ring frames

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Scope note
Mechanized devices, comprising a double-sided frame equipped with a long row of spindles carried by ring rails, designed to convert pure roving into yarn and strengthen the yarn by twisting the roving in a simultaneous and continious process. After receiving roving from an intermediary simplex machine or fly frame, these devices expose the roving to a drafting process through which it is transformed to a desired thickness. The drafted roving is then twisted and wound onto a ring bobbin for packaging. The most commonly used devices in the yarn manufacturing process, these frames are small, accessible, and simpler to use than other methods of cotton spinning.
ring frames
Accepted term: 13-May-2024