DE2540629B2 - Verfahren und vorrichtung zum laengsstrecken einer folienbahn aus thermoplastischem kunststoff - Google Patents
Verfahren und vorrichtung zum laengsstrecken einer folienbahn aus thermoplastischem kunststoffInfo
- Publication number
- DE2540629B2 DE2540629B2 DE19752540629 DE2540629A DE2540629B2 DE 2540629 B2 DE2540629 B2 DE 2540629B2 DE 19752540629 DE19752540629 DE 19752540629 DE 2540629 A DE2540629 A DE 2540629A DE 2540629 B2 DE2540629 B2 DE 2540629B2
- Authority
- DE
- Germany
- Prior art keywords
- film web
- film
- stretching
- cooling
- web
- 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.)
- Ceased
Links
- 238000000034 method Methods 0.000 title claims description 20
- 230000008569 process Effects 0.000 title description 8
- 229920001169 thermoplastic Polymers 0.000 title description 3
- 238000001816 cooling Methods 0.000 claims description 36
- 239000012815 thermoplastic material Substances 0.000 claims description 2
- 239000011888 foil Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 6
- 238000009826 distribution Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 239000004033 plastic Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000001627 detrimental effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 229920001283 Polyalkylene terephthalate Polymers 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000008570 general process Effects 0.000 description 1
- 238000009998 heat setting Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 238000004804 winding 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
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
- B29C55/04—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique
- B29C55/06—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed
-
- 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
-
- 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
- B29C48/91—Heating, e.g. for cross linking
-
- 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
- B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
- B29C48/914—Cooling drums
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)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752540629 DE2540629B2 (de) | 1975-09-12 | 1975-09-12 | Verfahren und vorrichtung zum laengsstrecken einer folienbahn aus thermoplastischem kunststoff |
| LU75771A LU75771A1 (en:Method) | 1975-09-12 | 1976-09-10 | |
| FR7627253A FR2323515A1 (fr) | 1975-09-12 | 1976-09-10 | Procede et dispositif pour l'amelioration, en cours de fabrication par etirage, du profil de l'epaisseur de feuilles planes thermoplastiques |
| JP51109728A JPS5235271A (en) | 1975-09-12 | 1976-09-13 | Method of improving distribution of thickness by debit method in manufacturing of elongation sheet from thermoplastic plastic and its apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752540629 DE2540629B2 (de) | 1975-09-12 | 1975-09-12 | Verfahren und vorrichtung zum laengsstrecken einer folienbahn aus thermoplastischem kunststoff |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2540629A1 DE2540629A1 (de) | 1977-03-24 |
| DE2540629B2 true DE2540629B2 (de) | 1977-10-06 |
Family
ID=5956265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19752540629 Ceased DE2540629B2 (de) | 1975-09-12 | 1975-09-12 | Verfahren und vorrichtung zum laengsstrecken einer folienbahn aus thermoplastischem kunststoff |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS5235271A (en:Method) |
| DE (1) | DE2540629B2 (en:Method) |
| FR (1) | FR2323515A1 (en:Method) |
| LU (1) | LU75771A1 (en:Method) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004004084A1 (de) * | 2004-01-27 | 2005-08-18 | Treofan Germany Gmbh & Co.Kg | Verfahren und Vorrichtung zum Längsstrecken einer Folienbahn |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4430641A (en) * | 1981-05-11 | 1984-02-07 | Tektronix, Inc. | Charge-pump glitch filter |
-
1975
- 1975-09-12 DE DE19752540629 patent/DE2540629B2/de not_active Ceased
-
1976
- 1976-09-10 FR FR7627253A patent/FR2323515A1/fr active Granted
- 1976-09-10 LU LU75771A patent/LU75771A1/xx unknown
- 1976-09-13 JP JP51109728A patent/JPS5235271A/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004004084A1 (de) * | 2004-01-27 | 2005-08-18 | Treofan Germany Gmbh & Co.Kg | Verfahren und Vorrichtung zum Längsstrecken einer Folienbahn |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2323515B1 (en:Method) | 1978-10-20 |
| JPS5235271A (en) | 1977-03-17 |
| FR2323515A1 (fr) | 1977-04-08 |
| LU75771A1 (en:Method) | 1978-05-12 |
| DE2540629A1 (de) | 1977-03-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BGA | New person/name/address of the applicant | ||
| BHV | Refusal |