DE1704668A1 - Verfahren und Vorrichtung zum Herstellen schlauchfoermiger Folien aus thermoplastischen Polymeren - Google Patents
Verfahren und Vorrichtung zum Herstellen schlauchfoermiger Folien aus thermoplastischen PolymerenInfo
- Publication number
- DE1704668A1 DE1704668A1 DE19681704668 DE1704668A DE1704668A1 DE 1704668 A1 DE1704668 A1 DE 1704668A1 DE 19681704668 DE19681704668 DE 19681704668 DE 1704668 A DE1704668 A DE 1704668A DE 1704668 A1 DE1704668 A1 DE 1704668A1
- Authority
- DE
- Germany
- Prior art keywords
- gas
- film
- temperature
- arrangement
- ball
- Prior art date
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 16
- 229920001169 thermoplastic Polymers 0.000 title claims description 10
- 229920000642 polymer Polymers 0.000 claims description 24
- 238000001125 extrusion Methods 0.000 claims description 17
- 239000011888 foil Substances 0.000 claims description 14
- 230000007704 transition Effects 0.000 claims description 14
- 238000001816 cooling Methods 0.000 claims description 10
- 244000025254 Cannabis sativa Species 0.000 claims description 7
- 239000013013 elastic material Substances 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims 1
- 239000004416 thermosoftening plastic Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000012815 thermoplastic material Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 241000239290 Araneae Species 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000001404 mediated effect Effects 0.000 description 1
- 239000012768 molten material Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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
- B29C48/89—Internal treatment, e.g. by applying an internal cooling fluid stream
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (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 |
|---|---|---|---|
| US62014867A | 1967-03-02 | 1967-03-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1704668A1 true DE1704668A1 (de) | 1971-05-27 |
Family
ID=24484788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19681704668 Pending DE1704668A1 (de) | 1967-03-02 | 1968-02-08 | Verfahren und Vorrichtung zum Herstellen schlauchfoermiger Folien aus thermoplastischen Polymeren |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE1704668A1 (enrdf_load_stackoverflow) |
| FR (1) | FR1555235A (enrdf_load_stackoverflow) |
| GB (1) | GB1147418A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2515103A1 (fr) * | 1981-10-28 | 1983-04-29 | Ems Ind | Dispositif pour le refroidissement d'une feuille tubulaire de matiere plastique et procede s'y rapportant |
| US6068462A (en) * | 1997-12-02 | 2000-05-30 | Brampton Engineering, Inc. | Apparatus for continuously forming a blown film |
-
1968
- 1968-01-24 GB GB3771/68A patent/GB1147418A/en not_active Expired
- 1968-02-08 DE DE19681704668 patent/DE1704668A1/de active Pending
- 1968-02-28 FR FR1555235D patent/FR1555235A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1555235A (enrdf_load_stackoverflow) | 1969-01-24 |
| GB1147418A (en) | 1969-04-02 |
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