FR2242225A1 - Extruder for thermoplastics - with reduced temp rise - Google Patents

Extruder for thermoplastics - with reduced temp rise

Info

Publication number
FR2242225A1
FR2242225A1 FR7237996A FR7237996A FR2242225A1 FR 2242225 A1 FR2242225 A1 FR 2242225A1 FR 7237996 A FR7237996 A FR 7237996A FR 7237996 A FR7237996 A FR 7237996A FR 2242225 A1 FR2242225 A1 FR 2242225A1
Authority
FR
France
Prior art keywords
extruder
zone
thermoplastics
rise
worm
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
FR7237996A
Other languages
English (en)
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hoechst AG
Original Assignee
Hoechst AG
Farbwerke Hoechst AG
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 Hoechst AG, Farbwerke Hoechst AG filed Critical Hoechst AG
Publication of FR2242225A1 publication Critical patent/FR2242225A1/fr
Withdrawn legal-status Critical Current

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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/625—Screws characterised by the ratio of the threaded length of the screw to its outside diameter [L/D ratio]
    • 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
    • B29C48/395—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
    • B29C48/397—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 a single screw
    • 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
    • B29C48/92—Measuring, controlling or regulating
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92009—Measured parameter
    • B29C2948/92209—Temperature
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92323—Location or phase of measurement
    • B29C2948/92361—Extrusion unit
    • B29C2948/92409—Die; Nozzle zone
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92323—Location or phase of measurement
    • B29C2948/92447—Moulded article
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92895—Barrel or housing
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92904—Die; Nozzle zone
    • 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)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
FR7237996A 1971-10-26 1972-10-26 Extruder for thermoplastics - with reduced temp rise Withdrawn FR2242225A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2153143A DE2153143A1 (de) 1971-10-26 1971-10-26 Verfahren zur extrusion hochviskoser thermoplaste mittels einschnecken-extruder

Publications (1)

Publication Number Publication Date
FR2242225A1 true FR2242225A1 (en) 1975-03-28

Family

ID=5823346

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7237996A Withdrawn FR2242225A1 (en) 1971-10-26 1972-10-26 Extruder for thermoplastics - with reduced temp rise

Country Status (9)

Country Link
JP (1) JPS4851058A (enExample)
AT (1) AT336873B (enExample)
BE (1) BE790582A (enExample)
CH (1) CH545183A (enExample)
DE (1) DE2153143A1 (enExample)
FR (1) FR2242225A1 (enExample)
IT (1) IT969855B (enExample)
NL (1) NL7214239A (enExample)
ZA (1) ZA727445B (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5034663A (enExample) * 1973-08-01 1975-04-03
JPS5325351B2 (enExample) * 1973-08-02 1978-07-26
JPS5835139B2 (ja) * 1975-02-07 1983-08-01 三井化学株式会社 スクリュ−押出機
US4350657A (en) * 1980-11-04 1982-09-21 Union Carbide Corporation Low-energy extruder-pump system
DE3668577D1 (de) * 1985-08-16 1990-03-08 Idemitsu Petrochemical Co Schnecke zum verarbeiten von thermoplastischem kunststoff.
US4867927A (en) * 1987-02-13 1989-09-19 Idemitsu Petrochemical Co., Ltd. Process of producing thermplastic resin sheet and the like and molding screw therefor
JP6473098B2 (ja) * 2016-04-20 2019-02-20 東京インキ株式会社 混練用スクリュ及び単軸押出機

Also Published As

Publication number Publication date
JPS4851058A (enExample) 1973-07-18
NL7214239A (enExample) 1973-05-01
BE790582A (fr) 1973-04-26
AT336873B (de) 1977-05-25
DE2153143A1 (de) 1973-05-03
ZA727445B (en) 1973-09-26
CH545183A (de) 1973-12-15
IT969855B (it) 1974-04-10
AU4809372A (en) 1974-05-30
ATA906572A (de) 1976-09-15

Similar Documents

Publication Publication Date Title
ATE53957T1 (de) Verfahren zum extrudieren von thermoplastischen materialien.
GB1085725A (en) Reactor for the manufacture of polyethylene phthalates
ES424071A1 (es) Metodo de producir un cuerpo compuesto de caucho y plasti- co.
CA988266A (en) Multistage machine for the plastification and extrusion of synthetic plastic materials
GB902513A (en) Improvements in or relating to machines for extruding or injection-moulding thermoplastic and other materials
FR2242225A1 (en) Extruder for thermoplastics - with reduced temp rise
GB1375237A (enExample)
OA04483A (fr) Procédé et installation de traitement thermique de matière, notamment de minerais.
ES357670A1 (es) Perfeccionamientos en el tratamiento de materias finamente divididos.
ES319226A1 (es) Una prensa de tornillo sin fin para la transformacion de materiales sinteticos termoplasticos.
ES402509A1 (es) Un dispositivo multiplicador de la produccion de un extrui-dor.
FR2120942A5 (en) Fibre feed - from vane mixing chamber to screw press for injection moulding as strengthened plastic
CH526088A (fr) Procédé de traitement de la surface d'une douille en matière poreuse combustible, notamment pour cartouche, et douille traitée par ce procédé
GB1365252A (en) Screw extruder
FR2032968A5 (en) Mixing a thermoplastic material with solid particles
BR7202210D0 (pt) Aperfeicoamentos em elevador helicoidal para material granulado pulverulento e processo de produzir cimento usando o mesmo
FR2182919A1 (en) Plastics mixing appts - with endless screw and rotor with teethed rings rotating inside housing
FR2124315A1 (en) Plastic mouldings - reinforced by laminar mica particles
GB1273502A (en) Extruder
FR2149285A1 (en) Distribution hopper - for pulverulent materials such as flour
ZA707057B (en) Process of producing materials having very high wear resistance and good toughness properties
FR2165352A5 (en) Controlled atms mixer - of multi-screw type ensures adequate exposure of mix particles
FR2263099A1 (en) Screw extruder for explosive powders - e.g. for use as fuses, with plastic extrusion cylinder and/or screw
FR2111330A5 (en) Recovering polyester waste - by comminuting granulating and melt spinning opt together with polyamide waste
FR2148486A1 (en) Scroll plasticizing extruder - for thermoplastic material with an adjustable working screw length

Legal Events

Date Code Title Description
ST Notification of lapse