CH612375A5 - - Google Patents
Info
- Publication number
- CH612375A5 CH612375A5 CH394277A CH394277A CH612375A5 CH 612375 A5 CH612375 A5 CH 612375A5 CH 394277 A CH394277 A CH 394277A CH 394277 A CH394277 A CH 394277A CH 612375 A5 CH612375 A5 CH 612375A5
- Authority
- CH
- Switzerland
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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/875—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling for achieving a non-uniform temperature distribution, e.g. using barrels having both cooling and heating zones
-
- 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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
- B29C48/84—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders by heating or cooling the feeding screws
- B29C48/85—Cooling
-
- 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
- B29C48/505—Screws
- B29C48/51—Screws with internal flow passages, e.g. for molten material
- B29C48/515—Screws with internal flow passages, e.g. for molten material for auxiliary fluids, e.g. foaming agents
-
- 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
- B29C48/56—Screws having grooves or cavities other than the thread or the channel
-
- 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
- B29C48/64—Screws with two or more threads
-
- 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
- B29C48/686—Barrels or cylinders characterised by their inner surfaces, e.g. having grooves, projections or threads having grooves or cavities
-
- 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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
- B29C48/84—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders by heating or cooling the feeding 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
- B29C48/03—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)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH394277A CH612375A5 (de) | 1977-03-29 | 1977-03-29 | |
US05/888,362 US4154535A (en) | 1977-03-29 | 1978-03-20 | Screw-type plastics extruder |
FR7808182A FR2385517A1 (fr) | 1977-03-29 | 1978-03-21 | Extrudeuse a vis pour matiere plastique |
IT21532/78A IT1093604B (it) | 1977-03-29 | 1978-03-23 | Estrusore a vite per materie plastiche |
SE7803477A SE7803477L (sv) | 1977-03-29 | 1978-03-28 | Skruvstrengpress for plast |
DE2813585A DE2813585C2 (de) | 1977-03-29 | 1978-03-29 | Schneckenextruder zum Verarbeiten von Kunststoff in Granulat- oder Pulverform |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH394277A CH612375A5 (de) | 1977-03-29 | 1977-03-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH612375A5 true CH612375A5 (de) | 1979-07-31 |
Family
ID=4266795
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH394277A CH612375A5 (de) | 1977-03-29 | 1977-03-29 |
Country Status (6)
Country | Link |
---|---|
US (1) | US4154535A (de) |
CH (1) | CH612375A5 (de) |
DE (1) | DE2813585C2 (de) |
FR (1) | FR2385517A1 (de) |
IT (1) | IT1093604B (de) |
SE (1) | SE7803477L (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4491418A (en) * | 1981-11-17 | 1985-01-01 | Maillefer S.A. | Plastics extruder |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0069271A3 (de) * | 1981-06-22 | 1985-11-27 | Gloucester Engineering Co., Inc. | Extruder für Kunststoff |
CH649738A5 (fr) * | 1982-12-21 | 1985-06-14 | Maillefer Sa | Extrudeuse a vis pour matieres plastiques. |
DE3629995C1 (de) * | 1986-09-03 | 1988-02-18 | Reifenhaeuser Masch | Anlage fuer das Strangpressen von thermoplastischem Kunststoff |
DE4014408C1 (en) * | 1990-05-04 | 1992-01-30 | Buss Ag, Basel, Ch | Heating materials during work process in closed work area - involves rotating work member, feeding gaseous heat carrier into handling zone and then removing gas |
US5096302A (en) * | 1991-04-24 | 1992-03-17 | Spirex Corporation | Plastic feeding device and method |
US5200205A (en) * | 1991-04-24 | 1993-04-06 | Cincinnati Milacron Inc. | Extruder barrel temperature regulation apparatus |
US5259671A (en) * | 1991-06-07 | 1993-11-09 | Farrel Corporation | Greased journal bearing assemblies with thermal isolation and cooling in continuous mixers of plastic materials |
US5273356A (en) * | 1991-06-07 | 1993-12-28 | Farrel Corporation | Rotor zone cooling method and apparatus for rotors in continuous mixers of plastic materials |
US5180225A (en) * | 1991-06-07 | 1993-01-19 | Farrel Corporation | Rotor zone cooling apparatus for rotors in continuous mixers of plastic materials |
US6609819B2 (en) * | 2001-07-24 | 2003-08-26 | Wenger Mfg | Twin screw extruder with conical non-parallel converging screws |
DE10252976A1 (de) | 2002-11-14 | 2004-05-27 | Nexans | Verfahren zur Extrusion eines Gemisches |
DE102004034039B4 (de) * | 2004-07-13 | 2008-04-17 | Technamation Technical Europe Gmbh | Extrusionsverfahren und Extruder für zellulosehaltiges Material |
US10684603B2 (en) * | 2015-01-13 | 2020-06-16 | Bucknell University | Dynamically controlled screw-driven extrusion |
EP3874971A4 (de) * | 2018-12-14 | 2022-06-22 | China Tobacco Hunan Industrial Co., Ltd. | Formvorrichtung und zigarettenfilterstange und herstellungsverfahren dafür |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2449355A (en) * | 1947-07-28 | 1948-09-14 | Dow Chemical Co | Internal two-zone heat control for plastics extruders |
USRE23880E (en) * | 1950-03-07 | 1954-09-28 | Extruder | |
US2753595A (en) * | 1953-07-24 | 1956-07-10 | Dow Chemical Co | Plastics mixing and extrusion machines |
US2765491A (en) * | 1953-05-04 | 1956-10-09 | Nat Rubber Machinery Co | Extrusion apparatus |
US2829399A (en) * | 1954-02-04 | 1958-04-08 | Du Pont | Extrusion apparatus |
US3271819A (en) * | 1962-02-26 | 1966-09-13 | Nrm Corp | Extruder |
US3305893A (en) * | 1964-07-09 | 1967-02-28 | James F Machen | Extruder |
DE1454865B2 (de) * | 1965-02-13 | 1972-11-02 | Ruhrchemie Ag, 4200 Oberhausen-Holten | Verfahren zum plastifizieren von hochmolekularem polyaethylen bzw. polypropylen in einer einwelligen schneckenpresse |
US3331100A (en) * | 1966-01-06 | 1967-07-18 | Dow Chemical Co | Extrusion apparatus |
BE699563A (de) * | 1966-01-06 | 1967-12-06 | ||
US3645659A (en) * | 1969-03-13 | 1972-02-29 | Gloucester Eng Co Inc | Extruding plastic |
DE2311717C3 (de) * | 1973-03-09 | 1979-10-04 | Thyssen Plastik Anger Kg, 8000 Muenchen | Vorrichtung zur Temperierung einer Extruderschnecke |
JPS5072764U (de) * | 1973-11-13 | 1975-06-26 | ||
NL7400221A (nl) * | 1974-01-08 | 1975-07-10 | Trouw & Co Nv | Werkwijze en inrichting voor de vervaardiging en geexpandeerd droogvoer of voedingsmiddel iwitrijke grondstoffen en eventueel zetmeel- grondstoffen. |
-
1977
- 1977-03-29 CH CH394277A patent/CH612375A5/xx not_active IP Right Cessation
-
1978
- 1978-03-20 US US05/888,362 patent/US4154535A/en not_active Expired - Lifetime
- 1978-03-21 FR FR7808182A patent/FR2385517A1/fr active Granted
- 1978-03-23 IT IT21532/78A patent/IT1093604B/it active
- 1978-03-28 SE SE7803477A patent/SE7803477L/xx unknown
- 1978-03-29 DE DE2813585A patent/DE2813585C2/de not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4491418A (en) * | 1981-11-17 | 1985-01-01 | Maillefer S.A. | Plastics extruder |
Also Published As
Publication number | Publication date |
---|---|
IT1093604B (it) | 1985-07-19 |
FR2385517A1 (fr) | 1978-10-27 |
IT7821532A0 (it) | 1978-03-23 |
DE2813585A1 (de) | 1978-10-05 |
SE7803477L (sv) | 1978-09-30 |
US4154535A (en) | 1979-05-15 |
FR2385517B1 (de) | 1981-02-20 |
DE2813585C2 (de) | 1983-09-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |