Method for producing multi-color strand made of ceramic material, involves discharging strand through mouthpiece of screw arranged at one end of extruder

摘要

The method involves supplying ceramic materials in respective extruders (2,3). The second ceramic material discharged from extruder (3) is supplied into screw portion (16) of extruder (2) which opens port (19). The ceramic materials are conveyed and mixed in screw (17,10) of extruder (2) in conveying direction (30). The strand (12) is discharged through mouthpiece (11) arranged at one end of extruder (2). An independent claim is included for device for producing multi-color strand made of ceramic material.