DE2247286A1 - Schneckenpresse fuer thermoplastische kunststoffe od. dgl - Google Patents
Schneckenpresse fuer thermoplastische kunststoffe od. dglInfo
- Publication number
- DE2247286A1 DE2247286A1 DE19722247286 DE2247286A DE2247286A1 DE 2247286 A1 DE2247286 A1 DE 2247286A1 DE 19722247286 DE19722247286 DE 19722247286 DE 2247286 A DE2247286 A DE 2247286A DE 2247286 A1 DE2247286 A1 DE 2247286A1
- Authority
- DE
- Germany
- Prior art keywords
- screw
- recesses
- wall
- chambers
- chamber
- 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
- 229920001169 thermoplastic Polymers 0.000 title claims description 7
- 239000004416 thermosoftening plastic Substances 0.000 claims description 5
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 2
- 239000004033 plastic Substances 0.000 description 14
- 229920003023 plastic Polymers 0.000 description 14
- 238000005461 lubrication Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 230000010006 flight Effects 0.000 description 2
- 241000237858 Gastropoda Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 210000001520 comb Anatomy 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000011258 core-shell material Substances 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000010437 gem Substances 0.000 description 1
- 229910001751 gemstone Inorganic materials 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000003879 lubricant additive Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
- B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
- B29B7/486—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws with screws surrounded by a casing provided with grooves or cavities
-
- 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
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
-
- 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
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
- B29C48/41—Intermeshing counter-rotating 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
- B29C48/25—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
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
- B29C48/435—Sub-screws
- B29C48/44—Planetary 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
- B29C48/25—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
- B29C48/68—Barrels or cylinders
- B29C48/685—Barrels or cylinders characterised by their inner surfaces, e.g. having grooves, projections or threads
- B29C48/686—Barrels or cylinders characterised by their inner surfaces, e.g. having grooves, projections or threads having grooves or cavities
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722247286 DE2247286A1 (de) | 1972-09-27 | 1972-09-27 | Schneckenpresse fuer thermoplastische kunststoffe od. dgl |
| CH963573A CH563862A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-09-27 | 1973-07-02 | |
| AT630873A AT334612B (de) | 1972-09-27 | 1973-07-17 | Schneckenpresse fur thermoplastische kunststoffe od.dgl. |
| GB3884673A GB1440100A (en) | 1972-09-27 | 1973-08-16 | Multiple worm extrusion press |
| FR7329945A FR2200105B3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-09-27 | 1973-08-17 | |
| US400059A US3927869A (en) | 1972-09-27 | 1973-09-24 | Multiscrew extruder |
| IT52726/73A IT996199B (it) | 1972-09-27 | 1973-09-25 | Pressa a coclea per materiali sinte tici termoplastici o simili |
| JP48108329A JPS4972357A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-09-27 | 1973-09-26 | |
| BR7490/73A BR7307490D0 (pt) | 1972-09-27 | 1973-09-26 | Aperfeicoamentos em prensa de extrusao com parafuso sem fim para material sintetico termoplastico ou semelhante |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722247286 DE2247286A1 (de) | 1972-09-27 | 1972-09-27 | Schneckenpresse fuer thermoplastische kunststoffe od. dgl |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2247286A1 true DE2247286A1 (de) | 1974-03-28 |
Family
ID=5857474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19722247286 Pending DE2247286A1 (de) | 1972-09-27 | 1972-09-27 | Schneckenpresse fuer thermoplastische kunststoffe od. dgl |
Country Status (9)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4556324A (en) * | 1984-05-01 | 1985-12-03 | E. I. Du Pont De Nemours And Company | Apparatus for forming films of constant thickness |
| FR2755888B1 (fr) * | 1996-11-21 | 1999-01-29 | Clextral | Procede d'usinage d'un alesage dans un fourreau d'une machine d'extrusion et fourreau de machine d'extrusion |
| GB2401399A (en) * | 2003-05-08 | 2004-11-10 | Automotive Motion Tech Ltd | Casing wall recesses reduce shear loss in screw pumps |
| GB2422327A (en) * | 2005-01-25 | 2006-07-26 | George Martin Gale | Thermoplastic laboratory mixer |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2588888A (en) * | 1949-02-08 | 1952-03-11 | Laval Steam Turbine Co | Pump |
| US3291061A (en) * | 1963-07-23 | 1966-12-13 | Kosaka Kenkyusho Ltd | Screw pump or hydraulic screw motor |
| AT300316B (de) * | 1968-11-18 | 1972-07-25 | Dorplastex A G | Mehrschneckenextruder |
-
1972
- 1972-09-27 DE DE19722247286 patent/DE2247286A1/de active Pending
-
1973
- 1973-07-02 CH CH963573A patent/CH563862A5/xx not_active IP Right Cessation
- 1973-07-17 AT AT630873A patent/AT334612B/de not_active IP Right Cessation
- 1973-08-16 GB GB3884673A patent/GB1440100A/en not_active Expired
- 1973-08-17 FR FR7329945A patent/FR2200105B3/fr not_active Expired
- 1973-09-24 US US400059A patent/US3927869A/en not_active Expired - Lifetime
- 1973-09-25 IT IT52726/73A patent/IT996199B/it active
- 1973-09-26 JP JP48108329A patent/JPS4972357A/ja active Pending
- 1973-09-26 BR BR7490/73A patent/BR7307490D0/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4972357A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-07-12 |
| GB1440100A (en) | 1976-06-23 |
| AT334612B (de) | 1976-01-25 |
| FR2200105A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-04-19 |
| ATA630873A (de) | 1976-05-15 |
| BR7307490D0 (pt) | 1974-09-05 |
| US3927869A (en) | 1975-12-23 |
| IT996199B (it) | 1975-12-10 |
| FR2200105B3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1976-07-30 |
| CH563862A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-07-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE3030541C2 (de) | Vorrichtung zur kontinuierlichen Herstellung hochmolekularer Polymerer | |
| DE3820320C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| DE1207074B (de) | Verfahren und Vorrichtung zum Verarbeiten von thermoplastischen Kunststoffen in einer Schneckenpresse | |
| EP1523403B1 (de) | Extruder | |
| DE1502335B2 (de) | Schneckenstrangprese fuer die verarbeitung von kunststoff | |
| DE3586538T2 (de) | Zahnradpumpen. | |
| DE1253447B (de) | Schneckenpresse | |
| DE2222975A1 (de) | Extrusionsvorrichtung | |
| DE19924024A1 (de) | Kontinuierliche Knetmaschine, darin verwendeter Rotor und Materialabführverfahren | |
| DE3010659A1 (de) | Doppelschneckenextruder mit verschleisseinsatz | |
| DE2247286A1 (de) | Schneckenpresse fuer thermoplastische kunststoffe od. dgl | |
| DE2854207C3 (de) | Schneckenextruder zum kontinuierlichen Aufbereiten plastifizierbarer Massen | |
| DE4114609C2 (de) | Hochleistungsextruder mit konstanter Gangzahl im Einlauf- und Auslaufbereich eines Transferscherteiles | |
| DE4120016C1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| EP0595190B1 (de) | Doppelschneckenextruder | |
| DE4209179C1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| DE3043306A1 (de) | Doppelschneckenextruder mit verschleissfestem bimetall-einsatz | |
| DE2934297A1 (de) | Mehrgaengige extruderschnecke | |
| DE1166460B (de) | Schneckenpresse mit zwanglaeufiger Foerderung in der Einzugszone | |
| EP0216255A2 (de) | Extruder zur Plastifizierung und Homogenisierung von PVC-Kunststoffen | |
| DE2936592A1 (de) | Schneckenpresse. | |
| DE4114610C2 (de) | Stifttransferextruder | |
| DE2104492B2 (de) | Schneckenstrangpresse zum foerdern, plastifizieren und mischen von thermoplastischen oder nicht vernetzten elastomeren massen | |
| DE2649045A1 (de) | Einwellen-mehrstoff-extruder mit schneckengaengen | |
| DE1155232B (de) | Schneckenstrangpresse zur Verarbeitung thermoplastischer Kunststoffe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHA | Expiration of time for request for examination |