FR904317A - Worm die - Google Patents
Worm dieInfo
- Publication number
- FR904317A FR904317A FR904317DA FR904317A FR 904317 A FR904317 A FR 904317A FR 904317D A FR904317D A FR 904317DA FR 904317 A FR904317 A FR 904317A
- Authority
- FR
- France
- Prior art keywords
- worm
- die
- worm die
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT620684X | 1943-05-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR904317A true FR904317A (en) | 1945-11-02 |
Family
ID=11293273
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR904317D Expired FR904317A (en) | 1943-05-06 | 1944-05-17 | Worm die |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE456090A (en) |
CH (1) | CH242208A (en) |
DE (1) | DE883338C (en) |
FR (1) | FR904317A (en) |
GB (1) | GB620684A (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE879861C (en) * | 1950-08-04 | 1953-06-15 | August Georg Schaefer | Filling roller for screw presses for the production of thin-walled, dimensionally stable extruded articles, in particular of covers for electrical cables |
DE2446420C2 (en) * | 1974-09-28 | 1982-07-15 | Krauss-Maffei AG, 8000 München | Screw extruder for processing plastics |
DE8138295U1 (en) * | 1980-06-13 | 1982-09-23 | Stord Bartz A/S, 5000 Bergen | SCREW PRESS |
NO146803C (en) * | 1980-06-13 | 1984-06-01 | Stord Bartz As | SCREW PRESSURE DEVICE |
AT376397B (en) * | 1982-12-21 | 1984-11-12 | Cincinnati Milacron Austria | SCREW EXTRUSION PRESS |
DE3888533T3 (en) * | 1988-09-14 | 2004-03-04 | Fratelli Babbini & C. Sas, Civitella Di Romagna | Dewatering screw press with two or more screw-shaped elements with interlocking profiles. |
DE4115583A1 (en) * | 1991-05-13 | 1992-11-19 | Johannes Dr Ing Weber | MULTIPLE SCREW EXTRUDERS |
JP3086217B1 (en) * | 1999-05-07 | 2000-09-11 | 財団法人工業技術研究院 | Dual screw rotor device |
-
0
- BE BE456090D patent/BE456090A/xx unknown
-
1944
- 1944-05-15 CH CH242208D patent/CH242208A/en unknown
- 1944-05-17 FR FR904317D patent/FR904317A/en not_active Expired
- 1944-07-20 DE DES19295D patent/DE883338C/en not_active Expired
-
1946
- 1946-05-02 GB GB13331/46A patent/GB620684A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE456090A (en) | 1900-01-01 |
GB620684A (en) | 1949-03-29 |
CH242208A (en) | 1946-04-30 |
DE883338C (en) | 1956-03-08 |
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