| 摘要 |
There is provided an adapter for an extrusion apparatus to split the flow of a molten material into a plurality of extrusion pathways ( 20 ), which adapter comprises an input channel ( 8 ), a first output channel ( 22 ), a second output channel ( 24 ) and means ( 26, 30 ) for adjusting the flow balance between the first output channel ( 22 ) and the second output channel ( 24 ).
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