DE1502335B2 - Schneckenstrangprese fuer die verarbeitung von kunststoff - Google Patents

Schneckenstrangprese fuer die verarbeitung von kunststoff

Info

Publication number
DE1502335B2
DE1502335B2 DE19651502335 DE1502335A DE1502335B2 DE 1502335 B2 DE1502335 B2 DE 1502335B2 DE 19651502335 DE19651502335 DE 19651502335 DE 1502335 A DE1502335 A DE 1502335A DE 1502335 B2 DE1502335 B2 DE 1502335B2
Authority
DE
Germany
Prior art keywords
screw
screw extruder
sections
annular groove
housing
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.)
Pending
Application number
DE19651502335
Other languages
German (de)
English (en)
Other versions
DE1502335A1 (de
Inventor
Rudolf Paul 7000 Stuttgart-Weilimdorf; Bauer Erwin 7051 Großheppach; May Gerhard H. M. 4330 Mülheim. B29f3-02 Fritsch
Original Assignee
Werner & Pfleiderer, 7000 Stuttgart
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 Werner & Pfleiderer, 7000 Stuttgart filed Critical Werner & Pfleiderer, 7000 Stuttgart
Publication of DE1502335A1 publication Critical patent/DE1502335A1/de
Publication of DE1502335B2 publication Critical patent/DE1502335B2/de
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00Mixing; Kneading
    • B29B7/30Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/40Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
    • B29B7/42Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix
    • B29B7/421Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix with screw and additionally other mixing elements on the same shaft, e.g. paddles, discs, bearings, rotor blades of the Banbury type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00Mixing; Kneading
    • B29B7/30Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/40Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
    • B29B7/42Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix
    • B29B7/428Parts or accessories, e.g. casings, feeding or discharging means
    • B29B7/429Screws
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00Mixing; Kneading
    • B29B7/30Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/46Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • B29B7/48Mixing; 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
    • B29B7/482Mixing; 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00Mixing; Kneading
    • B29B7/30Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/46Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • B29B7/48Mixing; 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
    • B29B7/482Mixing; 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
    • B29B7/483Mixing; 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 the other mixing parts being discs perpendicular to the screw axis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00Mixing; Kneading
    • B29B7/30Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/46Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • B29B7/48Mixing; 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
    • B29B7/488Parts, e.g. casings, sealings; Accessories, e.g. flow controlling or throttling devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00Mixing; Kneading
    • B29B7/30Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/46Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • B29B7/48Mixing; 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
    • B29B7/488Parts, e.g. casings, sealings; Accessories, e.g. flow controlling or throttling devices
    • B29B7/489Screws
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/268Throttling of the flow, e.g. for cooperating with plasticising elements or for degassing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395Means 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395Means 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
    • B29C48/40Means 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
    • B29C48/402Means 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395Means 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
    • B29C48/45Axially movable screws
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50Details of extruders
    • B29C48/68Barrels or cylinders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50Details of extruders
    • B29C48/76Venting, drying means; Degassing means
    • B29C48/765Venting, drying means; Degassing means in the extruder apparatus
    • B29C48/766Venting, drying means; Degassing means in the extruder apparatus in screw extruders
    • B29C48/767Venting, drying means; Degassing means in the extruder apparatus in screw extruders through a degassing opening of a barrel
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/92Measuring, controlling or regulating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92504Controlled parameter
    • B29C2948/92571Position, e.g. linear or angular
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92819Location or phase of control
    • B29C2948/92857Extrusion unit
    • B29C2948/92876Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92885Screw or gear
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion 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)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
DE19651502335 1965-02-13 1965-02-13 Schneckenstrangprese fuer die verarbeitung von kunststoff Pending DE1502335B2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEW0038545 1965-02-13

Publications (2)

Publication Number Publication Date
DE1502335A1 DE1502335A1 (de) 1969-02-20
DE1502335B2 true DE1502335B2 (de) 1971-10-21

Family

ID=7601829

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19651502335 Pending DE1502335B2 (de) 1965-02-13 1965-02-13 Schneckenstrangprese fuer die verarbeitung von kunststoff

Country Status (5)

Country Link
US (1) US3382536A (US07642317-20100105-C00010.png)
DE (1) DE1502335B2 (US07642317-20100105-C00010.png)
FR (1) FR1485549A (US07642317-20100105-C00010.png)
GB (1) GB1081029A (US07642317-20100105-C00010.png)
NL (1) NL138868B (US07642317-20100105-C00010.png)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2650742A1 (de) * 1975-11-28 1977-06-08 Baker Perkins Inc Mischer
DE3728442A1 (de) * 1987-08-26 1989-03-09 Werner & Pfleiderer Drosselvorrichtung fuer eine zweiwellige schneckenmaschine

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3475787A (en) * 1968-03-06 1969-11-04 Nrm Corp Extruder
US3475788A (en) * 1968-03-28 1969-11-04 Nrm Corp Extruder
FR2288475A1 (fr) * 1973-12-28 1976-05-21 Creusot Loire Procede de decristallisation de matieres sucrees
DE2721848C2 (de) * 1977-05-14 1982-12-02 Bayer Ag, 5090 Leverkusen Verfahren zum Konzentrieren von Lösungen mit gleichzeitiger Erstarrung
US4316748A (en) * 1980-03-18 1982-02-23 New York University Process for the acid hydrolysis of waste cellulose to glucose
US4316747A (en) * 1980-03-18 1982-02-23 New York University Process for the chemical conversion of cellulose waste to glucose
USRE32217E (en) * 1982-11-12 1986-07-29 The Dow Chemical Company Graft copolymerization process
DE3332629A1 (de) * 1983-09-09 1985-03-28 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover Verfahren und vorrichtung zum pulverisieren von polymeren
FR2560817B1 (fr) * 1984-03-08 1988-06-24 Creusot Loire Machine a vis de traitement de matiere
FR2601380B1 (fr) * 1986-07-08 1989-08-18 Clextral Procede et dispositif pour la fabrication en continu de combustibles mixtes a base de matieres organiques et de matieres hydrocarbonees
US4895688A (en) * 1988-10-24 1990-01-23 Oji Paper Co., Ltd. Method of producing a support for photographic paper
FR2664197B1 (fr) * 1990-07-06 1994-05-06 Clextral Fourreau pour machine d'extrusion de matieres.
DE4122912A1 (de) * 1991-07-11 1993-01-14 Theysohn Friedrich Fa Doppelschneckenextruder
DE4134026C2 (de) * 1991-10-15 1994-04-21 Werner & Pfleiderer Gleichdrallschneckenkneter
ATE251021T1 (de) * 1998-05-07 2003-10-15 Ato Bv Verfahren und vorrichtung zur kontinuierlichen herstellung von verbundwerkstoffen aus kunststoff und cellulose fasern
US6183560B1 (en) * 1998-08-05 2001-02-06 Jean-Marie Joseph Sarrasin Particulate material blender and polisher
US7049361B2 (en) * 2001-03-14 2006-05-23 Sumitomo Chemical Company, Limited Polyolefin series resinfilm, composition for preparing the same, process for preparing the composition for preparing the same, and apparatus for preparing the same
DE10233214B4 (de) * 2002-07-22 2005-01-27 3+Extruder Gmbh Extruder zum kontinuierlichen Bearbeiten und/oder Verarbeiten von fließfähigen Materialien
EP1767333A1 (de) * 2005-09-24 2007-03-28 Reifenhäuser GmbH & Co. Maschinenfabrik Extruder und Verfahren zum Betreiben desselben
US8123394B2 (en) * 2005-10-17 2012-02-28 Evonik Degussa Gmbh Mixer for liquid colorants and method for mixing liquid colorants
DE102006014692B3 (de) * 2006-03-28 2007-08-02 Berstorff Gmbh Schneckenelement
AT503014B1 (de) * 2006-04-27 2007-07-15 Schulz Helmuth Vorrichtung zum extrudieren von thermoplastischem kunststoffgut
US20100062093A1 (en) * 2008-09-11 2010-03-11 Wenger Manufacturing, Inc. Method and apparatus for producing fully cooked extrudates with significantly reduced specific mechanical energy inputs
CN105647979A (zh) * 2008-11-17 2016-06-08 希乐克公司 生物量加工
ES2432156T3 (es) * 2010-04-12 2013-12-02 Coperion Gmbh Máquina de tornillo sin fin de varios árboles con placa coladora integrada para la desgasificación de masas fundidas de polímero
JP5190500B2 (ja) * 2010-09-30 2013-04-24 株式会社日本製鋼所 プラスチックの押出方法及び装置
DE102021112579B4 (de) 2021-05-14 2024-01-18 Exipnos GmbH Anordnung und Verfahren zur Verarbeitung von extrudierbaren Massen sowie Verwendung der Anordnung

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2615199A (en) * 1945-05-15 1952-10-28 Welding Engineers Material treating apparatus
USRE23880E (en) * 1950-03-07 1954-09-28 Extruder
US2838794A (en) * 1957-04-08 1958-06-17 Du Pont Extrusion apparatus
US2970341A (en) * 1957-11-27 1961-02-07 Nat Rubber Machinery Co Extruder with adjustable choke
GB942260A (en) * 1960-04-22 1963-11-20 Kloeckner Humboldt Deutz Ag Extrusion press
US3078512A (en) * 1960-09-30 1963-02-26 Phillips Petroleum Co Extruder vent cleaner
US3192564A (en) * 1962-06-20 1965-07-06 Lilon Establishment Worm press for kneading and displacing plastic masses
GB1012766A (en) * 1962-08-09 1965-12-08 Shell Int Research Screw extruder for extruding plastic materials
US3252182A (en) * 1963-01-22 1966-05-24 Lavorazione Mat Plast Screw press for extrusion of plastics
US3287477A (en) * 1964-11-12 1966-11-22 Koppers Co Inc Process and apparatus for extruding a foamed plastic

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2650742A1 (de) * 1975-11-28 1977-06-08 Baker Perkins Inc Mischer
DE3728442A1 (de) * 1987-08-26 1989-03-09 Werner & Pfleiderer Drosselvorrichtung fuer eine zweiwellige schneckenmaschine

Also Published As

Publication number Publication date
FR1485549A (fr) 1967-06-23
NL138868B (nl) 1973-05-15
NL6601384A (US07642317-20100105-C00010.png) 1966-08-15
US3382536A (en) 1968-05-14
DE1502335A1 (de) 1969-02-20
GB1081029A (en) 1967-08-31

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