DE3268335D1 - Apparatus for cooling a plastic tubular film, and method - Google Patents
Apparatus for cooling a plastic tubular film, and methodInfo
- Publication number
- DE3268335D1 DE3268335D1 DE8282401967T DE3268335T DE3268335D1 DE 3268335 D1 DE3268335 D1 DE 3268335D1 DE 8282401967 T DE8282401967 T DE 8282401967T DE 3268335 T DE3268335 T DE 3268335T DE 3268335 D1 DE3268335 D1 DE 3268335D1
- Authority
- DE
- Germany
- Prior art keywords
- tubular sheet
- envelope
- extrusion head
- cooling
- extrusion
- 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
- B29C48/9125—Cooling of hollow articles of tubular films internally
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Laminated Bodies (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8120207A FR2515103A1 (fr) | 1981-10-28 | 1981-10-28 | Dispositif pour le refroidissement d'une feuille tubulaire de matiere plastique et procede s'y rapportant |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3268335D1 true DE3268335D1 (en) | 1986-02-13 |
Family
ID=9263469
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8282401967T Expired DE3268335D1 (en) | 1981-10-28 | 1982-10-26 | Apparatus for cooling a plastic tubular film, and method |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0078738B1 (de) |
AT (1) | ATE17206T1 (de) |
DE (1) | DE3268335D1 (de) |
FR (1) | FR2515103A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4606879A (en) * | 1985-02-28 | 1986-08-19 | Cerisano Frank D | High stalk blown film extrusion apparatus and method |
CA1274366C (en) * | 1987-03-31 | 1990-09-25 | BUBBLE DEVICE AND STABILIZER FOR CONTINUOUS EXTRUSION PROCESS FOR THE MANUFACTURE OF BLOWN FILMS | |
DE10066051B4 (de) * | 1999-09-09 | 2004-10-28 | Kdesign Gmbh | Verfahren zur Steuerung und Regelung des Dickenprofils bei der Blasfolienherstellung |
EP2523994B1 (de) | 2010-01-12 | 2018-08-15 | Greenrock, Ltd. | Papierartiger film und herstellungsverfahren dafür |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1119552A (en) * | 1965-06-15 | 1968-07-10 | Gen Eng Radcliffe | Improvements in or relating to the manufacture of plastic tubular film |
US3307219A (en) * | 1966-02-16 | 1967-03-07 | Bemis Co Inc | Manufacture of plastic film |
GB1147418A (en) * | 1967-03-02 | 1969-04-02 | Fmc Corp | Method and apparatus for making oriented blown tubular film |
GB1120075A (en) * | 1967-06-26 | 1968-07-17 | Shell Int Research | Device and process for cooling an extruded tubular thermoplastic film |
BE722009A (de) * | 1967-10-13 | 1969-03-14 | ||
FR1578016A (de) * | 1968-04-26 | 1969-08-14 | ||
US3714309A (en) * | 1970-08-11 | 1973-01-30 | Gen Engineering Co | Manufacture of plastic film |
-
1981
- 1981-10-28 FR FR8120207A patent/FR2515103A1/fr active Granted
-
1982
- 1982-10-26 AT AT82401967T patent/ATE17206T1/de not_active IP Right Cessation
- 1982-10-26 DE DE8282401967T patent/DE3268335D1/de not_active Expired
- 1982-10-26 EP EP82401967A patent/EP0078738B1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
EP0078738A1 (de) | 1983-05-11 |
FR2515103A1 (fr) | 1983-04-29 |
ATE17206T1 (de) | 1986-01-15 |
FR2515103B1 (de) | 1984-06-29 |
EP0078738B1 (de) | 1986-01-02 |
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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 |