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ATA234478A - DOUBLE SCREW EXTRUDER - Google Patents

DOUBLE SCREW EXTRUDER

Info

Publication number
ATA234478A
ATA234478A AT0234478A AT234478A ATA234478A AT A234478 A ATA234478 A AT A234478A AT 0234478 A AT0234478 A AT 0234478A AT 234478 A AT234478 A AT 234478A AT A234478 A ATA234478 A AT A234478A
Authority
AT
Austria
Prior art keywords
screw extruder
double screw
double
extruder
screw
Prior art date
Application number
AT0234478A
Other languages
German (de)
Other versions
AT384991B (en
Original Assignee
Cincinnati Milacron Austria
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 Cincinnati Milacron Austria filed Critical Cincinnati Milacron Austria
Priority to AT0234478A priority Critical patent/AT384991B/en
Priority to CH271979A priority patent/CH639596A5/en
Priority to DE19792911834 priority patent/DE2911834A1/en
Priority to FR7908194A priority patent/FR2421723A1/en
Priority to IT67682/79A priority patent/IT1118537B/en
Priority to AR276031A priority patent/AR216380A1/en
Priority to BR7902018A priority patent/BR7902018A/en
Priority to JP4023079A priority patent/JPS54135861A/en
Publication of ATA234478A publication Critical patent/ATA234478A/en
Application granted granted Critical
Publication of AT384991B publication Critical patent/AT384991B/en

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
    • B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
    • B29B7/482—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws provided with screw parts in addition to other mixing parts, e.g. paddles, gears, discs
    • 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
    • B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
    • B29B7/488—Parts, e.g. casings, sealings; Accessories, e.g. flow controlling or throttling devices
    • 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
    • B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
    • B29B7/488—Parts, e.g. casings, sealings; Accessories, e.g. flow controlling or throttling devices
    • B29B7/489—Screws
    • 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
    • B29C48/395—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
    • B29C48/40—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 using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • B29C48/402—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 using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders the screws having intermeshing parts
    • 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
    • B29C48/67—Screws having incorporated mixing devices not provided for in groups B29C48/52 - B29C48/66
    • 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)
AT0234478A 1978-04-03 1978-04-03 DOUBLE SCREW EXTRUDER AT384991B (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
AT0234478A AT384991B (en) 1978-04-03 1978-04-03 DOUBLE SCREW EXTRUDER
CH271979A CH639596A5 (en) 1978-04-03 1979-03-23 Twin-screw extruder
DE19792911834 DE2911834A1 (en) 1978-04-03 1979-03-26 DOUBLE SCREW EXTRUDER
FR7908194A FR2421723A1 (en) 1978-04-03 1979-04-02 TWO-SCREW EXTRUDER
IT67682/79A IT1118537B (en) 1978-04-03 1979-04-02 DOUBLE SCREW EXTRUDER
AR276031A AR216380A1 (en) 1978-04-03 1979-04-02 TWO HELIC EXTRUDER
BR7902018A BR7902018A (en) 1978-04-03 1979-04-03 ENDLESS DOUBLE THREAD EXTRUDER
JP4023079A JPS54135861A (en) 1978-04-03 1979-04-03 Two screw extruder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0234478A AT384991B (en) 1978-04-03 1978-04-03 DOUBLE SCREW EXTRUDER

Publications (2)

Publication Number Publication Date
ATA234478A true ATA234478A (en) 1987-07-15
AT384991B AT384991B (en) 1988-02-10

Family

ID=3532598

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0234478A AT384991B (en) 1978-04-03 1978-04-03 DOUBLE SCREW EXTRUDER

Country Status (8)

Country Link
JP (1) JPS54135861A (en)
AR (1) AR216380A1 (en)
AT (1) AT384991B (en)
BR (1) BR7902018A (en)
CH (1) CH639596A5 (en)
DE (1) DE2911834A1 (en)
FR (1) FR2421723A1 (en)
IT (1) IT1118537B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3820320A1 (en) * 1988-06-15 1989-12-21 Krauss Maffei Ag DOUBLE SCREW EXTRUDER
DE102014219706B3 (en) 2014-09-29 2016-03-31 Battenfeld-Cincinnati Austria Gmbh extruder screw

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1119651A (en) * 1949-07-15 1956-06-22 Homogenizer device for machine for extruding or injecting thermoplastic materials
LU31648A1 (en) * 1951-06-01 1900-01-01
FR1122654A (en) * 1955-02-28 1956-09-11 Machine for extruding thermoplastics under high pressure
US3486194A (en) * 1967-08-07 1969-12-30 Clarence E Parks Extruder
DE2235784C3 (en) * 1972-07-21 1986-01-09 Uniroyal Englebert Reifen GmbH, 5100 Aachen Single-screw extruder for mixing and homogenizing high-viscosity rubber compounds and high-viscosity thermoplastics
DE2340499C2 (en) * 1973-08-10 1980-02-14 Barmag Barmer Maschinenfabrik Ag, 5600 Wuppertal extrusion press
DE2554712A1 (en) * 1975-12-05 1977-06-08 Bayer Ag DEVICE FOR EXTRUDING TEMPERATURE-SENSITIVE, THERMOPLASTIC PLASTICS INTO SEMI-FINISHED PRODUCTS
DD124024A1 (en) * 1976-02-26 1977-02-02
DE2744583A1 (en) * 1977-10-04 1979-04-05 Heinz Dipl Ing Weber Twin-screw extruder with intermeshing mixing cams at metering section - to achieve complete compounding and avoid inhomogeneities of plastics melt

Also Published As

Publication number Publication date
DE2911834A1 (en) 1979-10-04
IT1118537B (en) 1986-03-03
FR2421723B1 (en) 1985-03-08
IT7967682A0 (en) 1979-04-02
FR2421723A1 (en) 1979-11-02
CH639596A5 (en) 1983-11-30
AR216380A1 (en) 1979-12-14
AT384991B (en) 1988-02-10
JPS54135861A (en) 1979-10-22
BR7902018A (en) 1979-11-27

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee