Method and apparatus for taking up a yarn onto a pirn after fals

Details Method and apparatus for taking up a yarn onto a pirn after fals Method and apparatus for taking up a yarn onto a pirn after fals

1974-09-12

1976-10-26

Gilreath, Stanley N.

Textiles: spinning, twisting, and twining

Apparatus and processes

Web material

57 94, 242 18R, 242 45, D02G 102

Patent

active

039876110

ABSTRACT:
Percent take-up feed of a yarn, which is taken up onto a pirn by rotary surface contact with a take-up roller via delivery rollers, is time-functionally and continuously changed by a speed converter which is inserted into a rotation transmission mechanism between both rollers and whose speed conversion ratio is adjusted by a pilot shaft in accordance with a programme which is designed on the basis of the take-up feed characteristic curve in order to obtain a yarn of uniform stretch property, the characteristic curve being in practice approximated by a combination of three or fewer straight lines.

REFERENCES:
patent: 3009312 (1961-11-01), Seem et al.
patent: 3077724 (1963-02-01), Stoddard et al.
patent: 3329360 (1967-07-01), Schippers
patent: 3831362 (1974-08-01), Dudzik
patent: 3839853 (1974-10-01), McKenzie

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