IT955724B - COOLING DEVICE FOR A PLASTI CA FILM TUBE PRODUCED BY MEANS OF A BLOWING HEAD - Google Patents
COOLING DEVICE FOR A PLASTI CA FILM TUBE PRODUCED BY MEANS OF A BLOWING HEADInfo
- Publication number
- IT955724B IT955724B IT24668/72A IT2466872A IT955724B IT 955724 B IT955724 B IT 955724B IT 24668/72 A IT24668/72 A IT 24668/72A IT 2466872 A IT2466872 A IT 2466872A IT 955724 B IT955724 B IT 955724B
- Authority
- IT
- Italy
- Prior art keywords
- plasti
- cooling device
- film tube
- blowing head
- tube produced
- 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
- B29C48/09—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
-
- 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
-
- 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
- B29C48/06—Rod-shaped
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (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 |
---|---|---|---|
DE19712132098 DE2132098A1 (en) | 1971-06-28 | 1971-06-28 | COOLING DEVICE FOR PLASTIC TUBE FILMS MADE WITH A FILM BLOW HEAD |
Publications (1)
Publication Number | Publication Date |
---|---|
IT955724B true IT955724B (en) | 1973-09-29 |
Family
ID=5812027
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT24668/72A IT955724B (en) | 1971-06-28 | 1972-05-22 | COOLING DEVICE FOR A PLASTI CA FILM TUBE PRODUCED BY MEANS OF A BLOWING HEAD |
Country Status (5)
Country | Link |
---|---|
BR (1) | BR7204233D0 (en) |
CH (1) | CH537800A (en) |
DE (1) | DE2132098A1 (en) |
FR (1) | FR2143809A1 (en) |
IT (1) | IT955724B (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2502480C2 (en) * | 1973-06-04 | 1982-05-13 | Mobil Oil Corp., 10017 New York, N.Y. | Device for cooling blown blown film made of thermoplastic material |
DE2357993C2 (en) * | 1973-11-21 | 1983-11-17 | Reifenhäuser KG, 5210 Troisdorf | Device for the internal calibration of hollow profiles made of thermoplastic material |
US4118453A (en) * | 1976-08-30 | 1978-10-03 | Mobil Oil Corporation | Method and apparatus for the extrusion of tubular thermoplastic film |
US4165356A (en) * | 1978-05-15 | 1979-08-21 | Owens-Illinois, Inc. | Method of forming tubular plastic material having a flare-top edge using a blow head |
IT1120123B (en) * | 1979-04-24 | 1986-03-19 | Dolci Lanfranco | PROCEDURE AND EQUIPMENT FOR THE EXTRUSION OF MULTILAYER TUBULAR FILMS, WITH INTERNAL REINFORCEMENT ARMOR |
US4472343A (en) * | 1981-11-28 | 1984-09-18 | Idemitsu Petrochemical Co., Ltd. | Tubular film process |
DE3461696D1 (en) * | 1983-03-31 | 1987-01-29 | Windmoeller & Hoelscher | Cooling device for blow-head extruded tubular plastic films |
DE3335334C2 (en) * | 1983-09-29 | 1986-01-30 | Windmöller & Hölscher, 4540 Lengerich | Cooling device for plastic tubular films extruded from a film blow head with air cooling |
US4732727A (en) * | 1986-04-03 | 1988-03-22 | The Dow Chemical Company | Method and apparatus for producing mesh film |
DE102014017556B4 (en) * | 2014-11-28 | 2019-05-16 | Hosokawa Alpine Aktiengesellschaft | Internal cooling tower for blown film systems |
DE102018008127B4 (en) | 2018-10-13 | 2022-06-09 | Hosokawa Alpine Aktiengesellschaft | Die head and process for producing a multi-layer tubular film |
DE102018009632B4 (en) | 2018-12-11 | 2021-12-09 | Hosokawa Alpine Aktiengesellschaft | Apparatus for winding and changing laps of web material and a method therefor |
-
1971
- 1971-06-28 DE DE19712132098 patent/DE2132098A1/en active Pending
-
1972
- 1972-05-10 CH CH695272A patent/CH537800A/en not_active IP Right Cessation
- 1972-05-22 IT IT24668/72A patent/IT955724B/en active
- 1972-06-28 FR FR7223302A patent/FR2143809A1/en not_active Withdrawn
- 1972-06-28 BR BR004233/72A patent/BR7204233D0/en unknown
Also Published As
Publication number | Publication date |
---|---|
FR2143809A1 (en) | 1973-02-09 |
BR7204233D0 (en) | 1973-08-23 |
DE2132098A1 (en) | 1973-01-18 |
CH537800A (en) | 1973-06-15 |
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