IT7826258A0 - Estrusore a coclea per l'estrusione continua di materie termoplastiche. - Google Patents

Estrusore a coclea per l'estrusione continua di materie termoplastiche.

Info

Publication number
IT7826258A0
IT7826258A0 IT7826258A IT2625878A IT7826258A0 IT 7826258 A0 IT7826258 A0 IT 7826258A0 IT 7826258 A IT7826258 A IT 7826258A IT 2625878 A IT2625878 A IT 2625878A IT 7826258 A0 IT7826258 A0 IT 7826258A0
Authority
IT
Italy
Prior art keywords
screw extruder
thermoplastic materials
continuous extrusion
extrusion
continuous
Prior art date
Application number
IT7826258A
Other languages
English (en)
Other versions
IT1097898B (it
Inventor
Klaus Dieter Kolossow
Original Assignee
Berstorff Gmbh Masch Hermann
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 Berstorff Gmbh Masch Hermann filed Critical Berstorff Gmbh Masch Hermann
Publication of IT7826258A0 publication Critical patent/IT7826258A0/it
Application granted granted Critical
Publication of IT1097898B publication Critical patent/IT1097898B/it

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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
    • B29C44/50—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying
    • 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
    • B29C48/78—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
    • B29C48/82—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
    • B29C48/03—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
    • 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)
IT26258/78A 1977-08-27 1978-07-28 Estrusore a coclea per l'estrusione continua di materie termoplastiche IT1097898B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2738776A DE2738776C2 (de) 1977-08-27 1977-08-27 Temperierbare Schneckenpresse zum kontinuierlichen Extrudieren von thermoplastischem Schaumstoff

Publications (2)

Publication Number Publication Date
IT7826258A0 true IT7826258A0 (it) 1978-07-28
IT1097898B IT1097898B (it) 1985-08-31

Family

ID=6017514

Family Applications (1)

Application Number Title Priority Date Filing Date
IT26258/78A IT1097898B (it) 1977-08-27 1978-07-28 Estrusore a coclea per l'estrusione continua di materie termoplastiche

Country Status (6)

Country Link
US (1) US4214862A (it)
JP (1) JPS5446271A (it)
DE (1) DE2738776C2 (it)
FR (1) FR2401013A1 (it)
GB (1) GB2003080B (it)
IT (1) IT1097898B (it)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT373197B (de) * 1979-09-04 1983-12-27 Maplan Masch Tech Anlagen Extruder insbesondere fuer kunststoffe und elastomere
US4362482A (en) 1980-01-09 1982-12-07 Cosden Technology, Inc. Apparatus for extruding thermoplastic compositions
AT376171B (de) * 1983-02-18 1984-10-25 Maplan Masch Tech Anlagen Extruder, insbesondere fuer kunststoffe und elastomere
US4746478A (en) * 1985-07-24 1988-05-24 Sekisui Kaseihin Kogyo Kabushiki Kaisha Method and apparatus for production of foamed thermoplastic material
DE4028064A1 (de) * 1990-09-05 1992-03-12 Werner & Pfleiderer Verfahren und vorrichtung zum mischen von mischgut mit thermoplastischem kunststoff
GB9113789D0 (en) * 1991-06-26 1991-08-14 Stork Protecon Bv Controlled shear cell and method
US5244378A (en) * 1991-12-13 1993-09-14 International Business Machines Corporation Apparatus for dynamic gating of polymers for producing molded articles with isotropic properties
DE4237433C2 (de) * 1992-11-06 1994-05-11 Voith Gmbh J M Stoffknetmaschine
US5372418A (en) * 1992-11-19 1994-12-13 Polymer Processing Institute Back mix drag-flow apparatus
RU2159180C2 (ru) * 1999-02-02 2000-11-20 Открытое акционерное общество "Нижнекамскнефтехим" Способ получения деструктированного продукта и червячно-дисковый экструдер для получения продукта (варианты)
RU2159179C2 (ru) * 1999-02-02 2000-11-20 Открытое акционерное общество "Нижнекамскнефтехим" Способ получения деструктированного продукта и червячно-дисковый экструдер для получения продукта
KR20070083647A (ko) * 2004-10-11 2007-08-24 란세스 인크. 그라프트된 중합체의 제조를 위한 연속 압출 방법

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US660407A (en) * 1900-04-18 1900-10-23 George Werner Grain-drier.
BE429648A (it) * 1938-05-13 1900-01-01
GB559153A (en) * 1942-07-31 1944-02-07 Henleys Telegraph Works Co Ltd Improvements in or relating to extrusion machines
US2686335A (en) * 1951-03-20 1954-08-17 Frank R Gross Plastic extrusion
IT503875B (it) * 1953-08-06 1954-12-07 Pressa ad estrusione con viti a doppio supporto
US3054143A (en) * 1959-03-30 1962-09-18 Owens Illinois Glass Co Plastic forming machine orifice structure
DE1179702B (de) * 1960-03-10 1964-10-15 Hermann Berstorff Maschb Ansta Breitschlitzduese fuer thermoplastische Kunststoffe, insbesondere Polyvinylchlorid
US3151192A (en) * 1961-07-24 1964-09-29 Sun Chemical Corp Method of extruding a foamed thermoplastic product
NL283627A (it) * 1962-09-26 1900-01-01
US3374300A (en) * 1963-10-12 1968-03-19 Azuma Kimikazu Process and apparatus for the continuous production of polystyrenic foam materials
US3185449A (en) * 1963-10-25 1965-05-25 John E Kasten Screw conveyer for feed mixer
US3231243A (en) * 1964-05-11 1966-01-25 Plastic Molders Supply Co Apparatus for blending bulk raw materials with colorant
US3370796A (en) * 1965-03-12 1968-02-27 Herr Joseph Stanley Mixing apparatus
US3259944A (en) * 1965-07-27 1966-07-12 United Shoe Machinery Corp Mold charging means
GB1242733A (en) * 1967-10-24 1971-08-11 Rudolf Paul Fritsch A slit-shaped extrusion nozzle for extrusion of synthetic thermoplastics materials
GB1262285A (en) * 1968-03-28 1972-02-02 Ici Ltd Method and apparatus for flow rate control in continuous extrusion
US3632255A (en) * 1969-01-10 1972-01-04 Uniroyal Inc Extrusion apparatus
US3577588A (en) * 1969-05-05 1971-05-04 Dow Chemical Co Extrusion apparatus
US3827841A (en) * 1969-06-24 1974-08-06 Sekisui Chemical Co Ltd Extrusion apparatus for use in the production of thermoplastic resin foams
US3679341A (en) * 1970-09-25 1972-07-25 Owens Illinois Inc Apparatus for impact injection molding of plastic articles
DE2243944A1 (de) * 1972-09-07 1974-03-14 Bernd Dipl Ing Zingsheim Vorrichtung zum ausgleichen von temperaturunterschieden innerhalb des massestranges von thermoplastischen und elastomeren massen
US3884452A (en) * 1972-09-25 1975-05-20 Manbritt Ind Inc Blow-molding plasticizing manifold
JPS4985151A (it) * 1972-12-07 1974-08-15
DE2450030C3 (de) * 1974-10-22 1978-05-18 Erich 6520 Worms Beck Einschnecken-Strangpresse für thermoplastische Kunststoffe
CA1073170A (en) * 1975-11-28 1980-03-11 David B. Todd Multi-barrel continuous material processing machine with a multi-positionable flow controlling saddle part

Also Published As

Publication number Publication date
DE2738776C2 (de) 1983-05-19
JPS5446271A (en) 1979-04-12
FR2401013A1 (fr) 1979-03-23
GB2003080B (en) 1982-04-21
GB2003080A (en) 1979-03-07
DE2738776A1 (de) 1979-03-08
US4214862A (en) 1980-07-29
IT1097898B (it) 1985-08-31

Similar Documents

Publication Publication Date Title
AU510501B2 (en) Extruding plastic tube
JPS53143657A (en) Multiistage extruder for plastic
BR8100974A (pt) Parafuso extrusor de plastificacao
AU5675080A (en) Plastics extrusion
AU3143377A (en) Extrusion of thermoplastic materials
IL56579A0 (en) Screw extruder for thermoplastic synthetic
ZA76910B (en) Improvements relating to the continuous extrusion of thermoplastic materials
IT1124968B (it) Riduttore per estrusione a coclea doppia
IT7827153A0 (it) Dispositivo di estrusione continua per la preparazione di materie termoplastiche espanse.
IT7826258A0 (it) Estrusore a coclea per l'estrusione continua di materie termoplastiche.
JPS5385854A (en) Extrusion and extruder
IT1093604B (it) Estrusore a vite per materie plastiche
GB2003418B (en) Plastic extrusion
DE2960444D1 (en) Extruder for plasticizing plastics
IT7923361V0 (it) Estrusore a coclea per la preparazione continua di masse plastificabili.
FR2319478A1 (fr) Extrudeuse et procede d'extrusion de materiaux thermoplastiques
EP0265420A3 (en) Extrusion die for extruding plastics materials
IT7919052A0 (it) Estrusore continuo a coclea per la lavorazione di materie termoplastiche.
JPS53120773A (en) Plastic multiilayer extrusion
JPS5415963A (en) Extruder for plastics
LU80604A1 (fr) Machine d'extrusion de matieres thermoplastiques
FR2594067B1 (fr) Appareil d'extrusion a deux extrudeuses
IT1108683B (it) Utensile di estrusione particolarmente per materie plastiche
DE3472918D1 (de) Polymer extrusion die lips
SU674929A1 (ru) Черв чный экструдер дл переработки полимерного материала