JPH0550372B2 - - Google Patents
Info
- Publication number
- JPH0550372B2 JPH0550372B2 JP61114994A JP11499486A JPH0550372B2 JP H0550372 B2 JPH0550372 B2 JP H0550372B2 JP 61114994 A JP61114994 A JP 61114994A JP 11499486 A JP11499486 A JP 11499486A JP H0550372 B2 JPH0550372 B2 JP H0550372B2
- Authority
- JP
- Japan
- Prior art keywords
- plastic
- temperature
- heat treatment
- hose
- sectors
- 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.)
- Expired - Lifetime
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
- B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
- B29C48/87—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
- 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
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
- B29C48/325—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles being adjustable, i.e. having adjustable exit sections
 
- 
        - 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
 
- 
        - 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
- B29C48/92—Measuring, controlling or regulating
 
- 
        - 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92609—Dimensions
- B29C2948/92647—Thickness
 
- 
        - 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
 
- 
        - 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92904—Die; Nozzle zone
 
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)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| DE3518155.9 | 1985-05-21 | ||
| DE19853518155 DE3518155A1 (de) | 1985-05-21 | 1985-05-21 | Verfahren zur herstellung einer kunststoffolie mit geringer dickentoleranz | 
Publications (2)
| Publication Number | Publication Date | 
|---|---|
| JPS62189134A JPS62189134A (ja) | 1987-08-18 | 
| JPH0550372B2 true JPH0550372B2 (OSRAM) | 1993-07-28 | 
Family
ID=6271206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| JP61114994A Granted JPS62189134A (ja) | 1985-05-21 | 1986-05-21 | 厚さ公差の小さいプラスチツクフイルムの製造方法 | 
Country Status (6)
| Country | Link | 
|---|---|
| US (1) | US4711747A (OSRAM) | 
| EP (1) | EP0203479B1 (OSRAM) | 
| JP (1) | JPS62189134A (OSRAM) | 
| DE (1) | DE3518155A1 (OSRAM) | 
| FI (1) | FI81300C (OSRAM) | 
| NO (1) | NO173596C (OSRAM) | 
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| US4882104A (en) * | 1987-04-03 | 1989-11-21 | Cincinnati Milacron, Inc. | Method of controlling the thickness of an extruded plastic article | 
| DE3802146C1 (OSRAM) * | 1988-01-26 | 1989-02-23 | Battenfeld Extrusionstechnik Gmbh, 4970 Bad Oeynhausen, De | |
| AU610366B2 (en) * | 1988-03-31 | 1991-05-16 | Idemitsu Petrochemical Co., Ltd. | Method of and apparatus for manufacturing biaxially oriented film | 
| DE4033974A1 (de) * | 1990-10-25 | 1992-04-30 | Ibos Qualitaetssicherung | Verfahren zur herstellung von flaechen- und im querschnitt ringfoermigen extrudaten sowie vorrichtung zur durchfuehrung des verfahrens | 
| US5288441A (en) * | 1992-12-24 | 1994-02-22 | Collins Steven L | System and method for extruder frost line detection | 
| US5468134A (en) * | 1993-12-01 | 1995-11-21 | Cree; Robert E. | Cooling and thickness control for extruded products | 
| DE19541296C2 (de) * | 1995-11-06 | 1999-07-01 | Windmoeller & Hoelscher | Vorrichtung zur Erwärmung der Foliensektoren eines aus einem Folienblaskopf extrudierten Folienschlauches | 
| GB2315450B (en) * | 1996-07-20 | 2000-10-11 | Mckechnie Plastics Ltd | Improved method and apparatus for shaping thermoplastic tubes | 
| US6122935A (en) * | 1998-07-08 | 2000-09-26 | Lucent Technologies Inc. | High rate MCVD method of making an optical fiber preform | 
| CA2313307C (en) | 2000-06-30 | 2007-09-25 | William J. Slyne | Differential velocity extrusion | 
| US20040121132A1 (en) * | 2000-07-03 | 2004-06-24 | Slyne William J. | Differential velocity extrusion | 
| DE202013012784U1 (de) † | 2013-07-19 | 2019-08-02 | Windmöller & Hölscher Kg | Vorrichtung zur Herstellung von inline gereckten Folien | 
| EP4042099A1 (en) | 2019-10-10 | 2022-08-17 | 3M Innovative Properties Company | Methods and systems for blown film thickness measurement | 
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| DE2012207B2 (de) * | 1970-03-14 | 1972-12-28 | Pohlman, Reimar, Dr.phil., 5100 Aachen; Menges, Georg, Dr.-Ing., 5105 Laurensberg | Verfahren und vorrichtung zum steuern und/oder regeln viskositaetsabhaengiger verfahrensvorgaenge | 
| NO137266C (no) * | 1971-08-11 | 1978-02-01 | Basf Ag | Ringdyse for ekstrudere. | 
| US3795719A (en) * | 1971-09-09 | 1974-03-05 | Baychem Corp | Method of controlling the blow molding of hollow shaped plastic articles | 
| US3920365A (en) * | 1972-08-15 | 1975-11-18 | Du Pont | Apparatus for making polymeric film | 
| GB1448669A (en) * | 1972-09-08 | 1976-09-08 | Bakelite Xylonite Ltd | Profile determining and/or controlling system | 
| NL7701816A (en) * | 1977-02-21 | 1978-08-23 | Wavin Bv | Extrusion of plastic pipe - using temp. variation of extruded pipe to automatically control wall thickness | 
| DE2721609C2 (de) * | 1977-05-13 | 1986-07-10 | Reifenhäuser KG, 5210 Troisdorf | Regeleinrichtung für eine Anlage zur Herstellung von Kunststoffblasfolien | 
| US4209476A (en) * | 1977-05-27 | 1980-06-24 | Harrel, Incorporated | Method and apparatus for fabrication of extruded articles | 
| JPS5434371A (en) * | 1977-08-22 | 1979-03-13 | Sumitomo Metal Ind Ltd | Automatic control of extruded plastic film thickness | 
| DE2919472C2 (de) * | 1979-05-15 | 1986-01-16 | Erhardt & Leimer Kg, 8900 Augsburg | Vorrichtung zum kontinuierlichen Extrudieren von Schlauchfolien mit Bahnbreitenregelung | 
| DE2947293C2 (de) * | 1979-11-23 | 1983-09-15 | Windmöller & Hölscher, 4540 Lengerich | Verfahren zur Regelung der Foliendicke an einer Blasfolien-Extruderanlage | 
| DD147521A1 (de) * | 1979-11-28 | 1981-04-08 | Joachim Breier | Verfahren zur steuerung von extrusionsanlagen,vorzugsweise fuer blasfolienanlagen | 
| DE2950003C2 (de) * | 1979-12-12 | 1983-08-11 | Windmöller & Hölscher, 4540 Lengerich | Verfahren zur Regelung der Foliendicke an einer Blasfolien-Extruderanlage | 
| DE3002903C2 (de) * | 1980-01-28 | 1986-12-04 | Windmöller & Hölscher, 4540 Lengerich | Verfahren zur Regelung der Foliendicke an einer Blasfolienextruderanlage | 
| DE3014989C2 (de) * | 1980-04-18 | 1991-01-24 | Windmöller & Hölscher, 4540 Lengerich | Verfahren zur Steuerung der Foliendicke an einer Blasfolienextruderanlage | 
| DD200078A1 (de) * | 1981-07-09 | 1983-03-16 | Joachim Breier | Vorrichtung zur steuerung von extrusionsanlagen | 
| DE3211833C2 (de) * | 1982-03-31 | 1985-09-26 | Reifenhäuser GmbH & Co Maschinenfabrik, 5210 Troisdorf | Blaskopf für die Herstellung einer Kunststoffblasfolie durch Flachlegen eines Blasfolienschlauches | 
- 
        1985
        - 1985-05-21 DE DE19853518155 patent/DE3518155A1/de active Granted
 
- 
        1986
        - 1986-05-16 EP EP86106684A patent/EP0203479B1/de not_active Expired
- 1986-05-20 US US06/865,170 patent/US4711747A/en not_active Expired - Lifetime
- 1986-05-20 NO NO861985A patent/NO173596C/no unknown
- 1986-05-21 JP JP61114994A patent/JPS62189134A/ja active Granted
- 1986-05-21 FI FI862133A patent/FI81300C/fi not_active IP Right Cessation
 
Also Published As
| Publication number | Publication date | 
|---|---|
| EP0203479A3 (en) | 1987-01-21 | 
| US4711747A (en) | 1987-12-08 | 
| FI81300C (fi) | 1990-10-10 | 
| NO173596C (no) | 1994-01-05 | 
| EP0203479A2 (de) | 1986-12-03 | 
| DE3518155C2 (OSRAM) | 1987-11-12 | 
| NO861985L (no) | 1986-11-24 | 
| FI862133A7 (fi) | 1986-11-22 | 
| EP0203479B1 (de) | 1989-07-26 | 
| DE3518155A1 (de) | 1986-11-27 | 
| FI81300B (fi) | 1990-06-29 | 
| FI862133A0 (fi) | 1986-05-21 | 
| NO173596B (no) | 1993-09-27 | 
| JPS62189134A (ja) | 1987-08-18 | 
Similar Documents
| Publication | Publication Date | Title | 
|---|---|---|
| JPH0550372B2 (OSRAM) | ||
| EP0508167B1 (en) | Air ring and method for controlling blown film thickness | |
| JPH0141487B2 (OSRAM) | ||
| US5676893A (en) | Cooling and thickness control for extruded products | |
| US4793788A (en) | Apparatus of extruding a plastic pipe under control of the wall thickness of the extruded plastic pipe | |
| EP0390696B1 (en) | Apparatus for controlling thickness of film formed by melt extrusion | |
| SU1187707A3 (ru) | Способ регулировани толщины пленки в установке дл получени пленки методом выдувани с экструдером | |
| US6482339B1 (en) | Process for stable widthwise regulation of bulb angle in extrusion of sheets of heat-sensitive plastics through a calender opening formed by intake rollers | |
| JPS6317024A (ja) | 熱可塑性樹脂フイルム類の製造方法 | |
| JPS6311131B2 (OSRAM) | ||
| JP2003531741A (ja) | 二軸延伸でプラスチックチューブを連続的に製造する方法および製造ラインと、得られたプラスチックチューブ | |
| KR960012828B1 (ko) | 연신방법 | |
| JP3465361B2 (ja) | 押出成形方法 | |
| JP2802790B2 (ja) | 合成樹脂製フイルムの製造における偏肉厚発生防止方法及びその装置 | |
| JP3718903B2 (ja) | 口金のスリット間隙調整装置、樹脂フイルムの厚み制御方法および樹脂フイルムの製造方法 | |
| JP3514037B2 (ja) | パイプの押出成形の制御方法 | |
| JPH06190893A (ja) | 押出し機のノズル調節用制御装置 | |
| JP2002086539A (ja) | シートの製造方法 | |
| JPH0653126U (ja) | 複厚フィルム製造装置 | |
| JPH04301427A (ja) | 連続押出加硫ラインの制御装置 | |
| JPH09123251A (ja) | フィルム厚み制御装置 | |
| JPS6135225A (ja) | 対応ダイボルト位置の測定方法 | |
| JPH1044231A (ja) | 延伸フィルムの厚み調整方法 | |
| JPH10138336A (ja) | チューブ成形方法およびチューブ成形装置 | |
| JPH0479295B2 (OSRAM) |