DE3823222A1 - Scherelement einer plastizierschnecke zur plastizierung und homogenisierung polymerer materialien - Google Patents
Scherelement einer plastizierschnecke zur plastizierung und homogenisierung polymerer materialienInfo
- Publication number
- DE3823222A1 DE3823222A1 DE3823222A DE3823222A DE3823222A1 DE 3823222 A1 DE3823222 A1 DE 3823222A1 DE 3823222 A DE3823222 A DE 3823222A DE 3823222 A DE3823222 A DE 3823222A DE 3823222 A1 DE3823222 A1 DE 3823222A1
- Authority
- DE
- Germany
- Prior art keywords
- inlet
- plasticizing
- shear
- screw
- chambers
- 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.)
- Granted
Links
- 239000000463 material Substances 0.000 title claims abstract description 32
- 238000010008 shearing Methods 0.000 title claims abstract description 6
- 238000001746 injection moulding Methods 0.000 claims abstract description 3
- 230000004888 barrier function Effects 0.000 claims description 13
- 238000005520 cutting process Methods 0.000 claims description 2
- 238000003801 milling Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000004033 plastic Substances 0.000 description 7
- 229920003023 plastic Polymers 0.000 description 7
- 229920000642 polymer Polymers 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 241000237858 Gastropoda Species 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000011049 filling Methods 0.000 description 3
- 239000004014 plasticizer Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 239000000499 gel Substances 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000003685 thermal hair damage Effects 0.000 description 2
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 229920000092 linear low density polyethylene Polymers 0.000 description 1
- 239000004707 linear low-density polyethylene Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000007522 manual polishing technique Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000007787 solid Substances 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
- B29C48/56—Screws having grooves or cavities other than the thread or the channel
-
- 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)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD87305550A DD272967A3 (de) | 1987-07-31 | 1987-07-31 | Scherelement einer plastizierschnecke zur plastizierung und homogenisierung polymerer materialien |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3823222A1 true DE3823222A1 (de) | 1989-02-09 |
| DE3823222C2 DE3823222C2 (enrdf_load_stackoverflow) | 1989-11-16 |
Family
ID=5591204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE3823222A Granted DE3823222A1 (de) | 1987-07-31 | 1988-07-08 | Scherelement einer plastizierschnecke zur plastizierung und homogenisierung polymerer materialien |
Country Status (2)
| Country | Link |
|---|---|
| DD (1) | DD272967A3 (enrdf_load_stackoverflow) |
| DE (1) | DE3823222A1 (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993014921A1 (de) * | 1992-01-31 | 1993-08-05 | Maschinenfabrik S. Rockstedt Gmbh | Mehrwellige kontinuierlich arbeitende misch- und knetmaschine für plastifizierbare massen |
| CN114901452A (zh) * | 2020-01-23 | 2022-08-12 | 中田工程股份株式会社 | 螺杆、挤出机以及挤出方法 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3486192A (en) * | 1967-03-24 | 1969-12-30 | Union Carbide Corp | Apparatus for extrusion of thermoplastics |
-
1987
- 1987-07-31 DD DD87305550A patent/DD272967A3/de not_active IP Right Cessation
-
1988
- 1988-07-08 DE DE3823222A patent/DE3823222A1/de active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3486192A (en) * | 1967-03-24 | 1969-12-30 | Union Carbide Corp | Apparatus for extrusion of thermoplastics |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993014921A1 (de) * | 1992-01-31 | 1993-08-05 | Maschinenfabrik S. Rockstedt Gmbh | Mehrwellige kontinuierlich arbeitende misch- und knetmaschine für plastifizierbare massen |
| CN114901452A (zh) * | 2020-01-23 | 2022-08-12 | 中田工程股份株式会社 | 螺杆、挤出机以及挤出方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3823222C2 (enrdf_load_stackoverflow) | 1989-11-16 |
| DD272967A3 (de) | 1989-11-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: PLASTMASCHINENWERK SCHWERIN GMBH, O-2781 SCHWERIN, |
|
| 8327 | Change in the person/name/address of the patent owner |
Owner name: GEHRING SONDERMASCHINENBAU SCHWERIN GMBH, O-2781 S |
|
| 8339 | Ceased/non-payment of the annual fee |