ES478567A1 - Procedimiento y dispositivo para la extrusion y el soplado continuos de peliculas delgadas de materia plastica. - Google Patents
Procedimiento y dispositivo para la extrusion y el soplado continuos de peliculas delgadas de materia plastica.Info
- Publication number
- ES478567A1 ES478567A1 ES478567A ES478567A ES478567A1 ES 478567 A1 ES478567 A1 ES 478567A1 ES 478567 A ES478567 A ES 478567A ES 478567 A ES478567 A ES 478567A ES 478567 A1 ES478567 A1 ES 478567A1
- Authority
- ES
- Spain
- Prior art keywords
- zone
- heated
- blowing
- thin films
- plastics material
- 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
- B29C48/03—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
- B29C48/256—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
- B29C48/36—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
- B29C48/501—Extruder feed section
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
Procedimiento para la extrusión y el soplado continuos de películas delgadas de materia plástica, particularmente de poli(cloruro de vinilo) rígido, con un espesor de 10 a 60 micras, introduciendo continuamente la materia prima después de mezclada con estabilizadores y lubricantes en la abertura de alimentación de un extrusor de una sola hélice, caracterizado por el hecho de que la materia prima en forma de polvo es alimentada pre comprimida de modo continuo, en estado frío, a la hélice de extrusión y ulteriormente comprimida a través de dicha hélice es extrusión sin o con limitada aducción de calor, y luego es plastificada con calentamiento y después de una fase eficaz de homogeneización es conducida a través de aberturas de estrechamiento que determinan el aumento de presión en dicha fase de homogeneización, después de que el flujo de material sea parcialmente obstaculizado haciéndolo pasar a través de aberturas calibradas que le obligan a plastificarse, peso sin aumento de temperatura, siendo sucesivamente descomprimido y des gasificado en una fase e eliminación de la presión , uy luego es aumentada nuevamente la presión y asado a la extrusión, regulando el espesor deseado de la película mediante variación de la velocidad de arrastre y del diámetro del tubo.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH332378A CH620635A5 (en) | 1978-03-29 | 1978-03-29 | Process and device for the continuous extrusion and blowing of thin films of plastic material, especially of rigid PVC |
CH53179A CH630000A5 (en) | 1979-01-19 | 1979-01-19 | Process for the continuous extrusion of films of plastic material which is easily altered by temperature, by means of a single-screw extruder, and device for carrying out the process |
Publications (1)
Publication Number | Publication Date |
---|---|
ES478567A1 true ES478567A1 (es) | 1979-06-01 |
Family
ID=25684866
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES478567A Expired ES478567A1 (es) | 1978-03-29 | 1979-03-13 | Procedimiento y dispositivo para la extrusion y el soplado continuos de peliculas delgadas de materia plastica. |
Country Status (22)
Country | Link |
---|---|
US (1) | US4243629A (es) |
EP (1) | EP0007286B1 (es) |
JP (1) | JPS54133559A (es) |
AR (1) | AR217911A1 (es) |
AT (1) | AT366318B (es) |
AU (1) | AU520398B2 (es) |
BR (1) | BR7901963A (es) |
CA (1) | CA1119370A (es) |
DD (1) | DD142681A5 (es) |
DE (1) | DE2967317D1 (es) |
DK (1) | DK155579C (es) |
ES (1) | ES478567A1 (es) |
GB (1) | GB2019299B (es) |
GR (1) | GR64950B (es) |
HK (1) | HK36883A (es) |
IN (1) | IN150619B (es) |
MX (1) | MX151176A (es) |
PH (1) | PH17463A (es) |
PT (1) | PT69316A (es) |
SG (1) | SG18083G (es) |
TR (1) | TR21064A (es) |
YU (1) | YU41722B (es) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE8205560L (sv) * | 1982-09-29 | 1984-03-30 | Stig Baumer | Spets till plastificeringsskruv |
US4500481A (en) * | 1983-04-25 | 1985-02-19 | At&T Technologies, Inc. | Methods for controlling vinyl plastic extrudate |
EP0140846B1 (en) * | 1983-10-17 | 1988-11-23 | Renato Fornasero | Process for recovery of heterogeneous waste plastic materials, and apparatus usable in carrying out the same |
JPS61144324A (ja) * | 1984-12-19 | 1986-07-02 | Idemitsu Petrochem Co Ltd | 熱可塑性樹脂の押出方法及びそれに用いる押出装置 |
EP0219334B1 (en) * | 1985-10-14 | 1991-01-09 | Kabushiki Kaisha Kobe Seiko Sho | Cavity transfer mixing extruder |
US4994223A (en) * | 1989-06-16 | 1991-02-19 | Bomatic, Inc. | Extruder screw and method for the extrusion of thermally sensitive thermoplastic materials |
US5137969A (en) * | 1989-09-01 | 1992-08-11 | Air Products And Chemicals, Inc. | Melt extrudable polyvinyl alcohol pellets having reduced maximum melt temperature and reduced gel content |
US5051222A (en) * | 1989-09-01 | 1991-09-24 | Air Products And Chemicals, Inc. | Method for making extrudable polyvinyl alcohol compositions |
NL9000840A (nl) * | 1990-04-10 | 1991-11-01 | Wavin Bv | Werkwijze en installatie voor het vervaardigen van kunststofvoortbrengsels met behulp van een warm mengsel van pvc-poeder en additieven, alsmede een voor toepassing bij deze werkwijze geschikte warmmenger. |
US5198170A (en) * | 1991-09-19 | 1993-03-30 | The B. F. Goodrich Company | Method for extrusion of powered PVC compounds |
US5250249A (en) * | 1992-09-03 | 1993-10-05 | Northern Telecom Limited | Extrusion apparatus and methods of extrusion |
IT1263149B (it) * | 1993-02-05 | 1996-08-01 | Giancarlo Colombo | Metodo di estrusione ed impianto per esso |
US5536462A (en) * | 1994-07-22 | 1996-07-16 | The Geon Company | High output twin screw extrusion process |
DE19716127C1 (de) * | 1997-04-17 | 1998-03-05 | Krauss Maffei Ag | Extruderschnecke |
US6277314B1 (en) | 1998-02-04 | 2001-08-21 | Flextech Packaging, Ltd. | System and method for producing polymeric film |
US6784234B2 (en) | 1998-10-07 | 2004-08-31 | General Electric Company | High performance plastic pallets |
US6280667B1 (en) | 1999-04-19 | 2001-08-28 | Andersen Corporation | Process for making thermoplastic-biofiber composite materials and articles including a poly(vinylchloride) component |
US6779522B2 (en) * | 2001-10-16 | 2004-08-24 | Perma Pure, Inc. | Method and apparatus for treating breathing gases |
US7052260B1 (en) | 2003-06-18 | 2006-05-30 | Extrutech International, Inc. | Polymer processing system including decompression chamber and method for using same |
CN102776578B (zh) * | 2012-03-22 | 2014-08-06 | 上海罗洋新材料科技有限公司 | 一种连续式水汽密封型双螺杆挤出机 |
CN102776579B (zh) * | 2012-03-22 | 2014-08-06 | 上海罗洋新材料科技有限公司 | 一种连续式可调控的水汽密封型双螺杆挤出机 |
WO2017003307A1 (en) * | 2015-06-29 | 2017-01-05 | Secura B.C. Sp. Z O.O. | Manifold for the heads of an extruder, and related method for producing plastic products using such an extruder |
CN113912962B (zh) * | 2021-11-17 | 2023-03-10 | 新疆中泰化学阜康能源有限公司 | Pvc塑料布及其制备方法 |
CN117945114B (zh) * | 2024-03-25 | 2024-06-25 | 江苏君华特种高分子材料股份有限公司 | 一种peek板用物料上料输送***及其工艺方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1170891B (de) * | 1962-04-13 | 1964-05-27 | Max Maier | Maschine zum Verformen von ebenen Blechen zu Rohren |
US3171160A (en) * | 1962-05-31 | 1965-03-02 | Hercules Powder Co Ltd | Extrusion apparatus |
DE1201041B (de) * | 1962-07-10 | 1965-09-16 | Kloeckner Humboldt Deutz Ag | Schneckenstrangpresse fuer plastische Massen, z. B. thermoplastische Kunststoffe |
GB967881A (en) * | 1962-08-29 | 1964-08-26 | Barmag Barmer Maschf | Improvements in or relating to the production of blown films from soft polyvinyl chloride |
NL6516428A (es) * | 1965-01-07 | 1966-07-08 | ||
GB1149780A (en) * | 1966-01-11 | 1969-04-23 | Sumitomo Electric Industries | Improvements in or relating to extrusion apparatus |
US3486193A (en) * | 1967-05-22 | 1969-12-30 | Phillips Petroleum Co | Apparatus for extruding thermoplastic material |
DE1779231B1 (de) * | 1968-02-12 | 1972-05-31 | Reifenhaeuser Kg | Schneckenstrangpresse fuer thermoplastischen kunststoff |
JPS5149329Y2 (es) * | 1971-09-21 | 1976-11-27 | ||
JPS552334B2 (es) * | 1973-09-08 | 1980-01-19 | ||
US4074362A (en) * | 1976-11-19 | 1978-02-14 | Hpm Corporation | Vented injection molding machine |
-
1979
- 1979-03-02 GR GR58522A patent/GR64950B/el unknown
- 1979-03-08 PT PT69316A patent/PT69316A/pt unknown
- 1979-03-09 AU AU44984/79A patent/AU520398B2/en not_active Expired
- 1979-03-13 US US06/020,019 patent/US4243629A/en not_active Expired - Lifetime
- 1979-03-13 ES ES478567A patent/ES478567A1/es not_active Expired
- 1979-03-16 GB GB7909310A patent/GB2019299B/en not_active Expired
- 1979-03-20 IN IN273/CAL/79A patent/IN150619B/en unknown
- 1979-03-22 YU YU694/79A patent/YU41722B/xx unknown
- 1979-03-22 PH PH22306A patent/PH17463A/en unknown
- 1979-03-23 AR AR275937A patent/AR217911A1/es active
- 1979-03-26 JP JP3616579A patent/JPS54133559A/ja active Granted
- 1979-03-27 DD DD79211820A patent/DD142681A5/de unknown
- 1979-03-27 DE DE7979810028T patent/DE2967317D1/de not_active Expired
- 1979-03-27 EP EP79810028A patent/EP0007286B1/en not_active Expired
- 1979-03-28 DK DK125779A patent/DK155579C/da not_active Application Discontinuation
- 1979-03-28 MX MX177101A patent/MX151176A/es unknown
- 1979-03-28 CA CA000324389A patent/CA1119370A/en not_active Expired
- 1979-03-29 TR TR21064A patent/TR21064A/xx unknown
- 1979-03-29 AT AT0233979A patent/AT366318B/de not_active IP Right Cessation
- 1979-03-29 BR BR7901963A patent/BR7901963A/pt unknown
-
1983
- 1983-04-16 SG SG180/83A patent/SG18083G/en unknown
- 1983-09-21 HK HK368/83A patent/HK36883A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DK155579B (da) | 1989-04-24 |
GR64950B (en) | 1980-06-10 |
HK36883A (en) | 1983-09-30 |
JPS54133559A (en) | 1979-10-17 |
MX151176A (es) | 1984-10-09 |
AU4498479A (en) | 1979-10-04 |
PH17463A (en) | 1984-08-29 |
DK125779A (da) | 1979-09-30 |
BR7901963A (pt) | 1979-12-04 |
CA1119370A (en) | 1982-03-09 |
DE2967317D1 (en) | 1985-01-17 |
US4243629A (en) | 1981-01-06 |
AT366318B (de) | 1982-04-13 |
DK155579C (da) | 1989-10-09 |
ATA233979A (de) | 1981-08-15 |
IN150619B (es) | 1982-11-13 |
YU69479A (en) | 1983-01-21 |
EP0007286A1 (en) | 1980-01-23 |
SG18083G (en) | 1983-12-16 |
AU520398B2 (en) | 1982-01-28 |
JPS6224248B2 (es) | 1987-05-27 |
YU41722B (en) | 1987-12-31 |
GB2019299B (en) | 1982-11-03 |
GB2019299A (en) | 1979-10-31 |
PT69316A (fr) | 1979-04-01 |
AR217911A1 (es) | 1980-04-30 |
EP0007286B1 (en) | 1984-12-05 |
TR21064A (tr) | 1983-05-01 |
DD142681A5 (de) | 1980-07-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PC1A | Transfer granted |