CA2526196C - Division reguliere du flux de matiere fondue lors de l'extrusion de films souffles - Google Patents
Division reguliere du flux de matiere fondue lors de l'extrusion de films souffles Download PDFInfo
- Publication number
- CA2526196C CA2526196C CA002526196A CA2526196A CA2526196C CA 2526196 C CA2526196 C CA 2526196C CA 002526196 A CA002526196 A CA 002526196A CA 2526196 A CA2526196 A CA 2526196A CA 2526196 C CA2526196 C CA 2526196C
- Authority
- CA
- Canada
- Prior art keywords
- flow
- die
- annular
- ring
- generally
- 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
- 238000001125 extrusion Methods 0.000 title claims abstract description 29
- 239000000463 material Substances 0.000 claims abstract description 46
- 238000009826 distribution Methods 0.000 claims description 95
- 238000005215 recombination Methods 0.000 claims description 95
- 230000006798 recombination Effects 0.000 claims description 95
- 230000004323 axial length Effects 0.000 claims 2
- 229920000642 polymer Polymers 0.000 description 41
- 238000013461 design Methods 0.000 description 24
- 239000000155 melt Substances 0.000 description 15
- 229920003023 plastic Polymers 0.000 description 14
- 239000004033 plastic Substances 0.000 description 14
- 238000000034 method Methods 0.000 description 12
- 238000001816 cooling Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 10
- 238000013459 approach Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 235000012771 pancakes Nutrition 0.000 description 5
- 230000015556 catabolic process Effects 0.000 description 4
- 238000006731 degradation reaction Methods 0.000 description 4
- 239000000088 plastic resin Substances 0.000 description 4
- 238000012935 Averaging Methods 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000012768 molten material Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000000518 rheometry Methods 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 235000001674 Agaricus brunnescens Nutrition 0.000 description 1
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 1
- 229920000426 Microplastic Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000002050 diffraction method Methods 0.000 description 1
- 238000011143 downstream manufacturing Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 238000012667 polymer degradation Methods 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 229940056345 tums Drugs 0.000 description 1
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/702,917 | 1996-08-26 | ||
| US08/702,917 US6190152B1 (en) | 1996-08-26 | 1996-08-26 | Regular division of molten extrusion flow |
| CA002235547A CA2235547C (fr) | 1996-08-26 | 1997-08-26 | Division reguliere du flux de matiere fondue lors de l'extrusion de films souffles |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002235547A Division CA2235547C (fr) | 1996-08-26 | 1997-08-26 | Division reguliere du flux de matiere fondue lors de l'extrusion de films souffles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2526196A1 CA2526196A1 (fr) | 1998-03-05 |
| CA2526196C true CA2526196C (fr) | 2009-11-17 |
Family
ID=35851941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002526196A Expired - Fee Related CA2526196C (fr) | 1996-08-26 | 1997-08-26 | Division reguliere du flux de matiere fondue lors de l'extrusion de films souffles |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2526196C (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT201900018530A1 (it) * | 2019-10-11 | 2021-04-11 | Sacmi | Apparato e metodo per ottenere dosi multistrato. |
| CN120620610B (zh) * | 2025-08-14 | 2025-10-10 | 四川中旺科技有限公司 | 一种双螺杆塑料挤出机机头 |
-
1997
- 1997-08-26 CA CA002526196A patent/CA2526196C/fr not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CA2526196A1 (fr) | 1998-03-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20160826 |