DE2018596A1 - Extrusionsverfahren und Vorrichtungen fur thermoplastischem Polymermatenal mit einem hohen Mulekulargewicht - Google Patents

Extrusionsverfahren und Vorrichtungen fur thermoplastischem Polymermatenal mit einem hohen Mulekulargewicht

Info

Publication number
DE2018596A1
DE2018596A1 DE19702018596 DE2018596A DE2018596A1 DE 2018596 A1 DE2018596 A1 DE 2018596A1 DE 19702018596 DE19702018596 DE 19702018596 DE 2018596 A DE2018596 A DE 2018596A DE 2018596 A1 DE2018596 A1 DE 2018596A1
Authority
DE
Germany
Prior art keywords
screw
pump
housing
opening
compressed
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.)
Ceased
Application number
DE19702018596
Other languages
German (de)
English (en)
Inventor
Der Anmelder Ist
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.)
JAARSVELD W
Original Assignee
JAARSVELD W
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 JAARSVELD W filed Critical JAARSVELD W
Publication of DE2018596A1 publication Critical patent/DE2018596A1/de
Ceased 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
    • B29C48/03—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
    • B29C48/022—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
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
    • 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
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/335—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles
    • 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
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/51—Screws with internal flow passages, e.g. for molten 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
DE19702018596 1969-08-27 1970-04-17 Extrusionsverfahren und Vorrichtungen fur thermoplastischem Polymermatenal mit einem hohen Mulekulargewicht Ceased DE2018596A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6913102A NL6913102A (US06544258-20030408-M00015.png) 1969-08-27 1969-08-27

Publications (1)

Publication Number Publication Date
DE2018596A1 true DE2018596A1 (de) 1971-03-11

Family

ID=19807768

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19702018596 Ceased DE2018596A1 (de) 1969-08-27 1970-04-17 Extrusionsverfahren und Vorrichtungen fur thermoplastischem Polymermatenal mit einem hohen Mulekulargewicht

Country Status (4)

Country Link
CH (1) CH523139A (US06544258-20030408-M00015.png)
DE (1) DE2018596A1 (US06544258-20030408-M00015.png)
FR (1) FR2057658A5 (US06544258-20030408-M00015.png)
NL (1) NL6913102A (US06544258-20030408-M00015.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2310938A1 (de) * 1972-03-04 1973-09-13 Dunlop Ltd Verfahren zum herstellen von gegenstaenden

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2310938A1 (de) * 1972-03-04 1973-09-13 Dunlop Ltd Verfahren zum herstellen von gegenstaenden

Also Published As

Publication number Publication date
FR2057658A5 (en) 1971-05-21
NL6913102A (US06544258-20030408-M00015.png) 1971-03-02
CH523139A (de) 1972-05-31

Similar Documents

Publication Publication Date Title
DE69030450T2 (de) Verfahren und vorrichtung zur herstellung eines langgestreckten trägers
DE2837463A1 (de) Vorrichtung zum selbsttaetigen, regelmaessigen einziehen von elastomerem material in schneckenpressen
DE69516640T2 (de) Verfahren und Vorrichtung zur Herstellung von Getreideaggregaten auf industrieller Basis
DE2012645A1 (de) Vorrichtung zum Extrudieren von schwer extrudierbaren Materialien, insbesondere von Kunststoffabfällen
DE1912321A1 (de) Plastifiziervorrichtung
DE1207074B (de) Verfahren und Vorrichtung zum Verarbeiten von thermoplastischen Kunststoffen in einer Schneckenpresse
DE2340406A1 (de) Verfahren zum plastifizieren und dosieren von thermoplastischem material und vorrichtung zur durchfuehrung des verfahrens
DE2154173A1 (de) Durchlaufmischer fur thermoplasti sches Kunstharz
DE2361096A1 (de) Verfahren und vorrichtung zum extrudieren von polymer-harzen mit ultra-hohem molekulargewicht
DE1779122A1 (de) Einrichtung zum Spritzgiessen von Thermoplasten,insbesondere mit einem hohen Gehalt an fluechtigen Stoffen
DE1629196A1 (de) Verfahren zur Herstellung einer Rohreinheit aus einem Kunststoffrohr und einem Metallrohr
DE2449489A1 (de) Verfahren und vorrichtung zur herstellung von auf enddichte vorplastizierten werkstoffen aus hoch molekularen pulverfoermigen fertigmischungen
DE2141421B2 (de) Vorrichtung zum Spritzgiessen von wärmehärtbaren Kunststoffen, insbesondere von kittartigen Polyestergemischen
DE1454933A1 (de) Formsteuervorrichtung fuer eine Spritzgussmaschine
DE2018596A1 (de) Extrusionsverfahren und Vorrichtungen fur thermoplastischem Polymermatenal mit einem hohen Mulekulargewicht
CH527054A (de) Verfahren und Vorrichtung zur Herstellung von beliebig langen Platten, Blöcken oder sonstigen geformten Teilen aus expandierfähigen Kunststoffen
DE102012112747B4 (de) Plastifizierzylinder einer Spritzgießmaschine
DE19854533A1 (de) Verfahren und Vorrichtung zum kontinuierlichen Strang- und Strangrohrpressen von Kleinteilen
EP0339495A2 (de) Verfahren und Vorrichtung zum Strangpressen bzw. Strangrohrpressen eines Gemenges aus pflanzlichen Kleinteilen mit Bindemitteln
DE2350746A1 (de) Verfahren und vorrichtungen zur herstellung von granulaten aus pulverfoermigem, koernigem, teigfoermigem oder aehnlichem gut
DE3931593A1 (de) Verfahren zur herstellung von strangpresserzeugnissen aus gemischten und pflanzlichen kleinteilen, insbesondere holz, unter verwendung von bindemitteln
DE3224800A1 (de) Verfahren und vorrichtung zum pressen eines kerzenstranges
DE678819C (de) Anlage zum Spritzen von Baendern aus It-Mischungen o. dgl.
DE2130648C3 (de) Verfahren und Schneckenmaschine zum Spritzgießen von Kunststoff
DE1912321C (de) Vorrichtung zum Plastifizieren von Kunststoffgranulat

Legal Events

Date Code Title Description
8131 Rejection