CH618916A5 - - Google Patents

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Publication number
CH618916A5
CH618916A5 CH1297577A CH1297577A CH618916A5 CH 618916 A5 CH618916 A5 CH 618916A5 CH 1297577 A CH1297577 A CH 1297577A CH 1297577 A CH1297577 A CH 1297577A CH 618916 A5 CH618916 A5 CH 618916A5
Authority
CH
Switzerland
Prior art keywords
screw
zone
cylinder
thread
extruder
Prior art date
Application number
CH1297577A
Other languages
English (en)
French (fr)
Inventor
Charles Maillefer
Original Assignee
Maillefer Sa
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 Maillefer Sa filed Critical Maillefer Sa
Priority to CH1297577A priority Critical patent/CH618916A5/fr
Priority to EP78200239A priority patent/EP0001661A1/fr
Priority to FI783119A priority patent/FI67508C/fi
Priority to US05/951,787 priority patent/US4171196A/en
Priority to IT28898/78A priority patent/IT1099990B/it
Publication of CH618916A5 publication Critical patent/CH618916A5/fr

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
    • B29C48/688—Barrels or cylinders characterised by their inner surfaces, e.g. having grooves, projections or threads having threads
    • 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
    • B29C48/501—Extruder feed section
    • 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)
CH1297577A 1977-10-25 1977-10-25 CH618916A5 (fi)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CH1297577A CH618916A5 (fi) 1977-10-25 1977-10-25
EP78200239A EP0001661A1 (fr) 1977-10-25 1978-10-12 Extrudeuse à vis de grand débit pour matières plastiques
FI783119A FI67508C (fi) 1977-10-25 1978-10-13 Hoegeffektiv skruvextruder foer plastmaterial
US05/951,787 US4171196A (en) 1977-10-25 1978-10-16 Screw-type plastics extruder
IT28898/78A IT1099990B (it) 1977-10-25 1978-10-19 Estrusore a vite di grande portata per materie plastiche

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1297577A CH618916A5 (fi) 1977-10-25 1977-10-25

Publications (1)

Publication Number Publication Date
CH618916A5 true CH618916A5 (fi) 1980-08-29

Family

ID=4388153

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1297577A CH618916A5 (fi) 1977-10-25 1977-10-25

Country Status (5)

Country Link
US (1) US4171196A (fi)
EP (1) EP0001661A1 (fi)
CH (1) CH618916A5 (fi)
FI (1) FI67508C (fi)
IT (1) IT1099990B (fi)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3227443C1 (de) * 1982-07-22 1984-02-09 Windmöller & Hölscher, 4540 Lengerich Trichterstueck einer Einschneckenstrangpresse
US4462692A (en) * 1982-11-27 1984-07-31 Frenkel C-D Aktiengesellschaft Screw extruders
CH649738A5 (fr) * 1982-12-21 1985-06-14 Maillefer Sa Extrudeuse a vis pour matieres plastiques.
US4491417A (en) * 1983-04-29 1985-01-01 Usm Corporation Devolatilizing mixing extruder
US4896969A (en) * 1985-05-02 1990-01-30 Dray Robert F Method and apparatus for melting and conveying plasticated material
US4642041A (en) * 1986-01-31 1987-02-10 Murphy Richard W Extruder screw for minimizing the opposing pressure flow
JPS63291632A (ja) * 1987-05-25 1988-11-29 Mitsubishi Heavy Ind Ltd 可塑化スクリュ
JP3170757B2 (ja) * 1990-08-31 2001-05-28 東芝機械株式会社 バリヤスクリュ
US5178458A (en) * 1991-03-08 1993-01-12 Cincinnati Milacron Inc. Extruder screw mixing head
US5783225A (en) * 1993-12-21 1998-07-21 Bacher; Helmut Apparatus for processing thermoplastic synthetic plastics material
US5463852A (en) 1994-04-28 1995-11-07 Hay & Forage Industries Wide cut harvester having rotary cutter bed
US5961209A (en) * 1997-06-11 1999-10-05 Royal Feed Screws, Inc. Feed screw
US6158201A (en) 1998-09-15 2000-12-12 Hay & Forage Industries Rotary mower conditioner having improved cut crop flow
DE19928870C2 (de) * 1999-06-24 2003-10-02 Extrudex Kunststoffmaschinen G Einschnecken-Extruder
US6752528B1 (en) * 2002-02-06 2004-06-22 Michael F. Durina Plasticating screw for efficient melting and mixing of polymeric material
JP4254187B2 (ja) * 2002-09-27 2009-04-15 株式会社デンソー セラミック成形体の押出成形装置
JP4158472B2 (ja) * 2002-10-01 2008-10-01 株式会社デンソー セラミック成形体の押出成形装置
ATE278532T1 (de) * 2003-03-13 2004-10-15 M R S Italia S R L Eine mischvorrichtung für einen extruder
DE102005015537A1 (de) * 2005-04-04 2006-10-05 Harburg-Freudenberger Maschinenbau Gmbh Schnecken-Extruder zur Verarbeitung von Polymeren
DE102005015538A1 (de) * 2005-04-04 2006-10-05 Harburg-Freudenberger Maschinenbau Gmbh Schnecken-Extruder zur Verarbeitung von Kautschuk
US20090098234A1 (en) * 2007-10-11 2009-04-16 Husky Injection Molding Systems Ltd. Screw with Carbide Inserts
JP6798101B2 (ja) * 2015-10-19 2020-12-09 住友ゴム工業株式会社 押出機
IT201600129563A1 (it) * 2016-12-21 2018-06-21 M R S Italia S R L Dispositivo di miscelazione per viti di plastificazione
DE102020001456B4 (de) 2020-03-06 2022-07-14 Jochen Hennes Extruder mit Mischzone
WO2024036159A1 (en) * 2022-08-09 2024-02-15 Dow Global Technologies Llc Advanced visco-seals for single screw extruders

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3271819A (en) * 1962-02-26 1966-09-13 Nrm Corp Extruder
AT307009B (de) * 1968-03-22 1973-05-10 Uniroyal Ag Mischer zur Verarbeitung von hochviskosen Werkstoffen, insbesondere Kautschukmischungen
GB1370429A (en) * 1970-10-16 1974-10-16 Ici Ltd Mixing device suitable for incorporation in screw extruders
JPS4982754A (fi) * 1972-12-12 1974-08-09
CH603341A5 (fi) * 1975-06-30 1978-08-15 Maillefer Sa
DE2542515C3 (de) * 1975-09-24 1980-09-04 Paul Troester Maschinenfabrik, 3000 Hannover Extruderschnecke für die Verarbeitung von Kunststoffen und Kautschuk

Also Published As

Publication number Publication date
US4171196A (en) 1979-10-16
IT1099990B (it) 1985-09-28
FI67508B (fi) 1984-12-31
IT7828898A0 (it) 1978-10-19
EP0001661A1 (fr) 1979-05-02
FI67508C (fi) 1985-04-10
FI783119A (fi) 1979-04-26

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PL Patent ceased