DE4020950A1 - Coextrusionswerkzeug - Google Patents
CoextrusionswerkzeugInfo
- Publication number
- DE4020950A1 DE4020950A1 DE4020950A DE4020950A DE4020950A1 DE 4020950 A1 DE4020950 A1 DE 4020950A1 DE 4020950 A DE4020950 A DE 4020950A DE 4020950 A DE4020950 A DE 4020950A DE 4020950 A1 DE4020950 A1 DE 4020950A1
- Authority
- DE
- Germany
- Prior art keywords
- melt
- sheets
- distribution device
- coextrusion
- extruder
- 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.)
- Granted
Links
- 239000004033 plastic Substances 0.000 title abstract description 4
- 229920003023 plastic Polymers 0.000 title abstract description 4
- 239000012768 molten material Substances 0.000 title abstract 3
- 239000000155 melt Substances 0.000 claims description 34
- 239000002131 composite material Substances 0.000 claims description 3
- 229920001169 thermoplastic Polymers 0.000 claims description 3
- 238000010924 continuous production Methods 0.000 claims description 2
- 239000004416 thermosoftening plastic Substances 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract 3
- 150000001875 compounds Chemical class 0.000 abstract 1
- 239000002985 plastic film Substances 0.000 description 7
- 239000012815 thermoplastic material Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 229920006255 plastic film Polymers 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000007704 transition Effects 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
- 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
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
-
- 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
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
- B29C48/19—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their edges
-
- 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
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
- B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
-
- 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
- B29C48/305—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
- B29C48/307—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets specially adapted for bringing together components, e.g. melts within the die
-
- 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
- B29C48/49—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using two or more extruders to feed one die or nozzle
-
- 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
- B29C48/05—Filamentary, e.g. strands
-
- 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
- B29C48/07—Flat, e.g. panels
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4020950A DE4020950A1 (de) | 1990-06-30 | 1990-06-30 | Coextrusionswerkzeug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4020950A DE4020950A1 (de) | 1990-06-30 | 1990-06-30 | Coextrusionswerkzeug |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE4020950A1 true DE4020950A1 (de) | 1992-01-02 |
| DE4020950C2 DE4020950C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1992-05-21 |
Family
ID=6409457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE4020950A Granted DE4020950A1 (de) | 1990-06-30 | 1990-06-30 | Coextrusionswerkzeug |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE4020950A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1926488B2 (de) * | 1969-05-23 | 1971-05-27 | Strangpresse zum verarbeiten plastischer insbesondere ther moplastischer oder nicht vernetzter elastomerer masse | |
| DE1956652B2 (de) * | 1969-11-11 | 1972-12-21 | Windmöller & Hölscher, 4540 Lengerich | Strangpresse zum verarbeiten, plastischer, insbesondere thermoplastischer oder nicht-vernetzter elastomerer massen |
| DE1504190B2 (de) * | 1964-10-07 | 1977-02-03 | The Dow Chemical Co., Midland, Mich. (V.St.A.) | Verfahren zum herstellen einer verbundbahn aus thermoplastischen kunststoffen, sowie vorrichtung zur durchfuehrung des verfahrens |
| DE3734883A1 (de) * | 1987-10-15 | 1989-04-27 | Reifenhaeuser Masch | Werkzeugblock fuer das strangpressen einer folie oder platte aus thermoplastischem kunststoff |
| DE3821902A1 (de) * | 1988-06-29 | 1990-01-04 | Reifenhaeuser Masch | Anlage zum extrudieren eines mehrschichtigen stranges aus thermoplastifizierten kunststoffen |
-
1990
- 1990-06-30 DE DE4020950A patent/DE4020950A1/de active Granted
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1504190B2 (de) * | 1964-10-07 | 1977-02-03 | The Dow Chemical Co., Midland, Mich. (V.St.A.) | Verfahren zum herstellen einer verbundbahn aus thermoplastischen kunststoffen, sowie vorrichtung zur durchfuehrung des verfahrens |
| DE1926488B2 (de) * | 1969-05-23 | 1971-05-27 | Strangpresse zum verarbeiten plastischer insbesondere ther moplastischer oder nicht vernetzter elastomerer masse | |
| DE1956652B2 (de) * | 1969-11-11 | 1972-12-21 | Windmöller & Hölscher, 4540 Lengerich | Strangpresse zum verarbeiten, plastischer, insbesondere thermoplastischer oder nicht-vernetzter elastomerer massen |
| DE3734883A1 (de) * | 1987-10-15 | 1989-04-27 | Reifenhaeuser Masch | Werkzeugblock fuer das strangpressen einer folie oder platte aus thermoplastischem kunststoff |
| DE3821902A1 (de) * | 1988-06-29 | 1990-01-04 | Reifenhaeuser Masch | Anlage zum extrudieren eines mehrschichtigen stranges aus thermoplastifizierten kunststoffen |
Also Published As
| Publication number | Publication date |
|---|---|
| DE4020950C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1992-05-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |