CH612375A5 - - Google Patents

Info

Publication number
CH612375A5
CH612375A5 CH394277A CH394277A CH612375A5 CH 612375 A5 CH612375 A5 CH 612375A5 CH 394277 A CH394277 A CH 394277A CH 394277 A CH394277 A CH 394277A CH 612375 A5 CH612375 A5 CH 612375A5
Authority
CH
Switzerland
Application number
CH394277A
Inventor
Charles Dr Ing 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 CH394277A priority Critical patent/CH612375A5/xx
Priority to US05/888,362 priority patent/US4154535A/en
Priority to FR7808182A priority patent/FR2385517A1/fr
Priority to IT21532/78A priority patent/IT1093604B/it
Priority to SE7803477A priority patent/SE7803477L/xx
Priority to DE2813585A priority patent/DE2813585C2/de
Publication of CH612375A5 publication Critical patent/CH612375A5/xx

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
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/875—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling for achieving a non-uniform temperature distribution, e.g. using barrels having both cooling and heating zones
    • 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
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
    • B29C48/84—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders by heating or cooling the feeding screws
    • B29C48/85—Cooling
    • 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
    • B29C48/505—Screws
    • B29C48/51—Screws with internal flow passages, e.g. for molten material
    • B29C48/515—Screws with internal flow passages, e.g. for molten material for auxiliary fluids, e.g. foaming agents
    • 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
    • B29C48/505—Screws
    • B29C48/64—Screws with two or more 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
    • B29C48/50—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
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
    • B29C48/84—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders by heating or cooling the feeding 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
    • B29C48/03—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)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
CH394277A 1977-03-29 1977-03-29 CH612375A5 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CH394277A CH612375A5 (fr) 1977-03-29 1977-03-29
US05/888,362 US4154535A (en) 1977-03-29 1978-03-20 Screw-type plastics extruder
FR7808182A FR2385517A1 (fr) 1977-03-29 1978-03-21 Extrudeuse a vis pour matiere plastique
IT21532/78A IT1093604B (it) 1977-03-29 1978-03-23 Estrusore a vite per materie plastiche
SE7803477A SE7803477L (sv) 1977-03-29 1978-03-28 Skruvstrengpress for plast
DE2813585A DE2813585C2 (de) 1977-03-29 1978-03-29 Schneckenextruder zum Verarbeiten von Kunststoff in Granulat- oder Pulverform

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH394277A CH612375A5 (fr) 1977-03-29 1977-03-29

Publications (1)

Publication Number Publication Date
CH612375A5 true CH612375A5 (fr) 1979-07-31

Family

ID=4266795

Family Applications (1)

Application Number Title Priority Date Filing Date
CH394277A CH612375A5 (fr) 1977-03-29 1977-03-29

Country Status (6)

Country Link
US (1) US4154535A (fr)
CH (1) CH612375A5 (fr)
DE (1) DE2813585C2 (fr)
FR (1) FR2385517A1 (fr)
IT (1) IT1093604B (fr)
SE (1) SE7803477L (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4491418A (en) * 1981-11-17 1985-01-01 Maillefer S.A. Plastics extruder

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0069271A3 (fr) * 1981-06-22 1985-11-27 Gloucester Engineering Co., Inc. Extrudeuse pour matière synthétique
CH649738A5 (fr) * 1982-12-21 1985-06-14 Maillefer Sa Extrudeuse a vis pour matieres plastiques.
DE3629995C1 (de) * 1986-09-03 1988-02-18 Reifenhaeuser Masch Anlage fuer das Strangpressen von thermoplastischem Kunststoff
DE4014408C1 (en) * 1990-05-04 1992-01-30 Buss Ag, Basel, Ch Heating materials during work process in closed work area - involves rotating work member, feeding gaseous heat carrier into handling zone and then removing gas
US5200205A (en) * 1991-04-24 1993-04-06 Cincinnati Milacron Inc. Extruder barrel temperature regulation apparatus
US5096302A (en) * 1991-04-24 1992-03-17 Spirex Corporation Plastic feeding device and method
US5259671A (en) * 1991-06-07 1993-11-09 Farrel Corporation Greased journal bearing assemblies with thermal isolation and cooling in continuous mixers of plastic materials
US5180225A (en) * 1991-06-07 1993-01-19 Farrel Corporation Rotor zone cooling apparatus for rotors in continuous mixers of plastic materials
US5273356A (en) * 1991-06-07 1993-12-28 Farrel Corporation Rotor zone cooling method and apparatus for rotors in continuous mixers of plastic materials
US6609819B2 (en) * 2001-07-24 2003-08-26 Wenger Mfg Twin screw extruder with conical non-parallel converging screws
DE10252976A1 (de) * 2002-11-14 2004-05-27 Nexans Verfahren zur Extrusion eines Gemisches
DE102004034039B4 (de) * 2004-07-13 2008-04-17 Technamation Technical Europe Gmbh Extrusionsverfahren und Extruder für zellulosehaltiges Material
US10684603B2 (en) * 2015-01-13 2020-06-16 Bucknell University Dynamically controlled screw-driven extrusion

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2449355A (en) * 1947-07-28 1948-09-14 Dow Chemical Co Internal two-zone heat control for plastics extruders
USRE23880E (en) * 1950-03-07 1954-09-28 Extruder
US2753595A (en) * 1953-07-24 1956-07-10 Dow Chemical Co Plastics mixing and extrusion machines
US2765491A (en) * 1953-05-04 1956-10-09 Nat Rubber Machinery Co Extrusion apparatus
US2829399A (en) * 1954-02-04 1958-04-08 Du Pont Extrusion apparatus
US3271819A (en) * 1962-02-26 1966-09-13 Nrm Corp Extruder
US3305893A (en) * 1964-07-09 1967-02-28 James F Machen Extruder
DE1454865B2 (de) * 1965-02-13 1972-11-02 Ruhrchemie Ag, 4200 Oberhausen-Holten Verfahren zum plastifizieren von hochmolekularem polyaethylen bzw. polypropylen in einer einwelligen schneckenpresse
US3331100A (en) * 1966-01-06 1967-07-18 Dow Chemical Co Extrusion apparatus
BE699563A (fr) * 1966-01-06 1967-12-06
US3645659A (en) * 1969-03-13 1972-02-29 Gloucester Eng Co Inc Extruding plastic
DE2311717C3 (de) * 1973-03-09 1979-10-04 Thyssen Plastik Anger Kg, 8000 Muenchen Vorrichtung zur Temperierung einer Extruderschnecke
JPS5072764U (fr) * 1973-11-13 1975-06-26
NL7400221A (nl) * 1974-01-08 1975-07-10 Trouw & Co Nv Werkwijze en inrichting voor de vervaardiging en geexpandeerd droogvoer of voedingsmiddel iwitrijke grondstoffen en eventueel zetmeel- grondstoffen.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4491418A (en) * 1981-11-17 1985-01-01 Maillefer S.A. Plastics extruder

Also Published As

Publication number Publication date
US4154535A (en) 1979-05-15
FR2385517A1 (fr) 1978-10-27
IT7821532A0 (it) 1978-03-23
DE2813585A1 (de) 1978-10-05
SE7803477L (sv) 1978-09-30
FR2385517B1 (fr) 1981-02-20
IT1093604B (it) 1985-07-19
DE2813585C2 (de) 1983-09-08

Similar Documents

Publication Publication Date Title
FR2378804B1 (fr)
FR2376753B1 (fr)
FR2379069B1 (fr)
FR2377439B1 (fr)
FR2377682B1 (fr)
FR2376690B3 (fr)
FR2385517B1 (fr)
FR2378916B1 (fr)
FR2377312B1 (fr)
CH633937GA3 (fr)
FR2379024B1 (fr)
DK525977A (fr)
BG25850A1 (fr)
BG25839A1 (fr)
DD131523A5 (fr)
BG26217A1 (fr)
BG25893A1 (fr)
BG25863A1 (fr)
BG25860A1 (fr)
BG25855A1 (fr)
BG25853A1 (fr)
BG25852A1 (fr)
BG25851A1 (fr)
CH613481A5 (fr)
BG25848A1 (fr)

Legal Events

Date Code Title Description
PL Patent ceased