Spindle for spinning machine with knurled reserve surface

Textiles: spinning – twisting – and twining – Apparatus and processes – Elements

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57303, 57306, 242 18EW, 72703, 29DIG23, D01H 704, D01H 914, B65H 5400

Patent

active

055819893

ABSTRACT:
A spinning-machine spindle rotatable about an axis has an upper cop-holding region and a lower nonsmooth reserve surface. The reserve surface is formed as a substantially uniform array of tiny pits separated by a raised continuous land extending as a continuous grid over the surface. Normally the pits are of pyramidal shape and the land lies substantially on a surface of revolution centered on the axis.

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patent: 4543778 (1985-10-01), Koella, III et al.
patent: 5311732 (1994-05-01), Friedrich
patent: 5319917 (1994-06-01), Bothner et al.

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