SPIN POT

INVENTION: SPIN POT INVENTORS: JAMES JUDSON COOKSEY and GARLAND LINWOOD TURNER A spin pot, for the extrusion of one or more ends of multifilament, synthetic fibers is disclosed. The spin pot features a top cap comprising a flow inlet passage and between 3 and 80 substantially identical polymer delivery channels. The flow inlet passage brings molten polymer to an area the central axis of which substantially coincides with the central axis of the top cap. The delivery channels communicate with the flow inlet passage in this area and branch radially therefrom at substantially equal intervals to open at the lower surface of the top cap into a distribution space. The cross-sectional area of each of the delivery channels remains substantially uniform along its respective length. The ratio of the number of delivery channels to twice the distance in inches between the central axis and the inner edge of any one of the delivery channels at the lower surface of the top cap is between 1 to 2 and 3 to 1, and the delivery channels open in the peripheral 50% of the lower surface disposed above the internal wetted area of the distribution space. The sum of the cross-sectional areas of the delivery channels is substantially the same as the cross-sectional area of the flow inlet passage. Improved sealing characteristics for the spin pot are provided by the design of the top cap and the breaker plate.