GB2019306B - Controlling blown film width - Google Patents
Controlling blown film widthInfo
- Publication number
- GB2019306B GB2019306B GB7909557A GB7909557A GB2019306B GB 2019306 B GB2019306 B GB 2019306B GB 7909557 A GB7909557 A GB 7909557A GB 7909557 A GB7909557 A GB 7909557A GB 2019306 B GB2019306 B GB 2019306B
- Authority
- GB
- United Kingdom
- Prior art keywords
- blown film
- film width
- controlling
- controlling blown
- width
- 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
- B29C48/92—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
- B29C2948/92009—Measured parameter
- B29C2948/92114—Dimensions
- B29C2948/92133—Width or height
-
- 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
- B29C2948/92323—Location or phase of measurement
- B29C2948/92428—Calibration, after-treatment, or cooling 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92514—Pressure
-
- 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
- B29C2948/92628—Width or height
-
- 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
-
- 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
- B29C2948/92923—Calibration, after-treatment or cooling 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
- B29C48/03—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
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CM5647778 | 1978-04-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2019306A GB2019306A (en) | 1979-10-31 |
GB2019306B true GB2019306B (en) | 1982-11-10 |
Family
ID=4574624
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7909557A Expired GB2019306B (en) | 1978-04-21 | 1979-03-19 | Controlling blown film width |
Country Status (8)
Country | Link |
---|---|
BE (1) | BE875721A (en) |
CH (1) | CH627964A5 (en) |
DE (1) | DE2911235A1 (en) |
ES (1) | ES478833A1 (en) |
FR (1) | FR2423323A1 (en) |
GB (1) | GB2019306B (en) |
IT (1) | IT1112250B (en) |
PT (1) | PT69457A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019127454B4 (en) * | 2019-03-29 | 2023-05-04 | Windmöller & Hölscher Kg | System for the improved introduction of a separating device and blown film system and method for producing and providing at least two film webs made of plastic in a blown film system |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1030187A (en) * | 1964-03-05 | 1966-05-18 | Canadian Ind | Layflat tubular film manufacture |
US3992107A (en) * | 1975-08-27 | 1976-11-16 | Union Carbide Corporation | Automatic flat width control |
-
1979
- 1979-03-19 GB GB7909557A patent/GB2019306B/en not_active Expired
- 1979-03-21 ES ES478833A patent/ES478833A1/en not_active Expired
- 1979-03-22 DE DE19792911235 patent/DE2911235A1/en active Granted
- 1979-04-09 PT PT69457A patent/PT69457A/en unknown
- 1979-04-11 CH CH347179A patent/CH627964A5/en not_active IP Right Cessation
- 1979-04-19 IT IT21994/79A patent/IT1112250B/en active
- 1979-04-20 FR FR7910965A patent/FR2423323A1/en active Granted
- 1979-04-20 BE BE0/194723A patent/BE875721A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
ES478833A1 (en) | 1979-08-01 |
BE875721A (en) | 1979-10-22 |
DE2911235A1 (en) | 1979-12-06 |
GB2019306A (en) | 1979-10-31 |
CH627964A5 (en) | 1982-02-15 |
DE2911235C2 (en) | 1989-05-03 |
IT7921994A0 (en) | 1979-04-19 |
FR2423323A1 (en) | 1979-11-16 |
FR2423323B1 (en) | 1984-02-17 |
PT69457A (en) | 1979-05-01 |
IT1112250B (en) | 1986-01-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19950319 |