ATE149009T1 - Verfahren und vorrichtung zum formen von schaumstoffgegenständen - Google Patents
Verfahren und vorrichtung zum formen von schaumstoffgegenständenInfo
- Publication number
- ATE149009T1 ATE149009T1 AT90313530T AT90313530T ATE149009T1 AT E149009 T1 ATE149009 T1 AT E149009T1 AT 90313530 T AT90313530 T AT 90313530T AT 90313530 T AT90313530 T AT 90313530T AT E149009 T1 ATE149009 T1 AT E149009T1
- Authority
- AT
- Austria
- Prior art keywords
- extruder
- foaming agent
- plastic
- passing
- thermoplastic
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/3442—Mixing, kneading or conveying the foamable material
- B29C44/3446—Feeding the blowing agent
- B29C44/3449—Feeding the blowing agent through the 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/3442—Mixing, kneading or conveying the foamable material
- B29C44/3446—Feeding the blowing agent
-
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/36—Feeding the material to be shaped
- B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
- B29C44/50—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying
-
- 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
- B29C48/2522—Shaft or screw supports, e.g. bearings
-
- 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
- B29C48/256—Exchangeable extruder parts
- B29C48/2564—Screw 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
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/29—Feeding the extrusion material to the extruder in liquid form
-
- 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
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/298—Feeding the extrusion material to the extruder in a location other than through a barrel, e.g. through a 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
- B29C48/505—Screws
- B29C48/565—Screws having projections other than the thread, 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
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
-
- 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
-
- 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
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/288—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules
- B29C48/2886—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules of fibrous, filamentary or filling materials, e.g. thin fibrous reinforcements or fillers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/0005—Condition, form or state of moulded material or of the material to be shaped containing compounding ingredients
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
- B29K2105/16—Fillers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
- Molding Of Porous Articles (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002015639A CA2015639C (en) | 1990-04-27 | 1990-04-27 | Process and apparatus for molding foamed plastic article |
US07/950,778 US5297948A (en) | 1990-04-27 | 1992-09-24 | Extruder screw for use in foam plastic extruder |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE149009T1 true ATE149009T1 (de) | 1997-03-15 |
Family
ID=25674107
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT90313530T ATE149009T1 (de) | 1990-04-27 | 1990-12-12 | Verfahren und vorrichtung zum formen von schaumstoffgegenständen |
Country Status (7)
Country | Link |
---|---|
US (1) | US5297948A (de) |
EP (1) | EP0453687B1 (de) |
JP (1) | JPH0796253B2 (de) |
AT (1) | ATE149009T1 (de) |
CA (1) | CA2015639C (de) |
DE (1) | DE69029966T2 (de) |
ES (1) | ES2101693T3 (de) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5728406A (en) * | 1989-07-11 | 1998-03-17 | Amesbury Group, Inc. | Apparatus for extruding a low density thermoplastic foam |
US5957576A (en) * | 1995-06-30 | 1999-09-28 | Sumitomo Bakelite Company Limited | Screw for in-line screw type thermosetting resin injection molding machine |
WO1997006935A1 (en) * | 1995-08-14 | 1997-02-27 | Massachusetts Institute Of Technology | Gear throttle as a nucleation device in a continuous microcellular extrusion system |
US5573331A (en) * | 1995-09-08 | 1996-11-12 | Lin; Ping H. | Multiple-stage screw for blending materials |
EP0923443B1 (de) * | 1996-08-27 | 2002-11-27 | Trexel Inc. | Verfahren und vorrichtung zum extrudieren von polymerschaum, insbesondere mikrozellenschaum |
US6884823B1 (en) | 1997-01-16 | 2005-04-26 | Trexel, Inc. | Injection molding of polymeric material |
AU742749B2 (en) * | 1997-01-16 | 2002-01-10 | Trexel, Inc. | Injection molding of microcellular material |
DE19934693C2 (de) * | 1999-07-23 | 2002-03-07 | Fraunhofer Ges Forschung | Verfahren und Vorrichtung zur Herstellung von Polymerschäumen |
JP3590559B2 (ja) * | 2000-03-14 | 2004-11-17 | 積水化学工業株式会社 | 熱可塑性樹脂成形品の射出成形装置 |
WO2002026484A1 (en) | 2000-09-29 | 2002-04-04 | Trexel, Inc. | In-mold decorated articles and methods |
EP1256430A1 (de) * | 2001-05-11 | 2002-11-13 | Vereinigung Zur Förderung Des Instituts Für Kunststoffverarbeitung In Industrie Und Handwerk | Spritzgiessmaschine und Spritzgiessverfahren zur Herstellung geschäumter Formteile |
DE10224296A1 (de) * | 2002-05-31 | 2003-12-11 | Behr Gmbh & Co | Verfahren zur Herstellung eines Wärmetauscherkastens |
DE10249314B3 (de) * | 2002-10-22 | 2004-04-15 | Peguform Gmbh & Co. Kg I.Ins. | Vorrichtung und Verfahren zur Herstellung physikalisch getriebener Strukturschäume im Spritzgießprozess unter Verwendung dynamischer Mischelemente |
ES2279704B1 (es) * | 2005-10-27 | 2008-06-01 | Universidade Da Coruña | Sistema para procesar espumas polimericas termoplasticas, utilizando dioxido de carbono (co2) como agente espumante. |
WO2008049561A1 (de) * | 2006-10-24 | 2008-05-02 | Gneuss Kunststofftechnik Gmbh | Verfahren zur beeinflussung der schmelzeigenschaften |
US8057248B1 (en) | 2008-04-17 | 2011-11-15 | Sherman Neil S | Connector for mounting to a circuit board |
US7878834B2 (en) * | 2008-04-17 | 2011-02-01 | Neil Sherman | Connector for mating a contact pin with a device |
ITBO20100601A1 (it) * | 2010-10-11 | 2012-04-12 | Sistemi Plastici Emiliani S R L | Dispositivo per l'alimentazione di agente espandente per una macchina per la lavorazione di materiale polimerico, e macchina per la lavorazione di materiale polimerico |
FR2976209B1 (fr) * | 2011-06-09 | 2013-05-31 | Technip France | Installation d'extrusion de gaine tubulaire |
CN107428104B (zh) * | 2014-12-30 | 2019-05-10 | 奥特克莱夫高压高温有限公司 | 用于材料变形加工的装置 |
IT201700090447A1 (it) * | 2017-08-04 | 2019-02-04 | Maria Giuseppe De | Impianto e metodo per la produzione di manufatti con gomma riciclata. |
CN113858584B (zh) * | 2021-09-08 | 2024-03-29 | 安徽振风之家新型材料有限公司 | 一种废弃pvc发泡挤出螺杆的改造方法及螺杆 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2622469A (en) * | 1951-05-04 | 1952-12-23 | Western Electric Co | Method of and apparatus for controlling the temperature of plastic material |
US2754542A (en) * | 1952-05-28 | 1956-07-17 | Western Electric Co | Apparatus for simultaneously advancing and milling plastic compounds |
US3121914A (en) * | 1961-04-10 | 1964-02-25 | Us Rubber Co | Mixer-extruder method and apparatus |
US3110060A (en) * | 1962-11-01 | 1963-11-12 | Eastman Kodak Co | Extrusion-extraction apparatus |
US3371379A (en) * | 1965-01-02 | 1968-03-05 | Reifenhauser K G | Apparatus for degassing thermoplastic material in screw presses |
US3689182A (en) * | 1970-03-27 | 1972-09-05 | Midland Ross Corp | Extruder providing radial and axial melt removal |
DE2031935A1 (de) * | 1970-06-27 | 1972-01-05 | Barmag Barmer Maschf | Entgasungs-Schneckenstrangpresse mit einem Druck- und Mengenregelventil für die Kunststoffschmelze |
DE2034310A1 (de) * | 1970-07-10 | 1972-01-13 | Desma Werke Gmbh | Verfahren zur Erzeugung eines spritz fähigen, aufschaumbaren Werkstoffes zur Her stellung von geschäumten Gegenstanden sowie Schnecken Spritzgießmaschine zur Durchfuh rung des Verfahrens |
DE2053646B2 (de) * | 1970-10-31 | 1975-07-10 | Krauss-Maffei Ag, 8000 Muenchen | Maschine zur Verarbeitung Zellen bildender Kunststoffe |
JPS5249504B2 (de) * | 1973-01-17 | 1977-12-17 | ||
US3986709A (en) * | 1973-07-19 | 1976-10-19 | Shell Oil Company | Direct gassing extruder with gas pockets |
DE2340499C2 (de) * | 1973-08-10 | 1980-02-14 | Barmag Barmer Maschinenfabrik Ag, 5600 Wuppertal | kenstrangpresse |
JPS5111659A (de) * | 1974-07-19 | 1976-01-29 | Kobayashi Shigeru | |
DE2526917C2 (de) * | 1975-06-16 | 1979-06-28 | Henkel Kgaa, 4000 Duesseldorf | Vorrichtung zur Herstellung zweifarbig gestreifter Seifenstücke |
DE3139024A1 (de) * | 1980-10-03 | 1982-05-13 | Barmag Barmer Maschinenfabrik Ag, 5630 Remscheid | "extruderschnecke fuer schneckenstrangpressen oder spritzgussmaschinen" |
US4558954A (en) * | 1984-12-12 | 1985-12-17 | Barr Robert A | Extruder screw and positive displacement wave pump assembly |
JPS61255828A (ja) * | 1985-05-10 | 1986-11-13 | Sekisui Plastics Co Ltd | 合成樹脂押出機 |
IT1205213B (it) * | 1987-06-30 | 1989-03-15 | Pirelli Cavi Spa | Estrusore per materiali polimerici |
DE3806020A1 (de) * | 1988-02-26 | 1989-09-07 | Rheydt Kabelwerk Ag | Extruder |
ES2011346A6 (es) * | 1988-05-12 | 1990-01-01 | Pena Roca Juan | Cierre perfeccionado para husillos de piston en las maquinas de inyeccion de plastico. |
US4877568A (en) * | 1988-05-18 | 1989-10-31 | Austin Robert C | Preparation of plastic extrudate containing an additive |
-
1990
- 1990-04-27 CA CA002015639A patent/CA2015639C/en not_active Expired - Fee Related
- 1990-12-12 ES ES90313530T patent/ES2101693T3/es not_active Expired - Lifetime
- 1990-12-12 DE DE69029966T patent/DE69029966T2/de not_active Expired - Fee Related
- 1990-12-12 EP EP90313530A patent/EP0453687B1/de not_active Expired - Lifetime
- 1990-12-12 AT AT90313530T patent/ATE149009T1/de not_active IP Right Cessation
-
1991
- 1991-04-24 JP JP3092494A patent/JPH0796253B2/ja not_active Expired - Fee Related
-
1992
- 1992-09-24 US US07/950,778 patent/US5297948A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA2015639A1 (en) | 1993-08-10 |
CA2015639C (en) | 1993-08-10 |
EP0453687B1 (de) | 1997-02-19 |
JPH04229235A (ja) | 1992-08-18 |
EP0453687A1 (de) | 1991-10-30 |
DE69029966D1 (de) | 1997-03-27 |
DE69029966T2 (de) | 1997-09-11 |
ES2101693T3 (es) | 1997-07-16 |
US5297948A (en) | 1994-03-29 |
JPH0796253B2 (ja) | 1995-10-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |