DE2329754A1 - Foerderschnecke fuer strangpressmaschinen u. dgl - Google Patents
Foerderschnecke fuer strangpressmaschinen u. dglInfo
- Publication number
- DE2329754A1 DE2329754A1 DE2329754A DE2329754A DE2329754A1 DE 2329754 A1 DE2329754 A1 DE 2329754A1 DE 2329754 A DE2329754 A DE 2329754A DE 2329754 A DE2329754 A DE 2329754A DE 2329754 A1 DE2329754 A1 DE 2329754A1
- Authority
- DE
- Germany
- Prior art keywords
- conveyor
- screw
- section
- trough
- intermediate section
- 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 claims description 17
- 239000000463 material Substances 0.000 claims description 46
- 238000010438 heat treatment Methods 0.000 claims description 16
- 239000004033 plastic Substances 0.000 claims description 15
- 229920003023 plastic Polymers 0.000 claims description 15
- 230000007423 decrease Effects 0.000 claims description 11
- 238000002844 melting Methods 0.000 claims description 11
- 230000008018 melting Effects 0.000 claims description 11
- 239000012768 molten material Substances 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 8
- 230000004323 axial length Effects 0.000 claims 2
- 239000002994 raw material Substances 0.000 description 8
- 230000008859 change Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 230000000750 progressive effect Effects 0.000 description 5
- 230000003247 decreasing effect Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 238000010309 melting process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000007787 solid Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 241001233037 catfish Species 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 125000001475 halogen functional group Chemical group 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000007425 progressive decline Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000012546 transfer 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
-
- 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2825772A GB1434368A (en) | 1972-06-16 | 1972-06-16 | Feed screws and apparatus such as extrusion machines especially fo working plastics materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2329754A1 true DE2329754A1 (de) | 1974-01-03 |
Family
ID=10272791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2329754A Pending DE2329754A1 (de) | 1972-06-16 | 1973-06-12 | Foerderschnecke fuer strangpressmaschinen u. dgl |
Country Status (5)
| Country | Link |
|---|---|
| CH (1) | CH557737A (enExample) |
| DE (1) | DE2329754A1 (enExample) |
| FR (1) | FR2189201B1 (enExample) |
| GB (1) | GB1434368A (enExample) |
| IT (1) | IT985680B (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2542515C3 (de) * | 1975-09-24 | 1980-09-04 | Paul Troester Maschinenfabrik, 3000 Hannover | Extruderschnecke für die Verarbeitung von Kunststoffen und Kautschuk |
| GB8531919D0 (en) * | 1985-12-31 | 1986-02-05 | Alphair Ventilating Systems | Auger construction for concrete slabs |
-
1972
- 1972-06-16 GB GB2825772A patent/GB1434368A/en not_active Expired
-
1973
- 1973-06-12 DE DE2329754A patent/DE2329754A1/de active Pending
- 1973-06-13 IT IT50768/73A patent/IT985680B/it active
- 1973-06-14 CH CH863073A patent/CH557737A/xx not_active IP Right Cessation
- 1973-06-15 FR FR7321895A patent/FR2189201B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT985680B (it) | 1974-12-10 |
| CH557737A (de) | 1975-01-15 |
| FR2189201B1 (enExample) | 1976-09-17 |
| GB1434368A (en) | 1976-05-05 |
| FR2189201A1 (enExample) | 1974-01-25 |
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