Testing and correcting metering accuracy of multihole spinnerets

Details Testing and correcting metering accuracy of multihole spinnerets Testing and correcting metering accuracy of multihole spinnerets

1974-09-19

1976-01-06

Baldwin, Robert D.

Plastic article or earthenware shaping or treating: apparatus

With indicator, signal, recorder, illuminator, or inspection...

73432R, G01B 1300, D01D 300

Patent

active

039307751

ABSTRACT:
A method and apparatus for off-line testing and correcting the metering accuracy of a split multihole spinneret fed by a single metered stream by determining end to end variations in flow rate and by reworking a number of holes in the lower flow rate side of the split spinneret, calculated by multiplying the average test percent bias of the split spinneret by a predetermined constant, so as to bring end to end variations in flow rate to within a required accuracy.

REFERENCES:
patent: 1676831 (1928-07-01), Levy
patent: 3221546 (1965-12-01), Heath

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