Pinch ring for yarn balloons

Details Pinch ring for yarn balloons Pinch ring for yarn balloons

1975-09-19

1976-09-14

Watkins, Donald E.

Textiles: spinning, twisting, and twining

Apparatus and processes

Driving

57108, 242157R, D01H 1304, D01H 1312

Patent

active

039798950

ABSTRACT:
A pinch ring for the thread balloon of a spinning machine or twisting machine is substantially a single wire loop forming a spiral or helix. The ring may have overlapping end portions. The degree of overlap and the shape of the overlapping end portions as well as the pitch and the axial clearance between opposite points in the overlapping portions are all critical to the performance of the ring. The pinch ring defined by the invention permits substantially higher production rates without decreasing the rupture strength of the thread and provides a thread with substantially higher strength at standard production speeds.

REFERENCES:
patent: 3065592 (1962-11-01), Kresslein
patent: 3083931 (1963-04-01), Dechene
patent: 3084500 (1963-04-01), Recher
patent: 3095688 (1963-07-01), Russell
patent: 3269104 (1966-08-01), Morita
patent: 3316703 (1967-05-01), McKelvie
patent: 3863433 (1975-02-01), Kanai
patent: 3892065 (1975-07-01), Kanai

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