IT8753765V0 - Dispositivo per condizionare masse termoplastiche fuse nell estrusione di schiume - Google Patents
Dispositivo per condizionare masse termoplastiche fuse nell estrusione di schiumeInfo
- Publication number
- IT8753765V0 IT8753765V0 IT8753765U IT5376587U IT8753765V0 IT 8753765 V0 IT8753765 V0 IT 8753765V0 IT 8753765 U IT8753765 U IT 8753765U IT 5376587 U IT5376587 U IT 5376587U IT 8753765 V0 IT8753765 V0 IT 8753765V0
- Authority
- IT
- Italy
- Prior art keywords
- melted
- foam extrusion
- thermoplastic masses
- conditioning
- conditioning thermoplastic
- Prior art date
Links
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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/3442—Mixing, kneading or conveying the foamable material
-
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/36—Feeding the material to be shaped
- B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
- B29C44/50—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying
-
- 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
- B29C48/695—Flow dividers, e.g. breaker plates
- B29C48/70—Flow dividers, e.g. breaker plates comprising means for dividing, distributing and recombining melt flows
-
- 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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
- B29C48/87—Cooling
-
- 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)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DD86295680A DD261271A3 (de) | 1986-10-29 | 1986-10-29 | Vorrichtung zum konditionieren von thermoplastschmelzen beim extrusionsschaeumen |
Publications (1)
Publication Number | Publication Date |
---|---|
IT8753765V0 true IT8753765V0 (it) | 1987-10-27 |
Family
ID=5583392
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT67900/87A IT1221821B (it) | 1986-10-29 | 1987-10-27 | Dispositivo per condizionare masse termoplastiche fuse nell estrusione di schiume |
IT8753765U IT8753765V0 (it) | 1986-10-29 | 1987-10-27 | Dispositivo per condizionare masse termoplastiche fuse nell estrusione di schiume |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT67900/87A IT1221821B (it) | 1986-10-29 | 1987-10-27 | Dispositivo per condizionare masse termoplastiche fuse nell estrusione di schiume |
Country Status (3)
Country | Link |
---|---|
DD (1) | DD261271A3 (it) |
DE (1) | DE3732731A1 (it) |
IT (2) | IT1221821B (it) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4445149B4 (de) * | 1994-12-17 | 2004-10-07 | Rieter Automatik Gmbh | Meßkopf für Extruder |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3751377A (en) * | 1971-08-19 | 1973-08-07 | Dow Chemical Co | Method for the preparation of plastic foam |
IT1109660B (it) * | 1978-02-23 | 1985-12-23 | Lavorazione Mat Plast | Perfezionamento all estrusione di schiume sintetiche |
US4424287A (en) * | 1980-06-10 | 1984-01-03 | Mobil Oil Corporation | Polymer foam process |
DD288187A5 (de) * | 1989-06-26 | 1991-03-21 | Veb Gisag,De | Vorrichtung zur mischgutverteilung |
-
1986
- 1986-10-29 DD DD86295680A patent/DD261271A3/de not_active IP Right Cessation
-
1987
- 1987-09-29 DE DE19873732731 patent/DE3732731A1/de active Granted
- 1987-10-27 IT IT67900/87A patent/IT1221821B/it active
- 1987-10-27 IT IT8753765U patent/IT8753765V0/it unknown
Also Published As
Publication number | Publication date |
---|---|
DE3732731C2 (it) | 1989-12-07 |
IT8767900A0 (it) | 1987-10-27 |
DE3732731A1 (de) | 1988-05-05 |
DD261271A3 (de) | 1988-10-26 |
IT1221821B (it) | 1990-07-12 |
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