DE3784393D1 - Mischverfahren mit gegensinnig zu einer extruderschnecke arbeitenden schneckengaengen. - Google Patents

Mischverfahren mit gegensinnig zu einer extruderschnecke arbeitenden schneckengaengen.

Info

Publication number
DE3784393D1
DE3784393D1 DE8787830186T DE3784393T DE3784393D1 DE 3784393 D1 DE3784393 D1 DE 3784393D1 DE 8787830186 T DE8787830186 T DE 8787830186T DE 3784393 T DE3784393 T DE 3784393T DE 3784393 D1 DE3784393 D1 DE 3784393D1
Authority
DE
Germany
Prior art keywords
mixing process
extruding screw
optional work
direction opposite
screw
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 - Fee Related
Application number
DE8787830186T
Other languages
English (en)
Other versions
DE3784393T2 (de
Inventor
Guiseppe Gagliani
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of DE3784393D1 publication Critical patent/DE3784393D1/de
Publication of DE3784393T2 publication Critical patent/DE3784393T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B29C48/565—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
    • B29C48/03—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
DE87830186T 1986-05-30 1987-05-18 Mischverfahren mit gegensinnig zu einer Extruderschnecke arbeitenden Schneckengängen. Expired - Fee Related DE3784393T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT42004/86A IT1221893B (it) 1986-05-30 1986-05-30 Procedimento industriale di miscelazione in continuo tramite particolare conformazione della vite dell'estrusore

Publications (2)

Publication Number Publication Date
DE3784393D1 true DE3784393D1 (de) 1993-04-08
DE3784393T2 DE3784393T2 (de) 1993-09-30

Family

ID=11253572

Family Applications (1)

Application Number Title Priority Date Filing Date
DE87830186T Expired - Fee Related DE3784393T2 (de) 1986-05-30 1987-05-18 Mischverfahren mit gegensinnig zu einer Extruderschnecke arbeitenden Schneckengängen.

Country Status (7)

Country Link
EP (1) EP0252886B1 (de)
JP (1) JPS6323723A (de)
AT (1) ATE86176T1 (de)
CA (1) CA1299336C (de)
DE (1) DE3784393T2 (de)
ES (1) ES2040275T3 (de)
IT (1) IT1221893B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6639148B2 (en) * 2001-06-20 2003-10-28 Federal-Mogul Systems Protection Group, Inc. Extendible drain members for grounding RFI/EMI shielding
US8025899B2 (en) 2003-08-28 2011-09-27 Abbott Laboratories Solid pharmaceutical dosage form

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1122654A (fr) * 1955-02-28 1956-09-11 Machine à extruder les matières thermoplastiques sous une pression élevée
LU38309A1 (de) * 1960-02-05 1900-01-01
US3211209A (en) * 1962-10-16 1965-10-12 Monsanto Co Apparatus for changing the volatile content of viscous materials
FR1442473A (fr) * 1965-05-05 1966-06-17 Loire Atel Forges Perfectionnement aux extrudeuses pour l'affinage de matières plastiques
DE1936418A1 (de) * 1969-07-17 1971-01-28 Uniroyal Englebert Ag Vorrichtung zur Verarbeitung von hochviskosen Werkstoffen,insbesondere Kautschukmischungen in Einschnecken-Extrudern
DE2117997A1 (en) * 1970-04-15 1971-10-28 Anger Plastic Gmbh Thermoplastics extruder
US3989434A (en) * 1975-10-29 1976-11-02 Mcdowell-Wellman Engineering Company Blending and molding means
IT1129398B (it) * 1980-12-15 1986-06-04 Comind Spa Dispositivo miscelatore omogeneizzatore per presse ad iniezione ed estrusori per termoplastici

Also Published As

Publication number Publication date
DE3784393T2 (de) 1993-09-30
JPS6323723A (ja) 1988-02-01
ATE86176T1 (de) 1993-03-15
CA1299336C (en) 1992-04-28
IT1221893B (it) 1990-07-12
EP0252886B1 (de) 1993-03-03
EP0252886A3 (en) 1989-06-28
IT8642004A0 (it) 1986-05-30
EP0252886A2 (de) 1988-01-13
ES2040275T3 (es) 1993-10-16

Similar Documents

Publication Publication Date Title
SE7503382L (sv) Strengsprutmaskin.
ES2027653T3 (es) Metodo de fabricar paneles, aparato para realizar este metodo y paneles obtenidos con los mismos.
ATE217543T1 (de) Modul zu einer statischen mischeinrichtung für ein verweilzeitkritisches, plastisch fliessfähiges mischgut
DE69005237D1 (de) Extrudiervorrichtung und Verfahren zum Mischen von Fasern und thermoplastischen Kunststoffen.
ATE136249T1 (de) Extruderschnecke
DE3481408D1 (de) Extrusionsverfahren fuer geschaeumte polymere mit beta(a)-polyolefinadditiven und mit verwendung von abfallmaterial sowie die zusammensetzungen dazu.
DE3585730D1 (de) Verfahren und vorrichtung zum extrudieren von thermoplastischen kunststoffen.
DE69936224D1 (de) Einfache extruderschnecke zum effizienten mischen unmischbarer polymermaterialien
EP0346757A3 (de) Doppelschneckenextruder
ATE251021T1 (de) Verfahren und vorrichtung zur kontinuierlichen herstellung von verbundwerkstoffen aus kunststoff und cellulose fasern
DE3878200D1 (de) Vorrichtung zum aufbereiten von thermoplastischem kunststoffgut.
GB1283265A (en) Process for the extrusion of a homogeneous mixture of a thermoplastic material with a liquid
DE3776882D1 (de) Direktverarbeitung von polymer mit pulverfoermigen additiven in spritzgiessmaschinen.
DE69614067T2 (de) Vorrichtung zur Extrusion von Kunststoffen und ähnlichen Materialien mit konvergierenden Schnecken, wobei jede mit eigenem Antriebsmotor angetrieben wird
DE3784393D1 (de) Mischverfahren mit gegensinnig zu einer extruderschnecke arbeitenden schneckengaengen.
NL157541B (nl) Kunststofextruder met ten minste twee transportmengschroeven.
DE69110464T2 (de) Verfahren und vorrichtung zur herstellung von kunststoffteilen mit hilfe einer heissen mischung aus pvc-pulver und additiven und heissmischer für dieses verfahren.
ES2013649B3 (es) Util para el prensado de extrusion para el moldeo por extrusion de un perfil marmorado de una materia sintetica termoplastica.
GB1478106A (en) Screw extruder for thermoplastics materials
ATE73383T1 (de) Strangpresswerkzeug zum herstellen von marmorierten profilen.
ES8406281A1 (es) Procedimiento para fabricar una hoja que presenta una faja de color con intensidad de color diferente
DE3883348D1 (de) Verfahren zum extrudieren von kunststoffen, extruder zum ausfuehren des verfahrens und anwendungen.
ES508580A0 (es) Dispositivo mezclador homogeneizador para prensas de inyeccion y extrusoras para termoplasticos.
FR2421723A1 (fr) Extrudeuse a deux vis
BR8403785A (pt) Aparelho para avancar e trabalhar materiais termoplasticos e parafuso de alimentacao de extrusao

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee