Textiles: spinning – twisting – and twining – Apparatus and processes – Elements
Patent
1974-12-03
1976-06-08
Petrakes, John
Textiles: spinning, twisting, and twining
Apparatus and processes
Elements
57119, D01H 760
Patent
active
039614700
ABSTRACT:
Generally C-shaped ring travelers, designed for movement along the inside of a ring of a yarn twister or like machine and having, for the purpose of minimizing aerodynamic resistance, overall drop-shaped or streamlined cross-sectional contours at all essential transverse planes, are disclosed. The cross-sectional configuration is characterized by an oblong shape having a relatively wider or blunt leading edge and a relatively narrower or less blunt trailing edge. The foot of the traveler has a pair of laterally offset, generally vertical guide surfaces, which face outwardly of the ring and are somewhat convexly shaped to a degree approximating the ring curvature, for engaging the inside edge of the ring flange and the inside face of the web of the ring, and bridging the space between those surfaces a generally horizontal guide surface for engaging the underside of the inner ring flange. The latter guide surface is somewhat gabled to enhance the stability of the traveler when in motion by providing for a planar rather than a line contact between the traveler and the underside of the ring flange.
REFERENCES:
patent: 3411286 (1968-11-01), Wayson
patent: 3621645 (1971-11-01), Furst
patent: 3664113 (1972-05-01), Wayson
Holler Norbert P.
Petrakes John
Uniroyal Inc.
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