CA1320320C - Procede de preparation d'un film etire et dispositif de preparation connexe - Google Patents
Procede de preparation d'un film etire et dispositif de preparation connexeInfo
- Publication number
- CA1320320C CA1320320C CA000589437A CA589437A CA1320320C CA 1320320 C CA1320320 C CA 1320320C CA 000589437 A CA000589437 A CA 000589437A CA 589437 A CA589437 A CA 589437A CA 1320320 C CA1320320 C CA 1320320C
- Authority
- CA
- Canada
- Prior art keywords
- film
- rolls
- nip rolls
- bubble
- pair
- 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.)
- Expired - Fee Related
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 238000005520 cutting process Methods 0.000 claims abstract description 45
- 230000002093 peripheral effect Effects 0.000 claims abstract description 17
- 238000010438 heat treatment Methods 0.000 claims abstract description 14
- 229920001169 thermoplastic Polymers 0.000 claims abstract description 8
- 239000004416 thermosoftening plastic Substances 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 10
- 230000001105 regulatory effect Effects 0.000 description 7
- 230000008859 change Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 229920000092 linear low density polyethylene Polymers 0.000 description 1
- 239000004707 linear low-density polyethylene Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Landscapes
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Making Paper Articles (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP1988/001143 WO1989004244A1 (fr) | 1987-11-12 | 1988-11-12 | Procede et installation de production de films etires |
| JPPCT/JP88/01143 | 1988-11-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1320320C true CA1320320C (fr) | 1993-07-20 |
Family
ID=13930873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000589437A Expired - Fee Related CA1320320C (fr) | 1988-11-12 | 1989-01-27 | Procede de preparation d'un film etire et dispositif de preparation connexe |
Country Status (3)
| Country | Link |
|---|---|
| CA (1) | CA1320320C (fr) |
| ES (1) | ES2012664A6 (fr) |
| ZA (1) | ZA89748B (fr) |
-
1989
- 1989-01-27 CA CA000589437A patent/CA1320320C/fr not_active Expired - Fee Related
- 1989-01-31 ZA ZA89748A patent/ZA89748B/xx unknown
- 1989-02-17 ES ES898900586A patent/ES2012664A6/es not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| ZA89748B (en) | 1990-01-31 |
| ES2012664A6 (es) | 1990-04-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKLA | Lapsed | ||
| MKLA | Lapsed |
Effective date: 20000720 |