FR2370568B1 - - Google Patents
Info
- Publication number
- FR2370568B1 FR2370568B1 FR7633841A FR7633841A FR2370568B1 FR 2370568 B1 FR2370568 B1 FR 2370568B1 FR 7633841 A FR7633841 A FR 7633841A FR 7633841 A FR7633841 A FR 7633841A FR 2370568 B1 FR2370568 B1 FR 2370568B1
- Authority
- FR
- France
- 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
- B29C48/25—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
- B29C48/09—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
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7633841A FR2370568A1 (fr) | 1976-11-10 | 1976-11-10 | Procede de refroidissement de films tubulaires extrudes et dispositif en vue de sa mise en oeuvre |
IT2953177A IT1087889B (it) | 1976-11-10 | 1977-11-10 | Procedimento di raffreddamento di pellicole tubolari estruse e dispositivo per la sua messa in opera. |
BE187410A BE866726A (fr) | 1976-11-10 | 1978-05-05 | Procede de refroidissement de films tubulaires extrudes et dispositif en vue de sa mise en oeuvre |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7633841A FR2370568A1 (fr) | 1976-11-10 | 1976-11-10 | Procede de refroidissement de films tubulaires extrudes et dispositif en vue de sa mise en oeuvre |
BE866726 | 1978-05-05 | ||
BE187410A BE866726A (fr) | 1976-11-10 | 1978-05-05 | Procede de refroidissement de films tubulaires extrudes et dispositif en vue de sa mise en oeuvre |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2370568A1 FR2370568A1 (fr) | 1978-06-09 |
FR2370568B1 true FR2370568B1 (fr) | 1979-03-02 |
Family
ID=27158656
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7633841A Granted FR2370568A1 (fr) | 1976-11-10 | 1976-11-10 | Procede de refroidissement de films tubulaires extrudes et dispositif en vue de sa mise en oeuvre |
Country Status (2)
Country | Link |
---|---|
BE (1) | BE866726A (fr) |
FR (1) | FR2370568A1 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2836808A1 (de) * | 1978-08-23 | 1980-03-06 | Demag Kunststofftech | Blaskopf zur herstellung von schlauchfolien im extrusionsverfahren |
DE2926262A1 (de) * | 1979-06-29 | 1981-01-15 | Demag Kunststofftech | Kuehlvorrichtung fuer mittels eines blaskopfes hergestellte kunststoff- schlauchfolien |
ZA817888B (en) * | 1980-11-26 | 1982-10-27 | Union Carbide Corp | Air ring lip extension for blowing film from olefin resins |
DE9214647U1 (fr) * | 1992-10-28 | 1993-03-11 | Windmoeller & Hoelscher, 4540 Lengerich, De |
-
1976
- 1976-11-10 FR FR7633841A patent/FR2370568A1/fr active Granted
-
1978
- 1978-05-05 BE BE187410A patent/BE866726A/fr unknown
Also Published As
Publication number | Publication date |
---|---|
BE866726A (fr) | 1978-09-01 |
FR2370568A1 (fr) | 1978-06-09 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
CA | Change of address | ||
TP | Transmission of property | ||
ST | Notification of lapse |