Textiles: knitting – Independent-needle machines – Circular
Patent
1975-10-09
1977-02-15
Feldbaum, Ronald
Textiles: knitting
Independent-needle machines
Circular
66154A, 66132R, D04B 912, D04B 914, D04B 916, D04B 944
Patent
active
040076075
ABSTRACT:
The present invention provides a method and apparatus for controlling selectively the sliver feeding rates of the carding mechanisms of a multi-feed high pile fabric circular knitting machine, whereby the sliver feeding rates harmonize continuously with the fabric pattern for which the machine has been programmed. The selected pattern is incorporated into the fabric during knitting by electronically controlled needle selection. The knitting pattern data is stored in digital form in a computer type memory, such as a magnetic disc, tape or drum, or equivalent digital data storage means. The rate of sliver feed at each sliver feeding station is determined continuously during knitting, and adjusted as required, by the pattern data controlling the needle selection at that particular station, to ensure that the sliver input to the machine harmonizes with the demand of the needles for sliver fibers in accordance with the knitting pattern selected. The sliver feed rate also is controlled in accordance with the speed of rotation of the needle cylinder and the fabric density desired.
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Christiansen Paul
Roshon George K.
Feldbaum Ronald
Frailey Robert B.
Hayes-Albion Corporation
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