IT1153186B - Procedimento ed apparecchio per estrudere composizioni termoplastiche - Google Patents

Procedimento ed apparecchio per estrudere composizioni termoplastiche

Info

Publication number
IT1153186B
IT1153186B IT23073/82A IT2307382A IT1153186B IT 1153186 B IT1153186 B IT 1153186B IT 23073/82 A IT23073/82 A IT 23073/82A IT 2307382 A IT2307382 A IT 2307382A IT 1153186 B IT1153186 B IT 1153186B
Authority
IT
Italy
Prior art keywords
procedure
thermoplastic compositions
extrude thermoplastic
extrude
compositions
Prior art date
Application number
IT23073/82A
Other languages
English (en)
Other versions
IT8223073A0 (it
Inventor
Raleigh N Rutledge
Original Assignee
Cosden Technology
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 Cosden Technology filed Critical Cosden Technology
Publication of IT8223073A0 publication Critical patent/IT8223073A0/it
Application granted granted Critical
Publication of IT1153186B publication Critical patent/IT1153186B/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
    • 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
    • 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
    • B29C44/3442—Mixing, kneading or conveying the foamable 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
    • B29C48/09—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
    • B29C48/25—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
    • B29C48/695—Flow dividers, e.g. breaker plates
    • B29C48/70—Flow dividers, e.g. breaker plates comprising means for dividing, distributing and recombining melt flows
    • 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
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
    • B29C48/87—Cooling
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/6416—With heating or cooling of the system
    • Y10T137/6579—Circulating fluid in heat exchange relationship
IT23073/82A 1981-09-01 1982-08-31 Procedimento ed apparecchio per estrudere composizioni termoplastiche IT1153186B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/298,361 US4362482A (en) 1980-01-09 1981-09-01 Apparatus for extruding thermoplastic compositions

Publications (2)

Publication Number Publication Date
IT8223073A0 IT8223073A0 (it) 1982-08-31
IT1153186B true IT1153186B (it) 1987-01-14

Family

ID=23150171

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23073/82A IT1153186B (it) 1981-09-01 1982-08-31 Procedimento ed apparecchio per estrudere composizioni termoplastiche

Country Status (8)

Country Link
US (1) US4362482A (it)
BE (1) BE894215A (it)
DE (1) DE3232379A1 (it)
FR (1) FR2511931B1 (it)
GB (1) GB2107844B (it)
IT (1) IT1153186B (it)
NL (1) NL8203386A (it)
SE (1) SE452433B (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6052926B2 (ja) * 1981-05-18 1985-11-22 積水化成品工業株式会社 熱可塑性樹脂発泡体の製造方法及び装置
US4469651A (en) * 1981-09-01 1984-09-04 Cosden Technology, Inc. Process for extruding thermoplastic compositions
US4560334A (en) * 1981-09-01 1985-12-24 Cosden Technology, Inc. Apparatus for extruding thermoplastic compositions
IT1197020B (it) * 1986-07-29 1988-11-25 Fare Spa Testa piana per l'estruzione di materiali termopolastici in lastra e foglia, provvista di due o piu' condotti, di alimentazione dei materiali stessi
DE3725447A1 (de) * 1987-03-05 1989-02-09 Siegle Karl Vorrichtung zum fuehren und dosieren von extrudierbarem material
FR2625941A1 (fr) * 1988-01-14 1989-07-21 Mcneil Akron Repiquet Sarl Tete d'extrusion ou de co-extrusion en continu a orifices annulaires multiples
GB0804880D0 (en) * 2008-03-15 2008-04-16 Univ Belfast Method and apparatus for processing a material
ATE470554T1 (de) * 2008-05-09 2010-06-15 Hegler Ralph Peter Dr Ing Extrusions-werkzeug für eine vorrichtung zur herstellung von kunststoff-verbundrohren mit querrillen
US9920648B2 (en) * 2011-09-07 2018-03-20 Eric William Newcomb Concentric three chamber heat exchanger
CN114953307A (zh) * 2022-05-25 2022-08-30 江苏科尔玛智能装备制造有限公司 一种pvc压延前段压出机

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3117620A (en) * 1960-01-04 1964-01-14 Jr Forney Fuller Temperature equalizing means for a plurality of conduits
US3151192A (en) * 1961-07-24 1964-09-29 Sun Chemical Corp Method of extruding a foamed thermoplastic product
US3213929A (en) * 1962-02-12 1965-10-26 Varian Associates Temperature control system
US3275731A (en) * 1963-01-25 1966-09-27 Phillips Petroleum Co Material blending
US3310617A (en) * 1963-06-19 1967-03-21 Shell Oil Co Process for preparing uniform melt dispersion of blowing agent and polymer and its use in making foamed products
NL146744B (nl) * 1964-05-12 1975-08-15 Shell Int Research Werkwijze voor het vervaardigen van schuimpolystyreen folies.
US3444283A (en) * 1965-11-08 1969-05-13 Mobil Oil Corp Method for direct injection extrusion of polystyrene foam
US3393427A (en) * 1965-12-27 1968-07-23 Phillips Petroleum Co Extrusion die
FR94389E (fr) * 1966-09-07 1969-08-08 Ugine Kuhlmann Procédé et dispositif pour l'extrusion des matieres plastiques expansibles.
FR1540311A (fr) * 1967-02-15 1968-09-27 Fives Penhoet Perfectionnements à des échangeurs de chaleur et installations en comportant application
US3588955A (en) * 1968-08-21 1971-06-29 Kimikazu Azuma Extruding apparatus
US3830901A (en) * 1968-09-09 1974-08-20 T Winstead Continuous process for extruding cellular thermoplastics
US3827841A (en) * 1969-06-24 1974-08-06 Sekisui Chemical Co Ltd Extrusion apparatus for use in the production of thermoplastic resin foams
US3827484A (en) * 1970-02-04 1974-08-06 W Wolowodiuk Liquid metal heat exchanger
US3658973A (en) * 1971-03-22 1972-04-25 Monsanto Co Method for extruding a foamed thermoplastic polymer
US3751377A (en) * 1971-08-19 1973-08-07 Dow Chemical Co Method for the preparation of plastic foam
BE791957A (fr) * 1971-11-29 1973-05-28 Rhone Progil Procede de preparation de profiles de structure cellulaire par extrusion de compositions polymeres thermoplastiques expansibles
US4088434A (en) * 1975-08-18 1978-05-09 The Japan Steel Works Ltd. Die for continuously extruding hollow articles from thermosetting resins

Also Published As

Publication number Publication date
SE8204934L (en) 1983-03-02
US4362482A (en) 1982-12-07
NL8203386A (nl) 1983-04-05
DE3232379A1 (de) 1983-03-10
FR2511931B1 (fr) 1987-06-19
GB2107844B (en) 1985-02-13
SE452433B (sv) 1987-11-30
GB2107844A (en) 1983-05-05
FR2511931A1 (fr) 1983-03-04
SE8204934D0 (it) 1982-08-30
BE894215A (fr) 1982-12-16
IT8223073A0 (it) 1982-08-31

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