| 摘要 |
<p>Apparatus including an extruder, a die (110) having movable elements (112) defining the die opening, and die element drive solenoids for varying the dimensions of the die opening during extrusion function to yield an elongated body having a varying axial cross-section. Individual die member drive means (122) and a controller (138) are used with the apparatus to produce smoothly varying, complex cross-sectional shapes in elongated bodies such as optical fibers for various applications.</p> |
