IT1277236B1 - Macchina a due rotori filettati convergenti per l'estruzione di plastomeri, elastomeri e simili - Google Patents

Macchina a due rotori filettati convergenti per l'estruzione di plastomeri, elastomeri e simili

Info

Publication number
IT1277236B1
IT1277236B1 IT95MI002415A ITMI952415A IT1277236B1 IT 1277236 B1 IT1277236 B1 IT 1277236B1 IT 95MI002415 A IT95MI002415 A IT 95MI002415A IT MI952415 A ITMI952415 A IT MI952415A IT 1277236 B1 IT1277236 B1 IT 1277236B1
Authority
IT
Italy
Prior art keywords
extruction
plastomers
convergent
elastomers
similar
Prior art date
Application number
IT95MI002415A
Other languages
English (en)
Inventor
Mauro Matteo Giani
Original Assignee
Pomini Spa
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 Pomini Spa filed Critical Pomini Spa
Priority to IT95MI002415A priority Critical patent/IT1277236B1/it
Publication of ITMI952415A0 publication Critical patent/ITMI952415A0/it
Priority to EP96202978A priority patent/EP0775568B1/en
Priority to DE69608081T priority patent/DE69608081T2/de
Priority to US08/741,381 priority patent/US5836681A/en
Priority to JP8310793A priority patent/JPH09174662A/ja
Publication of ITMI952415A1 publication Critical patent/ITMI952415A1/it
Application granted granted Critical
Publication of IT1277236B1 publication Critical patent/IT1277236B1/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
    • B29C48/252—Drive or actuation means; Transmission means; Screw supporting means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
    • B29B7/484—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws with two shafts provided with screws, e.g. one screw being shorter than the other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
    • B29B7/488—Parts, e.g. casings, sealings; Accessories, e.g. flow controlling or throttling devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
    • B29B7/488—Parts, e.g. casings, sealings; Accessories, e.g. flow controlling or throttling devices
    • B29B7/489—Screws
    • 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
    • B29C48/40—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 two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • B29C48/402—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 two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders the screws having intermeshing parts
    • 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
    • B29C48/52—Screws with an outer diameter varying along the longitudinal axis, e.g. for obtaining different thread clearance
    • B29C48/525—Conical screws
    • 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)
IT95MI002415A 1995-11-21 1995-11-21 Macchina a due rotori filettati convergenti per l'estruzione di plastomeri, elastomeri e simili IT1277236B1 (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT95MI002415A IT1277236B1 (it) 1995-11-21 1995-11-21 Macchina a due rotori filettati convergenti per l'estruzione di plastomeri, elastomeri e simili
EP96202978A EP0775568B1 (en) 1995-11-21 1996-10-25 Machine with two converging threaded rotors for the extrusion of plastomers, elastomers and the like
DE69608081T DE69608081T2 (de) 1995-11-21 1996-10-25 Vorrichtung zur Extrusion von Plastomeren, Elastomeren und ähnlichen Materialien mit konvergierenden Schnecken
US08/741,381 US5836681A (en) 1995-11-21 1996-10-29 Machine with two converging threaded rotors for the extrusion of plastomers elastomers and the like
JP8310793A JPH09174662A (ja) 1995-11-21 1996-11-21 プラストマー、エラストマー等を押し出すための２本の収れんするねじ切り付きローターをもつ機械

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT95MI002415A IT1277236B1 (it) 1995-11-21 1995-11-21 Macchina a due rotori filettati convergenti per l'estruzione di plastomeri, elastomeri e simili

Publications (3)

Publication Number Publication Date
ITMI952415A0 ITMI952415A0 (it) 1995-11-21
ITMI952415A1 ITMI952415A1 (it) 1997-05-21
IT1277236B1 true IT1277236B1 (it) 1997-11-05

Family

ID=11372566

Family Applications (1)

Application Number Title Priority Date Filing Date
IT95MI002415A IT1277236B1 (it) 1995-11-21 1995-11-21 Macchina a due rotori filettati convergenti per l'estruzione di plastomeri, elastomeri e simili

Country Status (5)

Country Link
US (1) US5836681A (it)
EP (1) EP0775568B1 (it)
JP (1) JPH09174662A (it)
DE (1) DE69608081T2 (it)
IT (1) IT1277236B1 (it)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19856534A1 (de) * 1998-12-08 2000-06-15 Flender A F & Co Getriebe für einen Doppelschneckenextruder
US6609819B2 (en) * 2001-07-24 2003-08-26 Wenger Mfg Twin screw extruder with conical non-parallel converging screws
US6773739B2 (en) * 2002-08-30 2004-08-10 Wenger Manufacturing, Inc Method and apparatus for extrusion of food products including back pressure valve/diverter
DE102004012569A1 (de) * 2004-03-12 2005-09-29 A. Friedr. Flender Ag Getriebe für einen Doppelschneckenextruder
DE102004050448A1 (de) * 2004-10-16 2006-04-20 Thielenhaus Technologies Gmbh Antrieb für einen Schneckenextruder und Verfahren zum Drehantrieb einer Extruderschnecke
DE102004050447A1 (de) * 2004-10-16 2006-04-20 Thielenhaus Technologies Gmbh Antrieb für einen Schneckenextruder und Verfahren zum Drehantrieb einer Extruderschnecke
AT503371B1 (de) * 2005-11-25 2010-11-15 Schulz Helmuth Ing Vorrichtung und verfahren zur verarbeitung von material durch mischung und bzw. oder plastifizierung oder agglomerierung
ITMI20061694A1 (it) * 2006-09-06 2008-03-07 Techint Spa Estrusore a due viti convergenti per l'estrusione di plastomeri,elastomeri e liquidi viscosi in genere
JP5027717B2 (ja) * 2008-04-08 2012-09-19 株式会社モリヤマ ２軸押出機
JP6202624B2 (ja) * 2014-06-30 2017-09-27 日本スピンドル製造株式会社 ２軸押出機
DE102017121608B4 (de) * 2017-09-18 2024-11-14 Thomas Mahlig Zweischneckenextrudergetriebe
DE102018007030A1 (de) * 2017-10-05 2019-04-11 SEW-EURODRlVE GmbH & Co. KG Getriebesystem und Extrudermaschine mit einem Getriebesystem
FR3093457A1 (fr) * 2019-03-06 2020-09-11 Compagnie Generale Des Etablissements Michelin Machine de Mélangeage et d’Extrusion à Bi-Vis avec Éléments Amovibles
FR3093459A1 (fr) 2019-03-06 2020-09-11 Compagnie Generale Des Etablissements Michelin Gestion de Température des Mélanges de Caoutchouc Sortant un Mélangeur à Bi-Vis Conique Convergente
FR3093458A1 (fr) 2019-03-06 2020-09-11 Compagnie Generale Des Etablissements Michelin Machine de Mélangeage et d’Extrusion à Bi-Vis Autonettoyante et Méthode d’Utilisation
WO2021165871A1 (en) * 2020-02-20 2021-08-26 Pomini Rubber & Plastics S.R.L. Apparatus and method for mixing elastomeric materials

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2466934A (en) * 1946-01-05 1949-04-12 Charles E Dellenbarger Extruding machine for plastic material
CH444470A (de) * 1965-09-21 1967-09-30 Ekma Entwicklungs Und Maschine Verfahren zum Extrudieren und Extruder zur Durchführung des Verfahrens
DE2748918C2 (de) * 1977-11-02 1986-10-30 Heinz Dipl.-Ing. 8640 Kronach Weber Doppelschneckenextruder mit miteinander kämmenden konischen Extruderschnecken
JPS5836425A (ja) * 1981-08-27 1983-03-03 Yokohama Rubber Co Ltd:The ２軸混練押出機
DE3321383C1 (de) * 1983-06-14 1985-03-07 Josef A. 7144 Asperg Blach Bearbeitungswelle fuer Maschinen zum Extrudieren,Kneten,Dispergieren,Mischen oder Homogenisieren zaehviskoser,plastischer,koerniger oder pulverfoermiger Materialien
EP0145845A1 (en) * 1983-10-03 1985-06-26 Texas Instruments Incorporated Dual field of view catadioptric optical system
JPS60124231A (ja) * 1983-12-09 1985-07-03 Masao Moriyama コ−ン型押出機
US4688447A (en) * 1985-04-01 1987-08-25 Dana Corporation Vehicle torque transfer gear assembly having different angled output shafts
US4764020A (en) * 1986-12-12 1988-08-16 Masao Moriyama Apparatus for mixing and extruding viscous liquids
DE3700771C1 (de) * 1987-01-13 1988-05-05 Weber Johannes Doppelschneckenextruder
CA2049256A1 (en) 1990-08-22 1992-02-23 Masao Moriyama Twin conical screw extruder
JP2962625B2 (ja) * 1992-11-16 1999-10-12 株式会社神戸製鋼所 コーン型２軸押出機

Also Published As

Publication number Publication date
JPH09174662A (ja) 1997-07-08
ITMI952415A0 (it) 1995-11-21
US5836681A (en) 1998-11-17
EP0775568B1 (en) 2000-05-03
ITMI952415A1 (it) 1997-05-21
DE69608081D1 (de) 2000-06-08
EP0775568A1 (en) 1997-05-28
DE69608081T2 (de) 2000-09-14

Similar Documents

Publication Publication Date Title
IT1277236B1 (it) Macchina a due rotori filettati convergenti per l'estruzione di plastomeri, elastomeri e simili
FR2718350B1 (fr) Compositions cosmétiques à appliquer sur l'ongle.
DK0771789T3 (da) 1 alpha, 26-dihydroxy-D-homo-vitamin D3
FR2718349B1 (fr) Compositions cosmétiques à appliquer sur l'ongle.
FI941599A0 (fi) Hissikoneisto
IT1293242B1 (it) Macchina ginnica con regolazione dell'assetto.
IT1302621B1 (it) Macchina per l'applicazione di collante in zone prestabilite diprodotti in genere.
NO960223D0 (no) 2,9-disubstituerte purin-6-oner
DE59607589D1 (de) N-aryl-1,2,4-triazolin-5-one
ITTO930866A0 (it) Procedimento e macchina per la fabbricazione di copertine per libri e simili, e copertine cosi' realizzate.
FR2735094B1 (fr) Rotor d'helicoptere
ITBO960543A0 (it) Procedimento di lavaggio con una macchina lavatrice, o simili e macchina lavatrice per l'attuazione del detto procedimento
FI973245L (fi) Verisuonia supistavat substituoidut 2,3-dihydro-1,4-dioksinopyridiinit
BR9510407A (pt) Composição fotopolimerizável com acetilenos e processos para a fotopolimerização de acetilenos
ITTO940505A0 (it) Procedimento per l'attuazione di microgiunti e macchina per l'attuazione di tale procedimento.
IT1294730B1 (it) Procedimento per la fabbricazione a macchina di un libro e simili
ITPI940010A0 (it) Macchina modificata per la cucitura di calze, calzini, gambaletti e simili
ITPN950013A0 (it) Macchina piegatrice e tranciatrice per l'edilizia
ITTO940959A0 (it) Organo di lavaggio e macchina di lavaggio dotata dell'organo di lavag-gio stesso.
ITTO950643A0 (it) Procedimento e macchina per la fabbricazione di copertine per libri e simili, e copertine cosi' realizzate.
IT237690Y1 (it) Attacco snodato per scope e simili.
UA25453A (uk) Клиh в'язальhої машиhи
ITBO950257A0 (it) Impilatore-espulsore perfezionato, in particolare per riviste e simili
ITBO960004A0 (it) Dispositivo per operazioni di ispezione e manutenzione, nonche' per il trascinamento di cavi e simili all'interno di condutture
FR2713431B1 (fr) Perfectionnement à l'interface "Amplificateur de puissance-enceinte acoustique".

Legal Events

Date Code Title Description
0001 Granted