NL189954C - Meng- en koelinrichting toe te passen bij een schroefextrusieinrichting voor thermoplastische schuimmaterialen. - Google Patents

Meng- en koelinrichting toe te passen bij een schroefextrusieinrichting voor thermoplastische schuimmaterialen.

Info

Publication number
NL189954C
NL189954C NLAANVRAGE8004316,A NL8004316A NL189954C NL 189954 C NL189954 C NL 189954C NL 8004316 A NL8004316 A NL 8004316A NL 189954 C NL189954 C NL 189954C
Authority
NL
Netherlands
Prior art keywords
mixing
cooling apparatus
screw extrusion
foam materials
thermoplastic foam
Prior art date
Application number
NLAANVRAGE8004316,A
Other languages
English (en)
Dutch (nl)
Other versions
NL8004316A (nl
NL189954B (nl
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 NL8004316A publication Critical patent/NL8004316A/nl
Publication of NL189954B publication Critical patent/NL189954B/xx
Application granted granted Critical
Publication of NL189954C publication Critical patent/NL189954C/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
    • B29C48/80—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
NLAANVRAGE8004316,A 1979-08-06 1980-07-28 Meng- en koelinrichting toe te passen bij een schroefextrusieinrichting voor thermoplastische schuimmaterialen. NL189954C (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT6861779 1979-08-06
IT68617/79A IT1165226B (it) 1979-08-06 1979-08-06 Dispositivo raffreddatore miscelatore per l estrusione di schiume termoplastiche

Publications (3)

Publication Number Publication Date
NL8004316A NL8004316A (nl) 1981-02-10
NL189954B NL189954B (nl) 1993-04-16
NL189954C true NL189954C (nl) 1993-09-16

Family

ID=11310042

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE8004316,A NL189954C (nl) 1979-08-06 1980-07-28 Meng- en koelinrichting toe te passen bij een schroefextrusieinrichting voor thermoplastische schuimmaterialen.

Country Status (16)

Country Link
US (1) US4324493A (xx)
JP (1) JPS6051417B2 (xx)
AU (1) AU531544B2 (xx)
BE (1) BE884639A (xx)
CA (1) CA1149117A (xx)
CH (1) CH642591A5 (xx)
DE (1) DE3029798A1 (xx)
ES (1) ES493946A0 (xx)
FR (1) FR2462991A1 (xx)
GB (1) GB2056358B (xx)
IL (1) IL60559A (xx)
IT (1) IT1165226B (xx)
NL (1) NL189954C (xx)
NO (1) NO155091C (xx)
NZ (1) NZ194306A (xx)
SE (1) SE433190B (xx)

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
DE3870769D1 (de) * 1987-09-02 1992-06-11 Berstorff Gmbh Masch Hermann Verfahren zur kontinuierlichen herstellung von kautschukmischungen und anderen fuellstoffhaltigen mischungen auf der basis von polymeren.
JPH01148813U (xx) * 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 (en) 2012-02-17 2013-08-21 Armacell Enterprise GmbH Extensional flow heat exchanger for polymer melts
CN105658711B (zh) 2013-10-30 2019-03-08 陶氏环球技术有限责任公司 含有溴化的苯乙烯-丁二烯共聚物并具有提高的泡孔尺寸均匀性的发泡苯乙烯聚合物
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 (xx) * 1961-06-12 1900-01-01
CH445457A (de) * 1966-02-11 1967-10-31 Werner & Pfleiderer Misch- oder Knetmaschine
FR1600010A (xx) * 1968-03-23 1970-07-20
GB1231535A (xx) * 1968-03-23 1971-05-12
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
IL60559A (en) 1984-02-29
BE884639A (fr) 1980-12-01
IT1165226B (it) 1987-04-22
JPS6051417B2 (ja) 1985-11-13
IL60559A0 (en) 1980-09-16
ES8106251A1 (es) 1981-08-01
CH642591A5 (it) 1984-04-30
NO155091B (no) 1986-11-03
GB2056358A (en) 1981-03-18
NO155091C (no) 1987-02-11
DE3029798C2 (xx) 1988-07-07
FR2462991B1 (xx) 1983-01-07
ES493946A0 (es) 1981-08-01
NL8004316A (nl) 1981-02-10
AU531544B2 (en) 1983-08-25
NZ194306A (en) 1983-11-18
DE3029798A1 (de) 1981-03-19
IT7968617A0 (it) 1979-08-06
SE8005538L (sv) 1981-02-07
NO802329L (no) 1981-02-09
US4324493A (en) 1982-04-13
CA1149117A (en) 1983-07-05
GB2056358B (en) 1983-03-16
JPS5627334A (en) 1981-03-17
SE433190B (sv) 1984-05-14
NL189954B (nl) 1993-04-16
AU6030780A (en) 1981-02-12
FR2462991A1 (fr) 1981-02-20

Similar Documents

Publication Publication Date Title
NL189954C (nl) Meng- en koelinrichting toe te passen bij een schroefextrusieinrichting voor thermoplastische schuimmaterialen.
GB2017571B (en) Plastics extrusion granulating apparatus
NL191558C (nl) Schroefextrusie-inrichting voor synthetisch thermoplastisch schuim.
NL187000C (nl) Inrichting voor het verwerken van thermoplastisch kunststofmateriaal.
NL7802608A (nl) Werkwijze voor de gelijkmatige vermenging van toevoegsels en thermoplastische kunststoffen.
IT8422972A0 (it) Dispositivo per produrre materiali sintetici termoplastici schiumati, come polistirolo, polietilene osimilari.
NL189283C (nl) Doorloopextrusiesamenstel voor thermoplastische kunststoffen.
NL7811275A (nl) Polyesterharsvormmengsel met lage krimp en werkwijze voor de bereiding van een dergelijk polyestervorm- mengsel.
GB2003080B (en) Screw extruder for the continuous extrusion of thermoplastic materials
DE2960444D1 (en) Extruder for plasticizing plastics
JPS538668A (en) Extruder for thermoplastic resin foam
GB2012203A (en) Screw extruder for processing thermoplastic materials
IT7831054A0 (it) Metodo ed apparato per unire materiali termoplastici.
ES508580A0 (es) Dispositivo mezclador homogeneizador para prensas de inyeccion y extrusoras para termoplasticos.
NL7707290A (nl) Extrudeerbare thermoplastische foeliesamenstel- ling en werkwijze voor het extruderen van etheen- -polymeerfoelies.
NL174560C (nl) Werkwijze voor het bereiden van een versnellermengsel voor onverzadigde polyesterharsmassa's en voor het bereiden van plamuurmassa's die deze versnellermengsels bevatten.
GB2023485B (en) Extrusion granulating apparatus for plastics melt and other materials
JPS5327658A (en) Extruder for thermoplastic resin foam
NL7804955A (nl) Werkwijze en inrichting voor het ononderbroken vervaar- digen van een cilindrisch blok van polymeerschuim.
NL7703520A (nl) Werkwijze voor het bereiden van opgeschuimde plastische en plastisch-elastische polyalkeen- massa's.
AU2424777A (en) Foamable thermoplastic resin composition
SU648254A1 (ru) Устройство дл смешивани и гранулировани пластичных материалов
NL185615C (nl) Werkwijze en inrichting voor het extruderen van een materiaal.
JPS52133368A (en) Device for cutting ropeelike plastic material extruded from extruder
NL7710467A (nl) Werkwijze en inrichting voor het extruderen van thermoplastisch materiaal.

Legal Events

Date Code Title Description
A1A A request for search or an international-type search has been filed
BB A search report has been drawn up
A85 Still pending on 85-01-01
BC A request for examination has been filed
V4 Discontinued because of reaching the maximum lifetime of a patent

Free format text: 20000728