BE884639A - Dispositif de melange et de refroidissement pour l'extrusion de mousses thermoplastiques - Google Patents

Dispositif de melange et de refroidissement pour l'extrusion de mousses thermoplastiques

Info

Publication number
BE884639A
BE884639A BE0/201654A BE201654A BE884639A BE 884639 A BE884639 A BE 884639A BE 0/201654 A BE0/201654 A BE 0/201654A BE 201654 A BE201654 A BE 201654A BE 884639 A BE884639 A BE 884639A
Authority
BE
Belgium
Prior art keywords
extrusion
mixing
cooling device
thermoplastic foams
foams
Prior art date
Application number
BE0/201654A
Other languages
English (en)
Original Assignee
Lavorazione Mat Plast
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 Lavorazione Mat Plast filed Critical Lavorazione Mat Plast
Publication of BE884639A publication Critical patent/BE884639A/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
    • B29C48/78—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
    • B29C48/83—Heating or cooling the cylinders
    • B29C48/834—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
    • B29C48/267—Intermediate treatments, e.g. relaxation, annealing or decompression step for the melt
    • 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
    • B29C48/42—Non-identical or non-mirrored 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
    • B29C48/50—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
    • B29C48/74—Bypassing means, i.e. part of the molten material being diverted into downstream stages of the extruder
    • B29C48/745—Bypassing means, i.e. part of the molten material being diverted into downstream stages of the extruder for plasticising or homogenising devices
    • 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
    • B29C48/022—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
    • B29C48/03—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
    • B29C48/07—Flat, e.g. panels
    • 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
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • 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
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • 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
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • 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
    • B29C48/268—Throttling of the flow, e.g. for cooperating with plasticising elements or for degassing
    • 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
    • B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
BE0/201654A 1979-08-06 1980-08-05 Dispositif de melange et de refroidissement pour l'extrusion de mousses thermoplastiques BE884639A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT68617/79A IT1165226B (it) 1979-08-06 1979-08-06 Dispositivo raffreddatore miscelatore per l estrusione di schiume termoplastiche

Publications (1)

Publication Number Publication Date
BE884639A true BE884639A (fr) 1980-12-01

Family

ID=11310042

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/201654A BE884639A (fr) 1979-08-06 1980-08-05 Dispositif de melange et de refroidissement pour l'extrusion de mousses thermoplastiques

Country Status (16)

Country Link
US (1) US4324493A (fr)
JP (1) JPS6051417B2 (fr)
AU (1) AU531544B2 (fr)
BE (1) BE884639A (fr)
CA (1) CA1149117A (fr)
CH (1) CH642591A5 (fr)
DE (1) DE3029798A1 (fr)
ES (1) ES8106251A1 (fr)
FR (1) FR2462991A1 (fr)
GB (1) GB2056358B (fr)
IL (1) IL60559A (fr)
IT (1) IT1165226B (fr)
NL (1) NL189954C (fr)
NO (1) NO155091C (fr)
NZ (1) NZ194306A (fr)
SE (1) SE433190B (fr)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3038306C2 (de) * 1980-10-10 1984-03-22 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover Strangpreßvorrichtung zur Herstellung von geschäumtem, thermoplastischem Kunststoff
DE3301043C2 (de) * 1982-02-09 1986-10-23 Akzo Gmbh, 5600 Wuppertal Mischvorrichtung
EP0305692B1 (fr) * 1987-09-02 1992-05-06 HERMANN BERSTORFF Maschinenbau GmbH Procédé de fabrication en continu de mélanges du caoutchouc et de mélanges contenant des additifs à base des polymères
JPH01148813U (fr) * 1988-04-01 1989-10-16
US5089190A (en) * 1989-11-13 1992-02-18 Nordson Corporation Method and apparatus for hollow core extrusion of high viscosity materials
FR2664197B1 (fr) * 1990-07-06 1994-05-06 Clextral Fourreau pour machine d'extrusion de matieres.
DE4445149B4 (de) * 1994-12-17 2004-10-07 Rieter Automatik Gmbh Meßkopf für Extruder
US5607233A (en) * 1995-01-30 1997-03-04 Quantum Technologies, Inc. Continuous dynamic mixing system
US6113374A (en) * 1996-08-14 2000-09-05 Owens Corning Fiberglass Technology, Inc. Foam extrusion apparatus
DE19946523C2 (de) * 1999-09-28 2002-10-24 Gefinex Jackon Gmbh Verfahren und Vorichtung zur Herstellung von Kunststoffschaumsträngen großer Dicke
IT1308870B1 (it) * 1999-11-09 2002-01-11 L M P Impianti S R L Procedimento per la produzione di materiali polimerici espansi eestrusore per la sua attuazione.
US8557884B2 (en) * 2002-05-31 2013-10-15 Owens Corning Intellectual Capital, Llc To enhance the thermal insulation of polymeric foam by reducing cell anisotropic ratio and the method for production thereof
JP2006160863A (ja) * 2004-12-07 2006-06-22 Fuji Photo Film Co Ltd ドープ製造装置及び製造方法
TW200643074A (en) * 2005-03-28 2006-12-16 Kaneka Corp Method for producing extruded foam of polyhydroxyalkanoate resin and extruded foam produced by the production method
TW200635991A (en) * 2005-03-28 2006-10-16 Kaneka Corp Method for producing extruded P3HA resin foam
ITMI20112128A1 (it) * 2011-11-23 2013-05-24 Semplice Spa Macchina per estrusione a struttura perfezionata, particolarmente per mescole termoplastiche.
EP2629039A1 (fr) 2012-02-17 2013-08-21 Armacell Enterprise GmbH Échangeur de chaleur à flux expansible pour fontes de polymères
CA2928728C (fr) 2013-10-30 2021-02-09 Dow Global Technologies Llc Polymeres styreniques expanses contenant un copolymere styrene-butadiene brome et presentant une homogeneite de taille de cellule amelioree
US10698344B2 (en) * 2015-01-28 2020-06-30 Hitachi Metals, Ltd. Molding device, metal mold, method of manufacturing magnet roll and method of magnetizing magnet roll
JP2023117582A (ja) * 2022-02-14 2023-08-24 株式会社日本製鋼所 押出装置及び樹脂組成物の製造方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL279459A (fr) * 1961-06-12 1900-01-01
GB1126144A (en) * 1966-02-11 1968-09-05 Werner & Pfleiderer Improvements relating to worm mixing and kneading machines
GB1231535A (fr) * 1968-03-23 1971-05-12
FR1600010A (fr) * 1968-03-23 1970-07-20
US3588955A (en) * 1968-08-21 1971-06-29 Kimikazu Azuma Extruding apparatus
FR2082464A5 (en) * 1970-03-17 1971-12-10 Schlumberger Cie N Injection unit - with separately regulated fluid heating circuits in the nose and cylinder
DE2257593C2 (de) * 1972-11-24 1982-02-18 Bernd Dipl.-Ing. 5376 Nettersheim Zingsheim Vorrichtung zum Ausgleichen von Temperaturunterschieden innerhalb des Massestranges von thermoplastischen und elastomeren Massen
DE2654774C3 (de) * 1976-12-03 1981-10-15 Werner & Pfleiderer, 7000 Stuttgart Schneckenmaschine zur Homogenisierung von aufgeschmolzenen Polymeren
DE2739998C3 (de) * 1977-09-06 1980-04-10 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover Strangpreßvorrichtung zur Herstellung von geschäumtem Kunststoff
IT1109660B (it) * 1978-02-23 1985-12-23 Lavorazione Mat Plast Perfezionamento all estrusione di schiume sintetiche
DE2812065C2 (de) * 1978-03-20 1980-05-08 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover Schneckenstrangpresse mit einer Zylindertemperiereinrichtung zur Verarbeitung von thermoplastischen Kunststoffen und Kautschuk

Also Published As

Publication number Publication date
IT7968617A0 (it) 1979-08-06
SE433190B (sv) 1984-05-14
IT1165226B (it) 1987-04-22
DE3029798A1 (de) 1981-03-19
NO155091C (no) 1987-02-11
NL189954C (nl) 1993-09-16
AU6030780A (en) 1981-02-12
NZ194306A (en) 1983-11-18
NL189954B (nl) 1993-04-16
AU531544B2 (en) 1983-08-25
CA1149117A (fr) 1983-07-05
FR2462991B1 (fr) 1983-01-07
NO802329L (no) 1981-02-09
NL8004316A (nl) 1981-02-10
GB2056358A (en) 1981-03-18
SE8005538L (sv) 1981-02-07
US4324493A (en) 1982-04-13
IL60559A (en) 1984-02-29
DE3029798C2 (fr) 1988-07-07
FR2462991A1 (fr) 1981-02-20
CH642591A5 (it) 1984-04-30
NO155091B (no) 1986-11-03
JPS5627334A (en) 1981-03-17
ES493946A0 (es) 1981-08-01
ES8106251A1 (es) 1981-08-01
JPS6051417B2 (ja) 1985-11-13
IL60559A0 (en) 1980-09-16
GB2056358B (en) 1983-03-16

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: LAVORAZIONE MATERIE PLASTICHE LMP S.P.A.

Effective date: 20000805