AT368068B - Blasextruder - Google Patents
BlasextruderInfo
- Publication number
- AT368068B AT368068B AT0366376A AT366376A AT368068B AT 368068 B AT368068 B AT 368068B AT 0366376 A AT0366376 A AT 0366376A AT 366376 A AT366376 A AT 366376A AT 368068 B AT368068 B AT 368068B
- Authority
- AT
- Austria
- Prior art keywords
- blow extruder
- extruder
- blow
- 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
- B29C48/78—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
- B29C48/03—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
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
-
- 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
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
- B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
-
- 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
- B29C48/30—Extrusion nozzles or dies
- B29C48/3001—Extrusion nozzles or dies characterised by the material or their manufacturing process
- B29C48/3003—Materials, coating or lining therefor
-
- 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
- B29C48/30—Extrusion nozzles or dies
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
-
- 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
- B29C48/30—Extrusion nozzles or dies
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
- B29C48/33—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles with parts rotatable relative to each other
-
- 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
- B29C48/42—Non-identical or non-mirrored 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
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/507—Screws characterised by the material or their manufacturing process
- B29C48/509—Materials, coating or lining therefor
-
- 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
- B29C48/52—Screws with an outer diameter varying along the longitudinal axis, e.g. for obtaining different thread clearance
-
- 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
- B29C48/535—Screws with thread pitch varying along the longitudinal axis
-
- 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
- B29C48/25—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
- B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
- B29C48/865—Heating
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2522357A DE2522357C3 (de) | 1975-05-21 | 1975-05-21 | Blasextruder |
Publications (2)
Publication Number | Publication Date |
---|---|
ATA366376A ATA366376A (de) | 1982-01-15 |
AT368068B true AT368068B (de) | 1982-09-10 |
Family
ID=5947001
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT0366376A AT368068B (de) | 1975-05-21 | 1976-05-19 | Blasextruder |
Country Status (13)
Country | Link |
---|---|
US (1) | US4021170A (de) |
JP (1) | JPS5935330B2 (de) |
AT (1) | AT368068B (de) |
BR (1) | BR7603214A (de) |
CA (1) | CA1079464A (de) |
CH (1) | CH612122A5 (de) |
DE (1) | DE2522357C3 (de) |
ES (1) | ES447981A1 (de) |
FR (1) | FR2311647A1 (de) |
GB (1) | GB1542936A (de) |
IT (1) | IT1061375B (de) |
NL (1) | NL7605404A (de) |
PT (1) | PT65116B (de) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4097213A (en) * | 1977-02-28 | 1978-06-27 | Dorsey-Mccomb Distributors, Inc. | Mechanism for adjusting an extrusion die in cereal grain extruder apparatus |
US4348349A (en) * | 1980-10-01 | 1982-09-07 | Union Carbide Corporation | Method for reducing melt fracture during extrusion of a molten narrow molecular weight distribution, linear, ethylene copolymer |
US4360494A (en) * | 1981-04-01 | 1982-11-23 | Union Carbide Corporation | Process for reducing melt fracture during extrusion of a molten narrow molecular weight distribution, linear, ethylene copolymer |
JPS60245898A (ja) * | 1984-05-22 | 1985-12-05 | Mitsui Petrochem Ind Ltd | 超高分子量ポリエチレン製フレキシブルチユ−ブ、溶融流動性の悪い熱可塑性樹脂製チユ−ブの製造方法及びその製造装置 |
US4798696A (en) * | 1987-05-08 | 1989-01-17 | A/S Sonnichsen Rorvalseverket | Method for extrusion of plastic tubes, and an apparatus for carrying out said method |
US4859398A (en) * | 1987-07-02 | 1989-08-22 | Mobil Oil Corporation | High shear extrusion of linear low density polyethylene |
JPH01182241A (ja) * | 1988-01-11 | 1989-07-20 | Kotobukiya:Goushi | 突き合わせ部を斜面とした箱とその製造方法 |
EP0835177B1 (de) * | 1995-06-26 | 2001-12-12 | Nextrom Holding S.A. | Extrusionsvorrichtung und verfahren zum orientieren von kunststoffmaterial durch verwendung einer extrusiionsvorrichtung |
JP3670088B2 (ja) * | 1995-11-01 | 2005-07-13 | 三井化学株式会社 | インフレーションフィルムの製造方法、装置および成形体 |
US5658526A (en) * | 1995-11-01 | 1997-08-19 | Shell Oil Company | Method to prepare blown films of vinyl aromatic/conjugated diolefin block copolymer |
WO1999007538A1 (en) * | 1997-08-07 | 1999-02-18 | E.I. Du Pont De Nemours And Company | Paste extrusion method |
DE102004043733A1 (de) * | 2004-09-10 | 2006-03-16 | Ina-Schaeffler Kg | Gehäuse eines Spannsystems mit integrierter Spritzdüse |
JP4970965B2 (ja) * | 2007-01-22 | 2012-07-11 | バンドー化学株式会社 | 短繊維配向ゴム又は合成樹脂の製造法及び押出成形用拡張ダイ |
JP5546876B2 (ja) | 2009-01-16 | 2014-07-09 | 株式会社東芝 | 蒸気タービン |
US8197243B2 (en) * | 2009-07-28 | 2012-06-12 | American Extrusion International | Head assembly for use in a rotary head extruder for extruding a food product |
NL2009351C2 (nl) * | 2012-08-23 | 2014-02-25 | Adex B V | Doornelement voor een extrusieinrichting, en werkwijze voor het vervaardigen daarvan. |
EP3655219A4 (de) * | 2017-07-17 | 2021-06-30 | Oceaneering International, Inc. | Heissschmelzvorrichtung und verwendungsverfahren |
US11845220B2 (en) * | 2019-01-29 | 2023-12-19 | Zhenru MU | Adjustable slit-type extrusion head, and additive manufacturing system device having same |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3944641A (en) * | 1961-10-02 | 1976-03-16 | Lemelson Jerome H | Process of forming an irregular surface on the inside of a tube or pipe |
US3560600A (en) * | 1963-11-07 | 1971-02-02 | Dow Chemical Co | Surface treatment on extruded plastic foam |
US3410933A (en) * | 1965-01-27 | 1968-11-12 | Du Pont | Process and apparatus for the production of uniformly pleated foam sheet material |
US3327038A (en) * | 1965-06-24 | 1967-06-20 | Koppers Co Inc | Extrusion die |
US3331103A (en) * | 1965-10-21 | 1967-07-18 | Koppers Co Inc | Extrusion die for foamable thermoplastic compositions |
US3879158A (en) * | 1973-01-09 | 1975-04-22 | Enrique Schele | Apparatus for extruding thermoplastic annular shapes |
DE2320687A1 (de) * | 1973-04-24 | 1974-11-14 | Windmoeller & Hoelscher | Folienblaskopf fuer die herstellung von schlauchfolien |
-
1975
- 1975-05-21 DE DE2522357A patent/DE2522357C3/de not_active Expired
-
1976
- 1976-05-14 ES ES447981A patent/ES447981A1/es not_active Expired
- 1976-05-17 US US05/686,927 patent/US4021170A/en not_active Expired - Lifetime
- 1976-05-18 CH CH621176A patent/CH612122A5/xx not_active IP Right Cessation
- 1976-05-19 GB GB20652/76A patent/GB1542936A/en not_active Expired
- 1976-05-19 IT IT23397/76A patent/IT1061375B/it active
- 1976-05-19 AT AT0366376A patent/AT368068B/de not_active IP Right Cessation
- 1976-05-20 BR BR7603214A patent/BR7603214A/pt unknown
- 1976-05-20 PT PT65116A patent/PT65116B/de unknown
- 1976-05-20 CA CA252,918A patent/CA1079464A/en not_active Expired
- 1976-05-20 JP JP51057352A patent/JPS5935330B2/ja not_active Expired
- 1976-05-20 NL NL7605404A patent/NL7605404A/xx not_active Application Discontinuation
- 1976-05-21 FR FR7615368A patent/FR2311647A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
CH612122A5 (de) | 1979-07-13 |
CA1079464A (en) | 1980-06-17 |
GB1542936A (en) | 1979-03-28 |
JPS5935330B2 (ja) | 1984-08-28 |
DE2522357A1 (de) | 1976-12-02 |
ATA366376A (de) | 1982-01-15 |
JPS51143067A (en) | 1976-12-09 |
PT65116A (de) | 1976-06-01 |
FR2311647B1 (de) | 1979-06-22 |
DE2522357B2 (de) | 1978-11-09 |
PT65116B (de) | 1978-02-06 |
IT1061375B (it) | 1983-02-28 |
BR7603214A (pt) | 1977-02-01 |
NL7605404A (nl) | 1976-11-23 |
DE2522357C3 (de) | 1980-04-24 |
ES447981A1 (es) | 1977-06-16 |
US4021170A (en) | 1977-05-03 |
FR2311647A1 (fr) | 1976-12-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee | ||
ELJ | Ceased due to non-payment of the annual fee |