CH525076A - Vorrichtung zum Extrudieren von Kunststoffolienschläuchen - Google Patents
Vorrichtung zum Extrudieren von KunststoffolienschläuchenInfo
- Publication number
- CH525076A CH525076A CH1473571A CH1473571A CH525076A CH 525076 A CH525076 A CH 525076A CH 1473571 A CH1473571 A CH 1473571A CH 1473571 A CH1473571 A CH 1473571A CH 525076 A CH525076 A CH 525076A
- Authority
- CH
- Switzerland
- Prior art keywords
- plastic film
- extruding plastic
- film tubes
- tubes
- extruding
- Prior art date
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
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. 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
- B29C48/03—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)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Extrusion Of Metal (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 |
---|---|---|---|
DE19702051041 DE2051041A1 (de) | 1970-10-17 | 1970-10-17 | Vorrichtung zum Extrudieren von Kunststoffolien |
Publications (1)
Publication Number | Publication Date |
---|---|
CH525076A true CH525076A (de) | 1972-07-15 |
Family
ID=5785408
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1473571A CH525076A (de) | 1970-10-17 | 1971-10-08 | Vorrichtung zum Extrudieren von Kunststoffolienschläuchen |
Country Status (6)
Country | Link |
---|---|
US (1) | US3764251A (de) |
CH (1) | CH525076A (de) |
DE (1) | DE2051041A1 (de) |
FR (1) | FR2111686B3 (de) |
GB (1) | GB1329480A (de) |
IT (1) | IT939064B (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4259047A (en) * | 1978-01-24 | 1981-03-31 | Cole Robert J | Air ring for the production of blown film |
ZA817888B (en) * | 1980-11-26 | 1982-10-27 | Union Carbide Corp | Air ring lip extension for blowing film from olefin resins |
US4415711A (en) * | 1982-07-02 | 1983-11-15 | Union Carbide Corporation | Process for forming film from low strain hardening polymers |
CA2076873A1 (en) * | 1990-02-28 | 1991-08-29 | Clyde C. Grady | Method and apparatus for producing polymeric films |
US5322664A (en) * | 1993-02-02 | 1994-06-21 | Owens-Illinois Labels Inc. | Clear film extrusion from an annular die |
US11065799B2 (en) | 2017-04-07 | 2021-07-20 | Brampton Engineering Inc. | Adjustable venturi ring |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3074108A (en) * | 1960-04-25 | 1963-01-22 | Phillips Petroleum Co | Apparatus for biaxially orienting thermoplastic film |
US3186033A (en) * | 1962-10-23 | 1965-06-01 | Nat Distillers Chem Corp | Adjustable air ring |
FR1423754A (fr) * | 1964-10-22 | 1966-01-07 | Shell Int Research | Procédé et dispositif pour refroidir des films thermoplastiques tubulaires |
US3210803A (en) * | 1963-11-12 | 1965-10-12 | Poly Plastic Products Inc | Plastic tubing extrusion die air ring |
FR1421490A (fr) * | 1964-11-02 | 1965-12-17 | Prosyn | Matériel perfectionné pour la fabrication de gaines en matière plastique extrudée |
-
1970
- 1970-10-17 DE DE19702051041 patent/DE2051041A1/de active Pending
-
1971
- 1971-10-08 CH CH1473571A patent/CH525076A/de not_active IP Right Cessation
- 1971-10-08 IT IT29676/71A patent/IT939064B/it active
- 1971-10-14 GB GB4781671A patent/GB1329480A/en not_active Expired
- 1971-10-18 FR FR7137347A patent/FR2111686B3/fr not_active Expired
- 1971-10-18 US US00189967A patent/US3764251A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2111686A3 (de) | 1972-06-09 |
GB1329480A (en) | 1973-09-12 |
DE2051041A1 (de) | 1972-07-20 |
IT939064B (it) | 1973-02-10 |
FR2111686B3 (de) | 1974-01-04 |
US3764251A (en) | 1973-10-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |