IN154253B - - Google Patents
Info
- Publication number
- IN154253B IN154253B IN1325/CAL/81A IN1325CA1981A IN154253B IN 154253 B IN154253 B IN 154253B IN 1325CA1981 A IN1325CA1981 A IN 1325CA1981A IN 154253 B IN154253 B IN 154253B
- Authority
- IN
- India
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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
- B29C49/04—Extrusion blow-moulding
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- 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
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- 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
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- 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
- B29C48/885—External treatment, e.g. by using air rings for cooling 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
- B29C48/25—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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Manufacturing & Machinery (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 |
|---|---|---|---|
| US21073480A | 1980-11-26 | 1980-11-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN154253B true IN154253B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1984-10-13 |
Family
ID=22784068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN1325/CAL/81A IN154253B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1980-11-26 | 1981-11-25 |
Country Status (8)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118528531B (zh) * | 2024-07-26 | 2024-09-24 | 安徽华驰环保科技有限公司 | 一种可生物降解塑料薄膜用吹膜机及其生产工艺 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2461976A (en) * | 1945-10-20 | 1949-02-15 | Visking Corp | Method of making flattened thermoplastic tubing of predetermined desired characteristics |
| US3210803A (en) * | 1963-11-12 | 1965-10-12 | Poly Plastic Products Inc | Plastic tubing extrusion die air ring |
| DE2051041A1 (de) * | 1970-10-17 | 1972-07-20 | Bischof & Klein | Vorrichtung zum Extrudieren von Kunststoffolien |
| DE2445545A1 (de) * | 1974-09-24 | 1976-04-01 | Windmoeller & Hoelscher | Folienblaskopf fuer die herstellung von schlauchfolien |
| FR2370568A1 (fr) * | 1976-11-10 | 1978-06-09 | Ato Emballage | Procede de refroidissement de films tubulaires extrudes et dispositif en vue de sa mise en oeuvre |
| DE2836808A1 (de) * | 1978-08-23 | 1980-03-06 | Demag Kunststofftech | Blaskopf zur herstellung von schlauchfolien im extrusionsverfahren |
-
1981
- 1981-11-13 ZA ZA817888A patent/ZA817888B/xx unknown
- 1981-11-23 BR BR8107593A patent/BR8107593A/pt unknown
- 1981-11-23 AU AU77772/81A patent/AU7777281A/en not_active Abandoned
- 1981-11-24 JP JP56187092A patent/JPS57116613A/ja active Pending
- 1981-11-25 EP EP81109888A patent/EP0052886A1/en not_active Withdrawn
- 1981-11-25 IN IN1325/CAL/81A patent/IN154253B/en unknown
- 1981-11-25 ES ES507428A patent/ES507428A0/es active Granted
- 1981-11-26 KR KR1019810004578A patent/KR830007258A/ko not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| BR8107593A (pt) | 1982-08-17 |
| AU7777281A (en) | 1982-06-03 |
| ES8207034A1 (es) | 1982-09-01 |
| ES507428A0 (es) | 1982-09-01 |
| KR830007258A (ko) | 1983-10-19 |
| ZA817888B (en) | 1982-10-27 |
| JPS57116613A (en) | 1982-07-20 |
| EP0052886A1 (en) | 1982-06-02 |