IT7967682A0 - Estrusore a doppia vite - Google Patents
Estrusore a doppia viteInfo
- Publication number
- IT7967682A0 IT7967682A0 IT7967682A IT6768279A IT7967682A0 IT 7967682 A0 IT7967682 A0 IT 7967682A0 IT 7967682 A IT7967682 A IT 7967682A IT 6768279 A IT6768279 A IT 6768279A IT 7967682 A0 IT7967682 A0 IT 7967682A0
- Authority
- IT
- Italy
- Prior art keywords
- screw extruder
- double screw
- double
- extruder
- screw
- Prior art date
Links
Classifications
-
- 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
- B29B7/482—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 provided with screw parts in addition to other mixing parts, e.g. paddles, gears, discs
-
- 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
- B29C48/67—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
- B29C48/03—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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT0234478A AT384991B (de) | 1978-04-03 | 1978-04-03 | Doppelschneckenextruder |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7967682A0 true IT7967682A0 (it) | 1979-04-02 |
IT1118537B IT1118537B (it) | 1986-03-03 |
Family
ID=3532598
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT67682/79A IT1118537B (it) | 1978-04-03 | 1979-04-02 | Estrusore a doppia vite |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS54135861A (it) |
AR (1) | AR216380A1 (it) |
AT (1) | AT384991B (it) |
BR (1) | BR7902018A (it) |
CH (1) | CH639596A5 (it) |
DE (1) | DE2911834A1 (it) |
FR (1) | FR2421723A1 (it) |
IT (1) | IT1118537B (it) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3820320A1 (de) * | 1988-06-15 | 1989-12-21 | Krauss Maffei Ag | Doppelschneckenextruder |
DE102014219706B3 (de) | 2014-09-29 | 2016-03-31 | Battenfeld-Cincinnati Austria Gmbh | Extruderschnecke |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1119651A (fr) * | 1949-07-15 | 1956-06-22 | Dispositif homogénéiseur pour machine à extruder ou à injecter les matières thermoplastiques | |
BE513692A (it) * | 1951-06-01 | 1900-01-01 | ||
FR1122654A (fr) * | 1955-02-28 | 1956-09-11 | Machine à extruder les matières thermoplastiques sous une pression élevée | |
US3486194A (en) * | 1967-08-07 | 1969-12-30 | Clarence E Parks | Extruder |
DE2235784C3 (de) * | 1972-07-21 | 1986-01-09 | Uniroyal Englebert Reifen GmbH, 5100 Aachen | Einschnecken-Extruder zum Mischen und Homogenisieren von hochviskosen Kautschukmischungen und hochviskosen Thermoplasten |
DE2340499C2 (de) * | 1973-08-10 | 1980-02-14 | Barmag Barmer Maschinenfabrik Ag, 5600 Wuppertal | kenstrangpresse |
DE2554712A1 (de) * | 1975-12-05 | 1977-06-08 | Bayer Ag | Vorrichtung zum extrudieren von temperaturempfindlichen, thermoplastischen kunststoffen zu halbzeugen |
DD124024A1 (it) * | 1976-02-26 | 1977-02-02 | ||
DE2744583A1 (de) * | 1977-10-04 | 1979-04-05 | Heinz Dipl Ing Weber | Doppelschneckenextruder |
-
1978
- 1978-04-03 AT AT0234478A patent/AT384991B/de not_active IP Right Cessation
-
1979
- 1979-03-23 CH CH271979A patent/CH639596A5/de not_active IP Right Cessation
- 1979-03-26 DE DE19792911834 patent/DE2911834A1/de not_active Ceased
- 1979-04-02 AR AR276031A patent/AR216380A1/es active
- 1979-04-02 FR FR7908194A patent/FR2421723A1/fr active Granted
- 1979-04-02 IT IT67682/79A patent/IT1118537B/it active
- 1979-04-03 BR BR7902018A patent/BR7902018A/pt unknown
- 1979-04-03 JP JP4023079A patent/JPS54135861A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
CH639596A5 (en) | 1983-11-30 |
ATA234478A (de) | 1987-07-15 |
DE2911834A1 (de) | 1979-10-04 |
FR2421723A1 (fr) | 1979-11-02 |
FR2421723B1 (it) | 1985-03-08 |
JPS54135861A (en) | 1979-10-22 |
BR7902018A (pt) | 1979-11-27 |
IT1118537B (it) | 1986-03-03 |
AR216380A1 (es) | 1979-12-14 |
AT384991B (de) | 1988-02-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970318 |