DE2922572A1 - Entgasungsvorrichtung fuer thermoplastische formmassen - Google Patents
Entgasungsvorrichtung fuer thermoplastische formmassenInfo
- Publication number
- DE2922572A1 DE2922572A1 DE2922572A DE2922572A DE2922572A1 DE 2922572 A1 DE2922572 A1 DE 2922572A1 DE 2922572 A DE2922572 A DE 2922572A DE 2922572 A DE2922572 A DE 2922572A DE 2922572 A1 DE2922572 A1 DE 2922572A1
- Authority
- DE
- Germany
- Prior art keywords
- degassing device
- thermoplastic molds
- molds
- thermoplastic
- degassing
- 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.)
- Granted
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
- B29B7/80—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
- 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
-
- 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
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/78—Processes of molding using vacuum
-
- 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
- Y10S425/06—Vacuum
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)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2922572A DE2922572C2 (de) | 1979-06-02 | 1979-06-02 | Entgasungsvorrichtung für thermoplastische Formmassen verarbeitende Schneckenpresse |
NL8002401A NL8002401A (nl) | 1979-06-02 | 1980-04-24 | Ontgassingsinrichting voor een thermoplastische substantie. |
GB8016607A GB2050930B (en) | 1979-06-02 | 1980-05-20 | Venting means for screw extruders |
US06/152,692 US4298322A (en) | 1979-06-02 | 1980-05-23 | Venting means for screw extruders |
FR8011810A FR2457764A1 (fr) | 1979-06-02 | 1980-05-28 | Dispositif de degazage pour extrudeuses |
JP7286480A JPS55161630A (en) | 1979-06-02 | 1980-06-02 | Degassing device for thermoplastic molding substance |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2922572A DE2922572C2 (de) | 1979-06-02 | 1979-06-02 | Entgasungsvorrichtung für thermoplastische Formmassen verarbeitende Schneckenpresse |
Publications (2)
Publication Number | Publication Date |
---|---|
DE2922572A1 true DE2922572A1 (de) | 1980-12-04 |
DE2922572C2 DE2922572C2 (de) | 1983-10-20 |
Family
ID=6072374
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2922572A Expired DE2922572C2 (de) | 1979-06-02 | 1979-06-02 | Entgasungsvorrichtung für thermoplastische Formmassen verarbeitende Schneckenpresse |
Country Status (6)
Country | Link |
---|---|
US (1) | US4298322A (de) |
JP (1) | JPS55161630A (de) |
DE (1) | DE2922572C2 (de) |
FR (1) | FR2457764A1 (de) |
GB (1) | GB2050930B (de) |
NL (1) | NL8002401A (de) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3242239A1 (de) * | 1982-11-15 | 1984-05-17 | Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover | Einrichtung zur fuellstandsueberwachung eines an einer vacuumquelle angeschlossenen entgasungsdomes fuer extruder |
US4767303A (en) * | 1986-02-12 | 1988-08-30 | Sumitomo Chemical Company, Ltd. | Extruding apparatus for extruding synthetic resin |
US4934433A (en) * | 1988-11-15 | 1990-06-19 | Polysar Financial Services S.A. | Devolatilization |
DE8901515U1 (de) * | 1989-02-10 | 1990-06-13 | Amboß + Langbein Elektro-Elektronik-Gerätebau KG, 5657 Haan | Saugfördereinrichtung |
DE4027261C1 (de) * | 1990-08-29 | 1991-12-12 | Continental Gummi-Werke Ag | |
US5123828A (en) * | 1991-04-24 | 1992-06-23 | Cincinnati Milacron Inc. | Extruder vent having recessed vent passageway opening |
US5350230A (en) * | 1993-09-29 | 1994-09-27 | O'sullivan Corporation | Door locking mechanism for batch mixers |
JP2668328B2 (ja) * | 1994-02-16 | 1997-10-27 | 日精樹脂工業株式会社 | 射出成形機のベント装置 |
DE19630383C1 (de) * | 1996-07-29 | 1997-09-18 | Christ Hubert Dr | Entgasungsvorrichtung an Extrudern |
US6188822B1 (en) | 1998-06-22 | 2001-02-13 | Siecor Operations, Llc | Self-supporting fiber optic cable and an apparatus and methods for making the same |
US6280667B1 (en) | 1999-04-19 | 2001-08-28 | Andersen Corporation | Process for making thermoplastic-biofiber composite materials and articles including a poly(vinylchloride) component |
US6356690B1 (en) | 1999-10-20 | 2002-03-12 | Corning Cable Systems Llc | Self-supporting fiber optic cable |
US6576174B1 (en) | 2000-01-27 | 2003-06-10 | Industrial Thermo Polymers Limited | Residual gas extraction process |
US20030214067A1 (en) * | 2001-04-30 | 2003-11-20 | Murdock David E | Twin screw extruders for processing wood fiber and process for same |
DE102005051959A1 (de) * | 2005-10-29 | 2007-05-03 | Cincinnati Extrusion Gmbh | Entgasungsextruder |
US8608367B2 (en) * | 2010-05-19 | 2013-12-17 | Xerox Corporation | Screw extruder for continuous and solvent-free resin emulsification |
CN107351358B (zh) * | 2017-08-31 | 2020-06-16 | 无锡锦和科技有限公司 | 一种真空螺杆挤出机 |
CN113681862A (zh) * | 2021-10-21 | 2021-11-23 | 佛山市金银河智能装备股份有限公司 | 一种螺杆挤出机 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB514444A (en) * | 1938-05-05 | 1939-11-08 | Tyne Metal Company Ltd | Improvements relating to machines for extruding clay and similar plastic substances |
DE1201041B (de) * | 1962-07-10 | 1965-09-16 | Kloeckner Humboldt Deutz Ag | Schneckenstrangpresse fuer plastische Massen, z. B. thermoplastische Kunststoffe |
DE2353960B2 (de) * | 1973-10-27 | 1976-12-30 | Bleistiftmaschinenfabrik Fr. Ehrhardt, 8500 Nürnberg | Verfahren zum strangpressen von schreibstiftminen, schreibkreiden o. dgl. und kolbenpresse zur durchfuehrung des verfahrens |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT146897B (de) * | 1934-11-12 | 1936-08-25 | Paukerwerk Akt Ges Vormals Ers | Einrichtung zum Entgasen von knetbaren Massen in Strangpressen. |
DE923833C (de) * | 1942-05-19 | 1955-02-21 | Richard Raupach | Strangpresse mit Entlueftungskammer fuer bildsame, insbesondere Tonmassen |
DE824921C (de) * | 1950-09-22 | 1951-12-13 | August C Heil | Schneckenpresse fuer Tonwaren |
US2959900A (en) * | 1956-10-12 | 1960-11-15 | S G Leoffler | Packaging finely divided materials |
DE1529811B2 (de) * | 1965-06-03 | 1972-06-08 | Barmag Barmer Maschinenfabrik Ag, 5600 Wuppertal | Schneckenstrangpresse fuer thermoplastische kunststoffe |
US3932115A (en) * | 1974-10-31 | 1976-01-13 | Bryce Maxwell | Vented hopper with improved feed system |
US4120050A (en) * | 1977-03-17 | 1978-10-10 | The French Oil Mill Machinery Company | Devolatilizing vent |
DE2758265C2 (de) * | 1977-12-27 | 1982-12-23 | Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover | Regeleinrichtung zur Überwachung des Füllstandes einer Entgasungsöffnung an einem Extruder für die Verarbeitung von Hochdruck-Polyäthylenschmelze |
AT407863B (de) * | 1997-09-02 | 2001-07-25 | Girak Garaventa Gmbh | Fahrwerk für schienenseilbahnen |
-
1979
- 1979-06-02 DE DE2922572A patent/DE2922572C2/de not_active Expired
-
1980
- 1980-04-24 NL NL8002401A patent/NL8002401A/nl unknown
- 1980-05-20 GB GB8016607A patent/GB2050930B/en not_active Expired
- 1980-05-23 US US06/152,692 patent/US4298322A/en not_active Expired - Lifetime
- 1980-05-28 FR FR8011810A patent/FR2457764A1/fr active Granted
- 1980-06-02 JP JP7286480A patent/JPS55161630A/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB514444A (en) * | 1938-05-05 | 1939-11-08 | Tyne Metal Company Ltd | Improvements relating to machines for extruding clay and similar plastic substances |
DE1201041B (de) * | 1962-07-10 | 1965-09-16 | Kloeckner Humboldt Deutz Ag | Schneckenstrangpresse fuer plastische Massen, z. B. thermoplastische Kunststoffe |
DE2353960B2 (de) * | 1973-10-27 | 1976-12-30 | Bleistiftmaschinenfabrik Fr. Ehrhardt, 8500 Nürnberg | Verfahren zum strangpressen von schreibstiftminen, schreibkreiden o. dgl. und kolbenpresse zur durchfuehrung des verfahrens |
Also Published As
Publication number | Publication date |
---|---|
DE2922572C2 (de) | 1983-10-20 |
FR2457764A1 (fr) | 1980-12-26 |
JPS55161630A (en) | 1980-12-16 |
GB2050930B (en) | 1983-02-16 |
GB2050930A (en) | 1981-01-14 |
US4298322A (en) | 1981-11-03 |
NL8002401A (nl) | 1980-12-04 |
FR2457764B1 (de) | 1984-03-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OAP | Request for examination filed | ||
OD | Request for examination | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |