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.)
Abandoned
Application number
AU42994/97A
Inventor
Ernst-Josef Meeth
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 PCT/EP1996/003611 external-priority patent/WO1997006942A1/en
Application filed by Individual filed Critical Individual
Publication of AU4299497A publication Critical patent/AU4299497A/en
Abandoned 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
    • B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
    • 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
    • B29C48/47—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using discs, e.g. plasticising the moulding material by passing it between a fixed and a rotating disc that are coaxially arranged
    • 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
    • B29C48/535—Screws with thread pitch varying along the longitudinal axis
    • 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
    • B29C48/04—Particle-shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts

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)
  • Formation And Processing Of Food Products (AREA)
  • Inorganic Insulating Materials (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
  • Electron Beam Exposure (AREA)

Abstract

A single screw extruder for processing thermoplastic masses has a cylinder which receives a screw, a feed opening for the material to be processed at a first end of the cylinder, an ejection zone for thermoplasticised mass at a second end of the cylinder and accessories for treating the thermoplasticised mass. A homogenisation chamber (244) designed at or after the second end of the cylinder has an outlet (268) at its downstream end away from the screw. A homogenisation rotor (246) secured to the downstream end of the screw so as to rotate therewith is arranged in the homogenisation chamber (244).
AU42994/97A 1996-08-16 1997-08-14 Screw-type extruder Abandoned AU4299497A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
WOP9603611 1996-08-16
PCT/EP1996/003611 WO1997006942A1 (en) 1995-08-17 1996-08-16 Process for producing profiled materials, in particular for door and window production
PCT/EP1997/004448 WO1998007559A1 (en) 1996-08-16 1997-08-14 Screw-type extruder

Publications (1)

Publication Number Publication Date
AU4299497A true AU4299497A (en) 1998-03-06

Family

ID=8166288

Family Applications (1)

Application Number Title Priority Date Filing Date
AU42994/97A Abandoned AU4299497A (en) 1996-08-16 1997-08-14 Screw-type extruder

Country Status (7)

Country Link
EP (1) EP0921931B1 (en)
AT (1) ATE223799T1 (en)
AU (1) AU4299497A (en)
BA (1) BA96133A (en)
DE (1) DE59708207D1 (en)
PL (1) PL183807B1 (en)
WO (1) WO1998007559A1 (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE610557C (en) * 1932-07-29 1935-03-12 Oswald & Co O Screw extrusion press for synthetic casein horn masses
SU887213A1 (en) * 1980-02-29 1981-12-07 Всесоюзный Научно-Исследовательский Институт Машин Для Производства Синтетических Волокон Apparatus for mixing and homogenizing polymeric materials
JPS61272124A (en) * 1985-05-28 1986-12-02 Sekisui Plastics Co Ltd Extruder for molding foamed product
JPH0784028B2 (en) * 1987-04-07 1995-09-13 石川島播磨重工業株式会社 Plastic extruder screen head
DE4227018A1 (en) * 1991-09-11 1993-03-25 Barmag Barmer Maschf Efficiently mixing single-screw extruder - has length of screw with longitudinal pockets closed at alternate ends and sepd. by shear ridges with cut=outs forming mixing recesses
DE4232014A1 (en) * 1992-09-24 1994-03-31 Bayer Ag Process for crushing plastics

Also Published As

Publication number Publication date
EP0921931A1 (en) 1999-06-16
PL331614A1 (en) 1999-08-02
ATE223799T1 (en) 2002-09-15
WO1998007559A1 (en) 1998-02-26
EP0921931B1 (en) 2002-09-11
PL183807B1 (en) 2002-07-31
BA96133A (en) 1998-12-28
DE59708207D1 (en) 2002-10-17

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