FR2271020B1 - - Google Patents
Info
- Publication number
- FR2271020B1 FR2271020B1 FR7515391A FR7515391A FR2271020B1 FR 2271020 B1 FR2271020 B1 FR 2271020B1 FR 7515391 A FR7515391 A FR 7515391A FR 7515391 A FR7515391 A FR 7515391A FR 2271020 B1 FR2271020 B1 FR 2271020B1
- 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
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
- B65F3/00—Vehicles particularly adapted for collecting refuse
- B65F3/02—Vehicles particularly adapted for collecting refuse with means for discharging refuse receptacles thereinto
- B65F3/04—Linkages, pivoted arms, or pivoted carriers for raising and subsequently tipping receptacles
-
- 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
- B29C48/9125—Cooling of hollow articles of tubular films internally
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Nozzles (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 |
|---|---|---|---|
| DE2424095A DE2424095A1 (de) | 1974-05-17 | 1974-05-17 | Verfahren und vorrichtung zur herstellung von kunststoffblasfolien |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2271020A1 FR2271020A1 (en) | 1975-12-12 |
| FR2271020B1 true FR2271020B1 (US20030220297A1-20031127-C00033.png) | 1978-09-08 |
Family
ID=5915859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7515391A Granted FR2271020A1 (en) | 1974-05-17 | 1975-05-16 | Plastics sheet blowing from tube - using reduced temp. by evaporation of nitrogen or similar fluid |
Country Status (9)
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE434930B (sv) * | 1982-04-29 | 1984-08-27 | Aga Ab | Forfaringssett och anordning for att invendigt kyla extruderade rorformiga foremal med hjelp av flytande kveve |
| DE4034234A1 (de) * | 1990-10-27 | 1992-04-30 | Linde Ag | Verfahren zur herstellung von schlauchfolien |
| US5213725A (en) * | 1992-03-10 | 1993-05-25 | The Boc Group, Inc. | Apparatus and method for cooling an extruded blown film |
-
1974
- 1974-05-17 DE DE2424095A patent/DE2424095A1/de not_active Withdrawn
-
1975
- 1975-05-05 CH CH576075A patent/CH576330A5/xx not_active IP Right Cessation
- 1975-05-07 AT AT753504A patent/ATA350475A/de not_active IP Right Cessation
- 1975-05-14 BR BR3809/75A patent/BR7502987A/pt unknown
- 1975-05-15 AU AU81220/75A patent/AU8122075A/en not_active Expired
- 1975-05-16 FR FR7515391A patent/FR2271020A1/fr active Granted
- 1975-05-16 NL NL7505812A patent/NL7505812A/xx unknown
- 1975-05-16 BE BE6045016A patent/BE829230A/xx unknown
- 1975-05-16 ZA ZA00753159A patent/ZA753159B/xx unknown
-
1976
- 1976-10-25 AT AT792376A patent/AT350475B/de active
Also Published As
| Publication number | Publication date |
|---|---|
| NL7505812A (nl) | 1975-11-19 |
| AT350475B (de) | 1978-02-15 |
| BR7502987A (pt) | 1976-04-13 |
| FR2271020A1 (en) | 1975-12-12 |
| BE829230A (fr) | 1975-09-15 |
| CH576330A5 (US20030220297A1-20031127-C00033.png) | 1976-06-15 |
| AU8122075A (en) | 1976-11-18 |
| DE2424095A1 (de) | 1975-11-27 |
| ATA792376A (de) | 1978-10-15 |
| ATA350475A (de) | 1978-02-15 |
| ZA753159B (en) | 1976-04-28 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |