CA1099467A - Methode et dispositif de faconnage de tubes faits de pellicule - Google Patents
Methode et dispositif de faconnage de tubes faits de pelliculeInfo
- Publication number
- CA1099467A CA1099467A CA298,045A CA298045A CA1099467A CA 1099467 A CA1099467 A CA 1099467A CA 298045 A CA298045 A CA 298045A CA 1099467 A CA1099467 A CA 1099467A
- Authority
- CA
- Canada
- Prior art keywords
- section
- stabilizing means
- extrusion die
- tubular film
- upwardly
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000007493 shaping process Methods 0.000 title claims description 15
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 34
- 238000001816 cooling Methods 0.000 claims abstract description 15
- 229920003002 synthetic resin Polymers 0.000 claims abstract description 10
- 239000000057 synthetic resin Substances 0.000 claims abstract description 10
- 229920000642 polymer Polymers 0.000 claims abstract description 9
- 229920005989 resin Polymers 0.000 claims description 36
- 239000011347 resin Substances 0.000 claims description 36
- 238000001125 extrusion Methods 0.000 claims description 15
- 239000002985 plastic film Substances 0.000 claims description 2
- 229920006255 plastic film Polymers 0.000 claims description 2
- 230000001174 ascending effect Effects 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 230000000875 corresponding effect Effects 0.000 description 3
- 229920001903 high density polyethylene Polymers 0.000 description 3
- 239000004700 high-density polyethylene Substances 0.000 description 3
- 230000000977 initiatory effect Effects 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001684 low density polyethylene Polymers 0.000 description 1
- 239000004702 low-density polyethylene Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000155 melt Substances 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
- 230000037303 wrinkles Effects 0.000 description 1
Landscapes
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA298,045A CA1099467A (fr) | 1978-03-02 | 1978-03-02 | Methode et dispositif de faconnage de tubes faits de pellicule |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA298,045A CA1099467A (fr) | 1978-03-02 | 1978-03-02 | Methode et dispositif de faconnage de tubes faits de pellicule |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1099467A true CA1099467A (fr) | 1981-04-21 |
Family
ID=4110899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA298,045A Expired CA1099467A (fr) | 1978-03-02 | 1978-03-02 | Methode et dispositif de faconnage de tubes faits de pellicule |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1099467A (fr) |
-
1978
- 1978-03-02 CA CA298,045A patent/CA1099467A/fr not_active Expired
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |