IT1024790B - Macchina per estrudere a due o piuviti - Google Patents
Macchina per estrudere a due o piuvitiInfo
- Publication number
- IT1024790B IT1024790B IT70297/74A IT7029774A IT1024790B IT 1024790 B IT1024790 B IT 1024790B IT 70297/74 A IT70297/74 A IT 70297/74A IT 7029774 A IT7029774 A IT 7029774A IT 1024790 B IT1024790 B IT 1024790B
- Authority
- IT
- Italy
- Prior art keywords
- extruding
- screws
- machine
- Prior art date
Links
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
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
- B29B9/065—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion under-water, e.g. underwater pelletizers
-
- 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
-
- 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
- B29C48/30—Extrusion nozzles or dies
- B29C48/345—Extrusion nozzles comprising two or more adjacently arranged ports, for simultaneously extruding multiple strands, e.g. for pelletising
-
- 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
- B29C48/405—Intermeshing co-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
- B29C48/03—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
- B29C48/04—Particle-shaped
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Formation And Processing Of Food Products (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7339885A FR2271032A1 (en) | 1973-11-09 | 1973-11-09 | Extrusion machine esp. for the food industry - with two material advancing screws and material outlet spinnerets in base |
FR7429481A FR2282992A2 (fr) | 1974-08-29 | 1974-08-29 | Machine d'extrusion de matieres |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1024790B true IT1024790B (it) | 1978-07-20 |
Family
ID=26218016
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT70297/74A IT1024790B (it) | 1973-11-09 | 1974-11-08 | Macchina per estrudere a due o piuviti |
Country Status (4)
Country | Link |
---|---|
GB (1) | GB1479169A (it) |
IT (1) | IT1024790B (it) |
LU (1) | LU71250A1 (it) |
NL (1) | NL7413920A (it) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3809735C1 (it) * | 1988-03-23 | 1989-06-08 | Werner & Pfleiderer Gmbh, 7000 Stuttgart, De | |
DE102008053799A1 (de) * | 2008-10-29 | 2010-05-06 | Bayer Materialscience Ag | Extrusionsdüse für Polymere |
DE202012004600U1 (de) * | 2012-05-08 | 2012-06-01 | Automatik Plastics Machinery Gmbh | Düseneinrichtung |
-
1974
- 1974-10-24 NL NL7413920A patent/NL7413920A/xx not_active Application Discontinuation
- 1974-11-04 GB GB47627/74A patent/GB1479169A/en not_active Expired
- 1974-11-07 LU LU71250A patent/LU71250A1/xx unknown
- 1974-11-08 IT IT70297/74A patent/IT1024790B/it active
Also Published As
Publication number | Publication date |
---|---|
LU71250A1 (it) | 1975-05-21 |
GB1479169A (en) | 1977-07-06 |
NL7413920A (nl) | 1975-05-13 |
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