DE3573997D1 - Blown film extrusion - Google Patents
Blown film extrusionInfo
- Publication number
- DE3573997D1 DE3573997D1 DE8585101994T DE3573997T DE3573997D1 DE 3573997 D1 DE3573997 D1 DE 3573997D1 DE 8585101994 T DE8585101994 T DE 8585101994T DE 3573997 T DE3573997 T DE 3573997T DE 3573997 D1 DE3573997 D1 DE 3573997D1
- Authority
- DE
- Germany
- Prior art keywords
- blown film
- film extrusion
- extrusion
- blown
- film
- 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
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
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9115—Cooling of hollow articles
- B29C48/912—Cooling of hollow articles of tubular films
- B29C48/913—Cooling of hollow articles of tubular films externally
-
- 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
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9115—Cooling of hollow articles
- B29C48/912—Cooling of hollow articles of tubular films
-
- 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
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
-
- 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
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0019—Combinations of extrusion moulding with other shaping operations combined with shaping by flattening, folding or bending
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US59825584A | 1984-04-09 | 1984-04-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3573997D1 true DE3573997D1 (en) | 1989-12-07 |
Family
ID=24394845
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8585101994T Expired DE3573997D1 (en) | 1984-04-09 | 1985-02-22 | Blown film extrusion |
Country Status (5)
Country | Link |
---|---|
US (1) | US4632801A (de) |
EP (1) | EP0163010B1 (de) |
JP (1) | JPS60229733A (de) |
CA (1) | CA1239261A (de) |
DE (1) | DE3573997D1 (de) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4832897A (en) * | 1984-02-07 | 1989-05-23 | Stamicarbon B.V. | Process for the preparation of blown film |
US4626397A (en) * | 1984-10-29 | 1986-12-02 | Union Camp Corporation | Method for controlled orientation of extruded resins |
FR2596317B1 (fr) * | 1986-03-28 | 1988-07-29 | Charbonnages Ste Chimique | Procede de refroidissement d'une gaine tubulaire en matiere thermoplastique et un dispositif pour sa mise en oeuvre |
US4834924A (en) * | 1988-01-25 | 1989-05-30 | Mobil Oil Corporation | Extrusion apparatus for tubular thermoplastic films including two (tandem) spaced air rings for controlling cooling rate and production speeds |
US4842803A (en) * | 1988-03-25 | 1989-06-27 | Union Camp Corporation | Method and apparatus for extruding blown thermoplastic film tubes |
DE3815415A1 (de) * | 1988-05-06 | 1989-11-16 | Kiefel Gmbh Paul | Hochleistungskuehlverfahren und vorrichtung fuer die herstellung von bi-orientierten folien aus hoch- und mittelmolaren thermoplasten |
WO1991012950A1 (en) * | 1990-02-28 | 1991-09-05 | Exxon Chemical Patents Inc. | Method and apparatus for producing polymeric films |
US5840244A (en) * | 1992-01-14 | 1998-11-24 | Mobil Oil Corporation | High impact LLDPE films with high stalk extrusion |
US6458910B1 (en) | 1992-01-14 | 2002-10-01 | Exxonmobil Oil Corporation | High impact LLDPE films |
US5310329A (en) * | 1992-02-05 | 1994-05-10 | Cree Robert E | Air shroud device for a blown film extrusion line |
US5258161A (en) * | 1992-06-15 | 1993-11-02 | Union Carbide Chemicals & Plastics Technology Corporation | Blown film extrusion |
CA2100431C (en) * | 1992-07-15 | 1997-04-15 | Toshio Taka | Method and apparatus for molding inflation film |
NZ287207A (en) * | 1994-05-09 | 1998-10-28 | Dow Chemical Co | Medium modulus polyethylene film comprising interpolymer with defined melt flow ratio and molecular weight distribution; fabrication method |
WO1995030714A1 (en) * | 1994-05-09 | 1995-11-16 | The Dow Chemical Company | Medium modulus film and fabrication method |
US5773106A (en) | 1994-10-21 | 1998-06-30 | The Dow Chemical Company | Polyolefin compositions exhibiting heat resistivity, low hexane-extractives and controlled modulus |
US6004024A (en) | 1997-11-14 | 1999-12-21 | Calgon Corporation | Emulsion feed assembly |
ID22889A (id) | 1998-03-10 | 1999-12-16 | Mitsui Chemicals Inc | Komposisi kopolimer etilena dan penggunaannya |
US6632911B1 (en) * | 1999-11-05 | 2003-10-14 | Japan Polychem Corporation | Ethylene/α-olefin copolymer and film made thereof |
US7654808B2 (en) * | 2004-10-12 | 2010-02-02 | Macro Engineering and Technology, Inc. | Air ring with circumferentially adjustable air flow |
WO2006039813A1 (en) * | 2004-10-12 | 2006-04-20 | Macro Engineering & Technology Inc. | Air ring with circumferentially adjustable air flow |
US7220113B2 (en) * | 2005-04-11 | 2007-05-22 | Macro Engineering & Technology Inc. | Gauge distribution apparatus for plastic film |
DE102007027280B4 (de) * | 2007-06-11 | 2011-06-30 | Ohlendorf, Friedrich, Dr. Ing., 21335 | Blasfolienextrusionsanlage |
WO2015172226A1 (en) * | 2014-05-13 | 2015-11-19 | Brampton Engineering Inc. | Pressure chamber for blown film extrusion |
US10357914B2 (en) | 2016-01-15 | 2019-07-23 | Addex, Inc. | High performance cooling element |
US11298865B2 (en) * | 2016-01-15 | 2022-04-12 | Addex, Inc. | High performance cooling system |
CA3009083C (en) | 2016-01-15 | 2021-06-01 | Addex, Inc. | Apparatus with unidirectional and divergent cooling elements for blown film cooling |
US10391697B2 (en) | 2016-01-15 | 2019-08-27 | Addex, Inc. | Controlled pressure enclosure |
US11104054B2 (en) | 2016-01-15 | 2021-08-31 | Addex, Inc. | High performance cooling system |
US10391696B2 (en) | 2016-01-15 | 2019-08-27 | Addex, Inc. | High performance cooling element |
US11207816B2 (en) | 2016-01-15 | 2021-12-28 | Addex, Inc. | High performance cooling element |
WO2017209516A1 (ko) * | 2016-05-31 | 2017-12-07 | 주식회사 엘지화학 | 폴리알킬렌 카보네이트 수지 조성물, 이의 제조 방법, 이로부터 형성된 성형품 및 이를 이용한 성형품의 제조 방법 |
US11618200B2 (en) * | 2020-03-17 | 2023-04-04 | Michael P. Bucko | External cooling air ring for blown-film extrusion |
CN114789570B (zh) * | 2022-03-24 | 2024-05-17 | 广州市普同实验分析仪器有限公司 | 薄膜刚性吹膜装置及其方法 |
US11826941B1 (en) | 2022-06-28 | 2023-11-28 | Daniel R. Joseph | Air ring for blown-film extrusion apparatus |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE595811A (de) * | 1959-10-06 | 1900-01-01 | ||
US3265789A (en) * | 1960-11-30 | 1966-08-09 | Union Carbide Corp | Method and apparatus for forming thermoplastic films |
BE643186A (de) * | 1963-02-11 | 1900-01-01 | ||
US3568252A (en) * | 1967-03-15 | 1971-03-09 | Mitsubishi Petrochemical Co | Annular cooling device for manufacture of tubular film |
GB1120075A (en) * | 1967-06-26 | 1968-07-17 | Shell Int Research | Device and process for cooling an extruded tubular thermoplastic film |
JPS5636966B2 (de) * | 1973-06-25 | 1981-08-27 | ||
CH594490A5 (en) * | 1976-06-18 | 1978-01-13 | Oerlikon Buehrle Ag | High strength thermoplastic film tubing |
GB1560030A (en) * | 1976-12-06 | 1980-01-30 | Cole R J | Air ring for the production of blown extruded film |
US4259047A (en) * | 1978-01-24 | 1981-03-31 | Cole Robert J | Air ring for the production of blown film |
JPS5637123A (en) * | 1979-09-01 | 1981-04-10 | Gunze Ltd | Method and apparatus for production of stretched tubular film |
US4330501A (en) * | 1980-06-30 | 1982-05-18 | Union Carbide Corporation | Method and apparatus for cooling film bubble of low strain hardening polymers |
US4373273A (en) * | 1981-04-13 | 1983-02-15 | Gloucester Engineering Co., Inc. | Air ring having a circular array of a large multiplicity of substantially parallel cell-like passages in the air flow path leading to the outlet |
KR880001768B1 (ko) * | 1981-10-30 | 1988-09-13 | 스즈끼 세이지 | 인플레이션필름 성형장치 |
US4472343A (en) * | 1981-11-28 | 1984-09-18 | Idemitsu Petrochemical Co., Ltd. | Tubular film process |
JPS58119824A (ja) * | 1982-01-11 | 1983-07-16 | Idemitsu Petrochem Co Ltd | インフレ−シヨンフイルムの成形法 |
JPS58212918A (ja) * | 1982-06-05 | 1983-12-10 | Mitsubishi Petrochem Co Ltd | インフレ−シヨンフイルムの成形法およびインフレ−シヨンフイルム成形用冷却環 |
JPS58219021A (ja) * | 1982-06-16 | 1983-12-20 | Nippon Petrochem Co Ltd | インフレーションフィルムの成形法 |
US4447387A (en) * | 1982-09-30 | 1984-05-08 | Union Carbide Corporation | Process for manufacture of tubular film |
DE3461696D1 (en) * | 1983-03-31 | 1987-01-29 | Windmoeller & Hoelscher | Cooling device for blow-head extruded tubular plastic films |
US4479766A (en) * | 1983-06-14 | 1984-10-30 | Macro Engineering Company | Apparatus for the production of plastic film |
ES8503277A1 (es) * | 1983-06-29 | 1985-02-16 | Charbonnages Ste Chimique | Procedimiento y dispositivo de enfriamiento de hojas plasticas obtenidas por soplado de vaina |
-
1984
- 1984-12-10 CA CA000469747A patent/CA1239261A/en not_active Expired
-
1985
- 1985-02-22 DE DE8585101994T patent/DE3573997D1/de not_active Expired
- 1985-02-22 EP EP85101994A patent/EP0163010B1/de not_active Expired
- 1985-04-05 JP JP60071322A patent/JPS60229733A/ja active Pending
- 1985-09-23 US US06/779,397 patent/US4632801A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0163010A1 (de) | 1985-12-04 |
JPS60229733A (ja) | 1985-11-15 |
US4632801A (en) | 1986-12-30 |
EP0163010B1 (de) | 1989-11-02 |
CA1239261A (en) | 1988-07-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |