IT1228067B - Procedimento e dispositivo per il mantenimento di un processo di degassificazione a ritroso in un estrusore monococlea. - Google Patents
Procedimento e dispositivo per il mantenimento di un processo di degassificazione a ritroso in un estrusore monococlea.Info
- Publication number
- IT1228067B IT1228067B IT8919237A IT1923789A IT1228067B IT 1228067 B IT1228067 B IT 1228067B IT 8919237 A IT8919237 A IT 8919237A IT 1923789 A IT1923789 A IT 1923789A IT 1228067 B IT1228067 B IT 1228067B
- Authority
- IT
- Italy
- Prior art keywords
- retrose
- maintenance
- procedure
- screw extruder
- single screw
- 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
-
- 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
- B29C48/397—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 a single screw
-
- 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
- B29C48/68—Barrels or cylinders
- B29C48/685—Barrels or cylinders characterised by their inner surfaces, e.g. having grooves, projections or threads
- B29C48/687—Barrels or cylinders characterised by their inner surfaces, e.g. having grooves, projections or threads having projections with a short length in the barrel direction, 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
- B29C48/76—Venting, drying means; Degassing means
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
- Y10S425/812—Venting
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 |
---|---|---|---|
DE3805748A DE3805748A1 (de) | 1988-02-24 | 1988-02-24 | Verfahren und einrichtung zur aufrechterhaltung eines rueckwaertsentgasungsvorganges an einem einschneckenextruder |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8919237A0 IT8919237A0 (it) | 1989-01-27 |
IT1228067B true IT1228067B (it) | 1991-05-28 |
Family
ID=6348053
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT8919237A IT1228067B (it) | 1988-02-24 | 1989-01-27 | Procedimento e dispositivo per il mantenimento di un processo di degassificazione a ritroso in un estrusore monococlea. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4900494A (it) |
JP (1) | JPH01262117A (it) |
DE (1) | DE3805748A1 (it) |
GB (1) | GB2217647B (it) |
IT (1) | IT1228067B (it) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3840293A1 (de) * | 1988-11-30 | 1990-05-31 | Werner & Pfleiderer | Verfahren zum entfernen von verunreinigungen aus polymeren kunststoffen und vorrichtung zur durchfuehrung des verfahrens |
DK0474705T3 (da) * | 1989-06-01 | 1995-12-27 | Starch Australasia Limited | Stivelsesafledte formede genstande |
DE4010540C1 (it) * | 1990-04-02 | 1991-11-07 | Wilfried Dipl.-Ing. 3017 Pattensen De Baumgarten | |
US5088914A (en) * | 1990-05-11 | 1992-02-18 | Romano Brambilla | Double flighted extrusion screw |
DE4017724C1 (it) * | 1990-06-01 | 1991-03-07 | Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover, De | |
DE4039942C1 (it) * | 1990-12-14 | 1992-01-30 | Berstorff Gmbh Masch Hermann | |
US5637268A (en) * | 1994-05-06 | 1997-06-10 | Texas A & M University System | Method of extruding plastics |
US6129873A (en) * | 1998-04-08 | 2000-10-10 | Eastman Chemical Company | Process for removing moisture and volatiles from pellets in single screw extruders |
US6280667B1 (en) | 1999-04-19 | 2001-08-28 | Andersen Corporation | Process for making thermoplastic-biofiber composite materials and articles including a poly(vinylchloride) component |
JP3886467B2 (ja) * | 2003-04-10 | 2007-02-28 | 株式会社日本製鋼所 | スクリュ式混練押出機 |
AT507971B1 (de) * | 2009-02-03 | 2010-11-15 | Starlinger & Co Gmbh | Kunststoff-extruder |
DE102014002209B4 (de) * | 2013-10-11 | 2016-11-24 | Blach Verwaltungs Gmbh & Co. Kg | Vorrichtung zur Seitenstrombeschickung eines Extruders |
CN109563350A (zh) * | 2016-07-27 | 2019-04-02 | Fp创新研究所 | 柔性纤维的真空辅助共挤出和所生产的可模制热塑性复合材料 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1930540U (de) * | 1965-05-28 | 1966-01-05 | Barmag Barmer Maschf | Schneckenpresse zur verarbeitung thermoplastischer, insbesondere bereits vorplastifizierter bzw. frisch erschmolzener kunststoffe. |
US3376603A (en) * | 1966-05-20 | 1968-04-09 | Lavorazione Mat Plast | Apparatus for manufacturing synthetic textile fibers |
US3719350A (en) * | 1971-03-22 | 1973-03-06 | Baker Perkins Inc | Self-cleaning venting section for continuous mixers |
DE2203759B1 (de) * | 1972-01-24 | 1973-08-16 | Mannesmann Meer AG, 4050 Monchenglad bach | Entgasungseinrichtung fuer eine schneckenstrangpresse zur verarbeitung von kunststoffen und gummi |
US3811658A (en) * | 1972-01-24 | 1974-05-21 | H Heidrich | Extruder for processing plastics and rubber |
SU591166A1 (ru) * | 1975-12-19 | 1978-02-05 | Всесоюзный Научно-Исследовательский Институт Мясной Промышленности | Устройство дл вакуумировани фарша |
SU592605A2 (ru) * | 1976-05-24 | 1978-02-15 | Ленинградский Ордена Трудового Красного Знамени Технологический Институт Им.Ленсовета | Приспособление к вальцам дл интенсификации процесса перемешивани полимерных материалов |
US4117548A (en) * | 1977-11-30 | 1978-09-26 | The French Oil Mill Machinery Company | Screw vent |
DE2800632C3 (de) * | 1978-01-07 | 1981-02-19 | Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover | Schneckenstrangpresse für thermoplastische Kunststoffe |
CA1141795A (en) * | 1978-12-01 | 1983-02-22 | Peter Hold | Seals for rotary processor |
DE3150719C2 (de) * | 1981-12-22 | 1987-04-02 | Uniroyal Englebert Reifen GmbH, 5100 Aachen | Schneckenextruder |
DE3275070D1 (de) * | 1982-08-26 | 1987-02-19 | Berstorff Gmbh Masch Hermann | Extruder with vent zone |
JPS59118438A (ja) * | 1982-12-24 | 1984-07-09 | Sekisui Chem Co Ltd | 熱可塑性樹脂の押出し装置 |
JPS59120435A (ja) * | 1982-12-28 | 1984-07-12 | Toshiba Mach Co Ltd | 押出成形方法および装置 |
-
1988
- 1988-02-24 DE DE3805748A patent/DE3805748A1/de active Granted
-
1989
- 1989-01-27 IT IT8919237A patent/IT1228067B/it active
- 1989-02-06 GB GB8902606A patent/GB2217647B/en not_active Expired - Lifetime
- 1989-02-15 US US07/310,641 patent/US4900494A/en not_active Expired - Fee Related
- 1989-02-22 JP JP1040417A patent/JPH01262117A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
IT8919237A0 (it) | 1989-01-27 |
JPH01262117A (ja) | 1989-10-19 |
GB8902606D0 (en) | 1989-03-22 |
GB2217647B (en) | 1991-05-01 |
DE3805748A1 (de) | 1989-09-07 |
DE3805748C2 (it) | 1989-11-30 |
US4900494A (en) | 1990-02-13 |
GB2217647A (en) | 1989-11-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IT8821481A0 (it) | Processo ed apparato per la devolatilizzazione di soluzioni di polimeri. | |
PT84365B (pt) | Processo e aparelho de extrusao | |
BR9303505A (pt) | Aparelho para isolar um intervalo de produçao em um poço de produçao e método para isolar uma zona de produçao | |
MX161668A (es) | Mejoras en aparato para perforacion de piezas con fresas roscadas | |
GB2221344B (en) | Semiconductor device and production method therefor | |
PT87794A (pt) | Processo e dispositivo para injeccao | |
KR900007575A (ko) | 압출 성형 방법 및 그 장치 | |
GB8826340D0 (en) | Data entry keyboard apparatus | |
BR8807896A (pt) | Processo e aparelhagem para o preparo de emulsoes | |
IT1228067B (it) | Procedimento e dispositivo per il mantenimento di un processo di degassificazione a ritroso in un estrusore monococlea. | |
IT8348472A0 (it) | Processo e dispositivo per la produzione di profilati | |
PT89723A (pt) | Processo e aparelho de armazenagem termica | |
IT1190480B (it) | Metodo ed apparecchio di levata per filatoio | |
IT1227263B (it) | Apparecchiatura e metodo di filatura per estrusione | |
BR8603174A (pt) | Conjunto de transdutor de pressao de ajustamento automatico em zero e processo de operacao do mesmo | |
PT91950A (pt) | Processo e dispositivo para concentrar solucoes | |
EP0425291A3 (en) | Word recognition process and apparatus | |
BR8900507A (pt) | Processo e dispositivo de obtencao de uma folha de vidro curvada | |
FR2617645B1 (fr) | Dispositif en materiau supraconducteur et procede de realisation | |
GB2229960B (en) | An extrusion process and apparatus therefor | |
BR8902926A (pt) | Aparelho e processo para destilacao de agua | |
FR2626409B1 (fr) | Dispositif en materiau supraconducteur et procede de realisation | |
IT9047704A0 (it) | Metodo ed apparecchio per produrre fili. | |
GB2217252B (en) | Extrusion process and apparatus | |
IT1227084B (it) | Metodo e dispositivo per il controllo di un processo di nitrurazione. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19980130 |