CA1069268A - Methode et appareil pour l'utilisation d'un pourcentage eleve de resines de rebut dans une presse a extruder - Google Patents
Methode et appareil pour l'utilisation d'un pourcentage eleve de resines de rebut dans une presse a extruderInfo
- Publication number
- CA1069268A CA1069268A CA244,969A CA244969A CA1069268A CA 1069268 A CA1069268 A CA 1069268A CA 244969 A CA244969 A CA 244969A CA 1069268 A CA1069268 A CA 1069268A
- Authority
- CA
- Canada
- Prior art keywords
- resin
- extruder
- feed inlet
- scrap
- barrel
- 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
- 229920005989 resin Polymers 0.000 title claims abstract description 177
- 239000011347 resin Substances 0.000 title claims abstract description 177
- 238000000034 method Methods 0.000 title claims abstract description 33
- 230000005484 gravity Effects 0.000 claims abstract description 22
- 235000003642 hunger Nutrition 0.000 claims abstract description 16
- 230000037351 starvation Effects 0.000 claims abstract description 15
- 229920013716 polyethylene resin Polymers 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 63
- 229920005992 thermoplastic resin Polymers 0.000 claims description 37
- 238000000227 grinding Methods 0.000 claims description 22
- 238000001125 extrusion Methods 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 16
- 239000008188 pellet Substances 0.000 claims description 13
- 229920001169 thermoplastic Polymers 0.000 claims description 7
- 239000004416 thermosoftening plastic Substances 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims description 2
- 235000012438 extruded product Nutrition 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims 1
- 239000004698 Polyethylene Substances 0.000 abstract description 10
- -1 polyethylene Polymers 0.000 abstract description 10
- 229920000573 polyethylene Polymers 0.000 abstract description 9
- 229920001903 high density polyethylene Polymers 0.000 abstract 1
- 239000004700 high-density polyethylene Substances 0.000 abstract 1
- 229920003023 plastic Polymers 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 238000004064 recycling Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- 101150034533 ATIC gene Proteins 0.000 description 1
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 1
- 244000046052 Phaseolus vulgaris Species 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Landscapes
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA244,969A CA1069268A (fr) | 1976-01-30 | 1976-01-30 | Methode et appareil pour l'utilisation d'un pourcentage eleve de resines de rebut dans une presse a extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA244,969A CA1069268A (fr) | 1976-01-30 | 1976-01-30 | Methode et appareil pour l'utilisation d'un pourcentage eleve de resines de rebut dans une presse a extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1069268A true CA1069268A (fr) | 1980-01-08 |
Family
ID=4105147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA244,969A Expired CA1069268A (fr) | 1976-01-30 | 1976-01-30 | Methode et appareil pour l'utilisation d'un pourcentage eleve de resines de rebut dans une presse a extruder |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1069268A (fr) |
-
1976
- 1976-01-30 CA CA244,969A patent/CA1069268A/fr not_active Expired
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |