IT1290410B1 - Dispositivo a porta, particolarmente per un processore di polimeri, quale un estrusore - Google Patents
Dispositivo a porta, particolarmente per un processore di polimeri, quale un estrusoreInfo
- Publication number
- IT1290410B1 IT1290410B1 IT96MI000864A ITMI960864A IT1290410B1 IT 1290410 B1 IT1290410 B1 IT 1290410B1 IT 96MI000864 A IT96MI000864 A IT 96MI000864A IT MI960864 A ITMI960864 A IT MI960864A IT 1290410 B1 IT1290410 B1 IT 1290410B1
- Authority
- IT
- Italy
- Prior art keywords
- cavity
- rotor
- outlet
- flight section
- extruder
- Prior art date
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
- B29C48/76—Venting, drying means; Degassing means
- B29C48/765—Venting, drying means; Degassing means in the extruder apparatus
- B29C48/766—Venting, drying means; Degassing means in the extruder apparatus in screw extruders
- B29C48/767—Venting, drying means; Degassing means in the extruder apparatus in screw extruders through a degassing opening of a barrel
-
- 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
- B29B7/40—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
- B29B7/42—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix
- B29B7/421—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix with screw and additionally other mixing elements on the same shaft, e.g. paddles, discs, bearings, rotor blades of the Banbury type
-
- 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
- B29B7/40—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
- B29B7/42—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix
- B29B7/428—Parts or accessories, e.g. casings, feeding or discharging means
- B29B7/429—Screws
-
- 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
- B29B7/58—Component parts, details or accessories; Auxiliary operations
-
- 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
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/84—Venting or degassing ; Removing liquids, e.g. by evaporating components
- B29B7/845—Venting, degassing or removing evaporated components in devices with rotary stirrers
-
- 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
- B29C48/025—General arrangement or layout of plant
-
- 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
- B29C48/14—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration
- B29C48/142—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration using force fields, e.g. gravity or electrical fields
-
- 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
- B29C48/38—Plasticisers, homogenisers or feeders comprising two or more stages using two or more serially arranged screws in the same barrel
-
- 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
- B29C48/74—Bypassing means, i.e. part of the molten material being diverted into downstream stages of the extruder
- B29C48/745—Bypassing means, i.e. part of the molten material being diverted into downstream stages of the extruder for plasticising or homogenising devices
-
- 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)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Formation And Processing Of Food Products (AREA)
- Power-Operated Mechanisms For Wings (AREA)
- Vending Machines For Individual Products (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Polyesters Or Polycarbonates (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Polyamides (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT96MI000864A IT1290410B1 (it) | 1996-05-03 | 1996-05-03 | Dispositivo a porta, particolarmente per un processore di polimeri, quale un estrusore |
PCT/EP1997/002248 WO1997042019A1 (en) | 1996-05-03 | 1997-05-02 | Port device for extruder |
DE69703291T DE69703291T2 (de) | 1996-05-03 | 1997-05-02 | Nebenvorrichtung für extruder |
EP97921848A EP0907492B1 (en) | 1996-05-03 | 1997-05-02 | Port device for extruder |
AT97921848T ATE196875T1 (de) | 1996-05-03 | 1997-05-02 | Nebenvorrichtung für extruder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT96MI000864A IT1290410B1 (it) | 1996-05-03 | 1996-05-03 | Dispositivo a porta, particolarmente per un processore di polimeri, quale un estrusore |
Publications (3)
Publication Number | Publication Date |
---|---|
ITMI960864A0 ITMI960864A0 (it) | 1996-05-03 |
ITMI960864A1 ITMI960864A1 (it) | 1997-11-03 |
IT1290410B1 true IT1290410B1 (it) | 1998-12-03 |
Family
ID=11374186
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT96MI000864A IT1290410B1 (it) | 1996-05-03 | 1996-05-03 | Dispositivo a porta, particolarmente per un processore di polimeri, quale un estrusore |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0907492B1 (it) |
AT (1) | ATE196875T1 (it) |
DE (1) | DE69703291T2 (it) |
IT (1) | IT1290410B1 (it) |
WO (1) | WO1997042019A1 (it) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITTO20010820A1 (it) * | 2001-08-21 | 2003-02-21 | Giuseppe Ponzielli | Dispositivo a porta. |
DE102007045156A1 (de) * | 2007-09-20 | 2009-04-02 | Evonik Röhm Gmbh | Entgasungsextruder zur Entgasung eines Polymermaterials sowie Verfahren zur Entgasung eines Sirups aus Polymeren, Lösungsmitteln und/oder Monomeren unter Verwendung eines Entgasungsextruders |
DE102010047482A1 (de) * | 2010-10-06 | 2012-04-12 | Diamat Maschinenbau Gmbh | Extrudieranlage |
DE102013002559B4 (de) * | 2013-02-15 | 2014-09-18 | Reifenhäuser GmbH & Co. KG Maschinenfabrik | Einschnecken-Extruder und Verfahren zum Plastifizieren von Kunststoff-Polymeren |
IT202000017503A1 (it) * | 2020-07-17 | 2022-01-17 | Fimic S R L | Modulo pompa a vite per estrusione materie plastiche |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB190012574A (en) * | 1900-07-12 | 1901-05-25 | Thomas Henry Vercoe | Improvements in or relating to Pneumatic Tyres. |
FR1048701A (fr) * | 1950-11-17 | 1953-12-23 | Union Carbide & Carbon Corp | Procédé et appareil pour le broyage continu des matières plastiques |
US2607077A (en) * | 1951-06-28 | 1952-08-19 | Dow Chemical Co | Mixing torpedo for plastics extruders |
US4310251A (en) * | 1970-11-20 | 1982-01-12 | Intercole Automation, Inc. | Continuous mixer internal pressure control |
US3797550A (en) * | 1971-08-16 | 1974-03-19 | Monsanto Co | Wiped film devolatilizer construction |
JPS56139A (en) * | 1979-06-15 | 1981-01-06 | Kobe Steel Ltd | Kneading, extruding device |
JPS59159328A (ja) * | 1983-03-03 | 1984-09-08 | Kobe Steel Ltd | ベント付スクリユ排出形混練機 |
DE3615586C1 (de) * | 1986-05-09 | 1987-05-07 | Berstorff Gmbh Masch Hermann | Strangpressvorrichtung zum Herstellen von Kunststoffschmelzemischungen |
-
1996
- 1996-05-03 IT IT96MI000864A patent/IT1290410B1/it active IP Right Grant
-
1997
- 1997-05-02 WO PCT/EP1997/002248 patent/WO1997042019A1/en active IP Right Grant
- 1997-05-02 AT AT97921848T patent/ATE196875T1/de not_active IP Right Cessation
- 1997-05-02 EP EP97921848A patent/EP0907492B1/en not_active Expired - Lifetime
- 1997-05-02 DE DE69703291T patent/DE69703291T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ATE196875T1 (de) | 2000-10-15 |
DE69703291D1 (de) | 2000-11-16 |
EP0907492B1 (en) | 2000-10-11 |
ITMI960864A0 (it) | 1996-05-03 |
EP0907492A1 (en) | 1999-04-14 |
ITMI960864A1 (it) | 1997-11-03 |
DE69703291T2 (de) | 2001-05-17 |
WO1997042019A1 (en) | 1997-11-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted |