DD261271A3 - Vorrichtung zum konditionieren von thermoplastschmelzen beim extrusionsschaeumen - Google Patents
Vorrichtung zum konditionieren von thermoplastschmelzen beim extrusionsschaeumen Download PDFInfo
- Publication number
- DD261271A3 DD261271A3 DD86295680A DD29568086A DD261271A3 DD 261271 A3 DD261271 A3 DD 261271A3 DD 86295680 A DD86295680 A DD 86295680A DD 29568086 A DD29568086 A DD 29568086A DD 261271 A3 DD261271 A3 DD 261271A3
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- torpedo
- melt
- cooling
- cooling channels
- shaped
- Prior art date
Links
- 238000001125 extrusion Methods 0.000 title claims abstract description 30
- 229920001169 thermoplastic Polymers 0.000 title claims abstract description 26
- 239000004416 thermosoftening plastic Substances 0.000 title claims abstract description 26
- 239000000155 melt Substances 0.000 title claims description 44
- 230000003750 conditioning effect Effects 0.000 title claims description 11
- 238000001816 cooling Methods 0.000 claims abstract description 58
- 238000005187 foaming Methods 0.000 claims abstract description 21
- 229910052751 metal Inorganic materials 0.000 claims abstract description 5
- 239000002184 metal Substances 0.000 claims abstract description 5
- 239000002826 coolant Substances 0.000 claims abstract description 4
- 238000009826 distribution Methods 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 2
- 238000005496 tempering Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 abstract description 11
- 239000002699 waste material Substances 0.000 abstract description 5
- 230000001737 promoting effect Effects 0.000 abstract 1
- 239000006260 foam Substances 0.000 description 9
- 239000007789 gas Substances 0.000 description 6
- 239000003380 propellant Substances 0.000 description 6
- 239000004793 Polystyrene Substances 0.000 description 5
- 229920002223 polystyrene Polymers 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 239000004604 Blowing Agent Substances 0.000 description 3
- 210000004027 cell Anatomy 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000010791 domestic waste Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 241000251729 Elasmobranchii Species 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD86295680A DD261271A3 (de) | 1986-10-29 | 1986-10-29 | Vorrichtung zum konditionieren von thermoplastschmelzen beim extrusionsschaeumen |
| DE19873732731 DE3732731A1 (de) | 1986-10-29 | 1987-09-29 | Vorrichtung zum konditionieren von thermoplastschmelzen beim extrusionsschaeumen |
| 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 |
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 |
|---|---|
| DD261271A3 true DD261271A3 (de) | 1988-10-26 |
Family
ID=5583392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD86295680A DD261271A3 (de) | 1986-10-29 | 1986-10-29 | Vorrichtung zum konditionieren von thermoplastschmelzen beim extrusionsschaeumen |
Country Status (3)
| Country | Link |
|---|---|
| DD (1) | DD261271A3 (enrdf_load_stackoverflow) |
| DE (1) | DE3732731A1 (enrdf_load_stackoverflow) |
| IT (2) | IT1221821B (enrdf_load_stackoverflow) |
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 |
|---|---|
| IT8753765V0 (it) | 1987-10-27 |
| IT8767900A0 (it) | 1987-10-27 |
| DE3732731C2 (enrdf_load_stackoverflow) | 1989-12-07 |
| IT1221821B (it) | 1990-07-12 |
| DE3732731A1 (de) | 1988-05-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ENJ | Ceased due to non-payment of renewal fee | ||
| WVSA | Restitution into prior status due to demand | ||
| ENJ | Ceased due to non-payment of renewal fee |