FIELD: devices for manufacture of articles from polymer materials and compositions based on polymer materials; may be used in chemical industry for production of building strips and furniture framing. SUBSTANCE: multiple die head has body in which interchangeable cross-shaped material is installed for fixing. Mandrel forms channels of shaped cross-section for polymer which are connected with polymer supply channel. Mandrel has different shape of surface and smooth cut in zone of its connection with polymer supply channel. Mandrel is provided with cooling system. Mandrel is installed in body with the help of two semicylinder sections made with longitudinal recesses for retaining the mandrel. EFFECT: higher quality of articles, excluded losses of material and nonuniform output of extrudate. 5 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| MULTI-PASS EXTRUSION HEAD FOR MANUFACTURE OF PROFILED POLYMERIC ARTICLES WITH USE OF ULTRASONIC OSCILLATIONS | 1998 |
|
RU2147989C1 |
| MULTICHANNEL EXTRUSION HEAD FOR PREPARING POLYMER FURNITURE SHOE SLIPPER | 1999 |
|
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| EXTRUSION HEAD FOR MANUFACTURE OF POLYMERIC SHELLS OF PIPE FRAMING | 1998 |
|
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| MULTIPLE DIE HEAD | 1997 |
|
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|
RU2194618C2 |
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|
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| EXTRUSION HEAD FOR MANUFACTURING POLYMER PROFILE-PRODUCTS | 0 |
|
SU1717393A1 |
| TWO-CHANNEL EXTRUSION HEAD FOR MAKING POLYMER SHAPED RUNNER USING ULTRASOUND OSCILLATIONS | 2011 |
|
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| DOUBLE-CHANNEL EXTRUSION HEAD FOR MANUFACTURING OF POLYMER LINING WALL PANELS WITH APPLICATION OF ULTRASONIC OSCILLATIONS | 2008 |
|
RU2365503C1 |
| TWO-CHANNEL EXTRUSIVE HEAD FOR MANUFACTURING OF POLYMERIC CONSTRUCTION PROFILE WOOD STRIP | 2005 |
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RU2326763C2 |
