BG18938A1 - - Google Patents
Info
- Publication number
- BG18938A1 BG18938A1 BG14737A BG1473770A BG18938A1 BG 18938 A1 BG18938 A1 BG 18938A1 BG 14737 A BG14737 A BG 14737A BG 1473770 A BG1473770 A BG 1473770A BG 18938 A1 BG18938 A1 BG 18938A1
- Authority
- BG
- Bulgaria
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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD14001969 | 1969-05-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BG18938A1 true BG18938A1 (xx) | 1975-04-30 |
Family
ID=5481252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BG14737A BG18938A1 (xx) | 1969-05-22 | 1970-05-20 |
Country Status (2)
| Country | Link |
|---|---|
| BG (1) | BG18938A1 (xx) |
| DE (1) | DE2024069A1 (xx) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3336181A1 (de) | 1983-10-05 | 1985-04-25 | Overbeck GmbH & Co, 2800 Bremen | Vorrichtung zum kuehlen eines aus insbesondere einem extruderspritzkopf austretenden thermoplastischen folienschlauches |
| US5288219A (en) * | 1991-03-25 | 1994-02-22 | Battenfeld Gloucester Engineering Co., Inc. | Air ring for controlling blown film thickness |
| DE102006040184A1 (de) * | 2006-08-26 | 2008-03-20 | Windmöller & Hölscher Kg | Kühlvorrichtung für einen aus einem Extruderblaskopf austretenden thermoplastischen Kunststofffolienschlauch |
-
1970
- 1970-05-16 DE DE19702024069 patent/DE2024069A1/de active Pending
- 1970-05-20 BG BG14737A patent/BG18938A1/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2024069A1 (en) | 1970-12-03 |