DE2120492A1 - Thermoplastics extrusion using screw with auxiliary thread - Google Patents
Thermoplastics extrusion using screw with auxiliary threadInfo
- Publication number
- DE2120492A1 DE2120492A1 DE19712120492 DE2120492A DE2120492A1 DE 2120492 A1 DE2120492 A1 DE 2120492A1 DE 19712120492 DE19712120492 DE 19712120492 DE 2120492 A DE2120492 A DE 2120492A DE 2120492 A1 DE2120492 A1 DE 2120492A1
- Authority
- DE
- Germany
- Prior art keywords
- screw
- core
- extruder
- flight
- elevations
- 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.)
- Pending
Links
- 238000001125 extrusion Methods 0.000 title description 4
- 229920001169 thermoplastic Polymers 0.000 title 1
- 239000004416 thermosoftening plastic Substances 0.000 title 1
- 238000012545 processing Methods 0.000 claims abstract description 7
- 239000004033 plastic Substances 0.000 claims abstract description 5
- 229920003023 plastic Polymers 0.000 claims abstract description 5
- 230000007704 transition Effects 0.000 claims description 15
- 238000007906 compression Methods 0.000 claims description 13
- 230000010006 flight Effects 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 230000002250 progressing effect Effects 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 5
- 239000004952 Polyamide Substances 0.000 abstract description 3
- 229920002647 polyamide Polymers 0.000 abstract description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 abstract description 2
- 239000005020 polyethylene terephthalate Substances 0.000 abstract description 2
- 229920000642 polymer Polymers 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 73
- 239000000155 melt Substances 0.000 description 16
- 239000002245 particle Substances 0.000 description 15
- 239000007787 solid Substances 0.000 description 14
- 238000000034 method Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 12
- 230000006835 compression Effects 0.000 description 11
- 238000010276 construction Methods 0.000 description 8
- 238000002156 mixing Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000011049 filling Methods 0.000 description 7
- 238000000926 separation method Methods 0.000 description 7
- 239000011343 solid material Substances 0.000 description 7
- 241000237858 Gastropoda Species 0.000 description 6
- 238000013461 design Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- 238000011161 development Methods 0.000 description 4
- 230000018109 developmental process Effects 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 238000010309 melting process Methods 0.000 description 4
- 230000000750 progressive effect Effects 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 238000000265 homogenisation Methods 0.000 description 3
- 238000011068 loading method Methods 0.000 description 3
- -1 polyethylene terephthalate Polymers 0.000 description 3
- 238000009736 wetting Methods 0.000 description 3
- 239000000470 constituent Substances 0.000 description 2
- 238000007872 degassing Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004898 kneading Methods 0.000 description 2
- 239000011344 liquid material Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000575 pesticide Substances 0.000 description 2
- 210000002435 tendon Anatomy 0.000 description 2
- 230000008646 thermal stress Effects 0.000 description 2
- 239000003190 viscoelastic substance Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000002781 deodorant agent Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000011346 highly viscous material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000000289 melt material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 238000009423 ventilation 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
- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/62—Screws characterised by the shape of the thread channel, e.g. U-shaped
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD14738870 | 1970-05-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2120492A1 true DE2120492A1 (en) | 1971-11-25 |
Family
ID=5482488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19712120492 Pending DE2120492A1 (en) | 1970-05-08 | 1971-04-27 | Thermoplastics extrusion using screw with auxiliary thread |
Country Status (5)
| Country | Link |
|---|---|
| BG (1) | BG20671A1 (enrdf_load_stackoverflow) |
| CH (1) | CH535109A (enrdf_load_stackoverflow) |
| CS (1) | CS165015B1 (enrdf_load_stackoverflow) |
| DE (1) | DE2120492A1 (enrdf_load_stackoverflow) |
| SU (1) | SU564169A1 (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2565685C2 (ru) * | 2010-11-30 | 2015-10-20 | Мицубиси Гэс Кемикал Компани, Инк. | Формованное изделие, имеющее превосходные барьерные свойства для топлива |
| DE102014219706B3 (de) * | 2014-09-29 | 2016-03-31 | Battenfeld-Cincinnati Austria Gmbh | Extruderschnecke |
| RU2754725C2 (ru) * | 2016-10-28 | 2021-09-06 | Дау Глоубл Текнолоджиз Ллк | Шнек для передачи энергии и улучшенный способ экструзии |
-
1971
- 1971-04-26 CH CH606771A patent/CH535109A/de not_active IP Right Cessation
- 1971-04-27 DE DE19712120492 patent/DE2120492A1/de active Pending
- 1971-05-05 BG BG17481A patent/BG20671A1/xx unknown
- 1971-05-07 CS CS3360A patent/CS165015B1/cs unknown
- 1971-05-07 SU SU7101655456A patent/SU564169A1/ru active
Also Published As
| Publication number | Publication date |
|---|---|
| CS165015B1 (enrdf_load_stackoverflow) | 1975-11-28 |
| CH535109A (de) | 1973-03-31 |
| BG20671A1 (enrdf_load_stackoverflow) | 1975-12-20 |
| SU564169A1 (ru) | 1977-07-05 |
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