DE883338C - Strangpresse - Google Patents
StrangpresseInfo
- Publication number
- DE883338C DE883338C DES19295D DES0019295D DE883338C DE 883338 C DE883338 C DE 883338C DE S19295 D DES19295 D DE S19295D DE S0019295 D DES0019295 D DE S0019295D DE 883338 C DE883338 C DE 883338C
- Authority
- DE
- Germany
- Prior art keywords
- extrusion press
- outlet opening
- gradually decreases
- extruder according
- filling
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
- B30B11/22—Extrusion presses; Dies therefor
- B30B11/24—Extrusion presses; Dies therefor using screws or worms
- B30B11/243—Extrusion presses; Dies therefor using screws or worms using two or more screws working in the same chamber
-
- 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
-
- 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
- B29C48/402—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 the screws having intermeshing parts
-
- 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
- B29C48/52—Screws with an outer diameter varying along the longitudinal axis, e.g. for obtaining different thread clearance
- B29C48/525—Conical 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)
Description
Hierzu 1 Blatt Zeichnungen
1 509663 3.56
Claims (3)
1. Strangpresse mit zwei oder mehr miteinander kämmenden Förderschnecken, dadurch
gekennzeichnet, daß zwischen dem Einfülltrichter und der Austrittsöffnung der Füllmasse der
Außendurchmesser des Schneckengewindes allmählich abnimmt, während gleichzeitig in
gleichem Maße der Schneckendurchmesser zunimmt.
2. Strangpresse nach Anspruch i, dadurch gekennzeichnet,
daß die Gewindeganghöhe allmählich von der Einfüll- bis zur Austrittsöffnung des Preßgutes abnimmt.
3. Strangpresse nach Anspruch 1 und 2, dadurch
gekennzeichnet, daß das Schneckengewinde flachgängig ist.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT620684X | 1943-05-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE883338C true DE883338C (de) | 1956-03-08 |
Family
ID=11293273
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DES19295D Expired DE883338C (de) | 1943-05-06 | 1944-07-20 | Strangpresse |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE456090A (de) |
CH (1) | CH242208A (de) |
DE (1) | DE883338C (de) |
FR (1) | FR904317A (de) |
GB (1) | GB620684A (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2446420A1 (de) * | 1974-09-28 | 1976-04-15 | Krauss Maffei Ag | Schneckenpresse zum verarbeiten von kunststoffen |
EP0112326A2 (de) * | 1982-12-21 | 1984-06-27 | Cincinnati Milacron Austria Aktiengesellschaft | Schneckenstrangpresse |
EP0358837A1 (de) * | 1988-09-14 | 1990-03-21 | FRATELLI BABBINI & C. sas | Entwässerungsschneckenpresse mit zwei oder mehr schraubenförmigen Elementen mit ineinandergreifenden Profilen |
DE4115583A1 (de) * | 1991-05-13 | 1992-11-19 | Johannes Dr Ing Weber | Mehrfachschneckenextruder |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE879861C (de) * | 1950-08-04 | 1953-06-15 | August Georg Schaefer | Fuellwalze fuer Schneckenpressen zur Herstellung von duennwandigen, masshaltigen Strangartikeln, insbesondere von Umhuellungen fuer elektrische Leitungen |
NO146803C (no) * | 1980-06-13 | 1984-06-01 | Stord Bartz As | Anordning ved skruepresse |
DE8138295U1 (de) * | 1980-06-13 | 1982-09-23 | Stord Bartz A/S, 5000 Bergen | Schraubenpresse |
JP3086217B1 (ja) * | 1999-05-07 | 2000-09-11 | 財団法人工業技術研究院 | デュアルスクリュー回転子装置 |
-
0
- BE BE456090D patent/BE456090A/xx unknown
-
1944
- 1944-05-15 CH CH242208D patent/CH242208A/it unknown
- 1944-05-17 FR FR904317D patent/FR904317A/fr not_active Expired
- 1944-07-20 DE DES19295D patent/DE883338C/de not_active Expired
-
1946
- 1946-05-02 GB GB13331/46A patent/GB620684A/en not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2446420A1 (de) * | 1974-09-28 | 1976-04-15 | Krauss Maffei Ag | Schneckenpresse zum verarbeiten von kunststoffen |
EP0112326A2 (de) * | 1982-12-21 | 1984-06-27 | Cincinnati Milacron Austria Aktiengesellschaft | Schneckenstrangpresse |
EP0112326A3 (en) * | 1982-12-21 | 1985-03-13 | Cincinnati Milacron Austria Aktiengesellschaft | Screw extruder |
EP0358837A1 (de) * | 1988-09-14 | 1990-03-21 | FRATELLI BABBINI & C. sas | Entwässerungsschneckenpresse mit zwei oder mehr schraubenförmigen Elementen mit ineinandergreifenden Profilen |
DE4115583A1 (de) * | 1991-05-13 | 1992-11-19 | Johannes Dr Ing Weber | Mehrfachschneckenextruder |
Also Published As
Publication number | Publication date |
---|---|
BE456090A (de) | 1900-01-01 |
CH242208A (it) | 1946-04-30 |
FR904317A (fr) | 1945-11-02 |
GB620684A (en) | 1949-03-29 |
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