DE3242708C2 - - Google Patents

Info

Publication number
DE3242708C2
DE3242708C2 DE3242708A DE3242708A DE3242708C2 DE 3242708 C2 DE3242708 C2 DE 3242708C2 DE 3242708 A DE3242708 A DE 3242708A DE 3242708 A DE3242708 A DE 3242708A DE 3242708 C2 DE3242708 C2 DE 3242708C2
Authority
DE
Germany
Prior art keywords
shear
screw
cylinder
screw press
zone
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.)
Expired
Application number
DE3242708A
Other languages
German (de)
English (en)
Other versions
DE3242708A1 (de
Inventor
Friedhelm Dr.-Ing. Hensen
Egon Dipl.-Ing. 5630 Remscheid De Gathmann
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.)
Oerlikon Barmag AG
Original Assignee
Barmag 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 Barmag AG filed Critical Barmag AG
Priority to DE19823242708 priority Critical patent/DE3242708A1/de
Publication of DE3242708A1 publication Critical patent/DE3242708A1/de
Application granted granted Critical
Publication of DE3242708C2 publication Critical patent/DE3242708C2/de
Granted 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
    • B29C48/68—Barrels or cylinders
    • B29C48/685—Barrels or cylinders characterised by their inner surfaces, e.g. having grooves, projections or threads
    • B29C48/688—Barrels or cylinders characterised by their inner surfaces, e.g. having grooves, projections or threads having threads
    • 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
    • B29C48/375—Plasticisers, homogenisers or feeders comprising two or more stages
    • 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
    • B29C48/465—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using rollers
    • B29C48/467—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using rollers using single rollers, e.g. provided with protrusions, closely surrounded by a housing with movement of the material in the axial direction
    • B29C48/468—Cavity transfer mixing devices, i.e. a roller and surrounding barrel both provided with cavities; Barrels and rollers therefor
    • 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
    • B29C48/501—Extruder feed section
    • 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
    • B29C48/53—Screws having a varying channel depth, e.g. varying the diameter of the longitudinal screw trunk
    • 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
    • B29C48/565—Screws having projections other than the thread, e.g. pins
    • 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
    • B29C48/67—Screws having incorporated mixing devices not provided for in groups B29C48/52 - B29C48/66
    • 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
    • B29C48/68—Barrels or cylinders
    • B29C48/685—Barrels or cylinders characterised by their inner surfaces, e.g. having grooves, projections or threads
    • B29C48/686—Barrels or cylinders characterised by their inner surfaces, e.g. having grooves, projections or threads having grooves or cavities
    • 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
DE19823242708 1981-11-21 1982-11-19 Einwellige schneckenpresse Granted DE3242708A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19823242708 DE3242708A1 (de) 1981-11-21 1982-11-19 Einwellige schneckenpresse

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3146126 1981-11-21
DE19823242708 DE3242708A1 (de) 1981-11-21 1982-11-19 Einwellige schneckenpresse

Publications (2)

Publication Number Publication Date
DE3242708A1 DE3242708A1 (de) 1983-06-16
DE3242708C2 true DE3242708C2 (it) 1988-06-09

Family

ID=25797467

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19823242708 Granted DE3242708A1 (de) 1981-11-21 1982-11-19 Einwellige schneckenpresse

Country Status (1)

Country Link
DE (1) DE3242708A1 (it)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3806147A1 (de) * 1987-02-27 1988-09-08 Reifenhaeuser Masch Vorrichtung zum mischen von thermoplastifiziertem kunststoff
DE10055190A1 (de) * 2000-11-07 2002-05-16 Basf Ag Verfahren zur Herstellung folienhinterspritzter Kunststoffformteile sowie folienhinterspritzte Kunststoffformteile

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3323202A1 (de) * 1982-06-29 1983-12-29 Barmag Barmer Maschinenfabrik Ag, 5630 Remscheid Schmelzspinn- und streckverfahren zur herstellung von polypropylenfaeden
JPS61144324A (ja) * 1984-12-19 1986-07-02 Idemitsu Petrochem Co Ltd 熱可塑性樹脂の押出方法及びそれに用いる押出装置
DE3543190A1 (de) * 1985-12-06 1987-06-11 Buehler Ag Geb Vorrichtung zum kontinuierlichen dispergieren und feinmahlen von feststoffen
JPS62246707A (ja) * 1986-04-18 1987-10-27 Kishimoto Sangyo Kk 複合材混合機構
GB8918780D0 (en) * 1989-08-17 1989-09-27 Shaw Francis & Co Ltd Processing apparatus
EP0619169B1 (en) * 1990-06-15 1996-09-18 Tonen Chemical Corporation Method of producing multi-layer plastic fuel tank
DE4039942C1 (it) * 1990-12-14 1992-01-30 Berstorff Gmbh Masch Hermann
DE102006022123C5 (de) 2006-05-11 2010-07-29 Kiefel Extrusion Gmbh Schneckenpresse für die Verarbeitung thermoplastischer und nicht vernetzender Polymere

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE551763A (it) * 1961-05-15 1900-01-01
DE2340499C2 (de) * 1973-08-10 1980-02-14 Barmag Barmer Maschinenfabrik Ag, 5600 Wuppertal kenstrangpresse
DD124023A1 (it) * 1974-10-09 1977-02-02

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3806147A1 (de) * 1987-02-27 1988-09-08 Reifenhaeuser Masch Vorrichtung zum mischen von thermoplastifiziertem kunststoff
DE10055190A1 (de) * 2000-11-07 2002-05-16 Basf Ag Verfahren zur Herstellung folienhinterspritzter Kunststoffformteile sowie folienhinterspritzte Kunststoffformteile

Also Published As

Publication number Publication date
DE3242708A1 (de) 1983-06-16

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Legal Events

Date Code Title Description
8127 New person/name/address of the applicant

Owner name: BARMAG AG, 5630 REMSCHEID, DE

8110 Request for examination paragraph 44
D2 Grant after examination
8363 Opposition against the patent
8331 Complete revocation