METHOD AND DEVICE FOR FORMING MICROSTRUCTURED FIBRE
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United States of America Patent
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Jan 31, 2017
filing date -
Oct 12, 2005
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Abstract
A die and method for extruding an extrudable material to form an extruded member is described. In one embodiment, the die comprises a barrier member comprising a plurality of feed channels that extend through the barrier member. Furthermore, the die incorporates a passage forming member extending from the barrier member substantially in the direction of extrusion. The feed channels are arranged with respect to the passage forming member to allow the extrudable material to substantially flow about the passage forming member to form a corresponding passage in the extruded member.
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