Method for producing a roving for a ring spinning machine, and device for producing a roving for ring spinning machine
The method and device for imparting a true twist to fiber strips using centrifugal forces address productivity and quality issues in roving production, ensuring high-quality fine yarns by maintaining fiber parallelization and eliminating the need for flyers, thus enhancing efficiency in ring spinning processes.
Patent Information
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- RIETER CZ AS
- Filing Date
- 2025-11-26
- Publication Date
- 2026-06-04
AI Technical Summary
Existing methods for producing roving for ring spinning machines are limited by low productivity and unsatisfactory quality, particularly when using fine yarns, due to the reliance on flyers which introduce distortions and require additional processing steps, leading to inefficiencies and quality issues.
A method and device that imparts a true twist to a stretched fiber strip using centrifugal forces between a clamping point and a rotating lay-up cylinder, allowing the roving to be deposited on the cylinder's inner wall without disrupting fiber parallelization, thereby eliminating the need for a flyer and enhancing productivity and quality.
This approach maintains fiber parallelization, enabling the production of high-quality fine yarns with increased productivity by dispensing with the flyer, allowing for efficient roving formation and direct feeding to the ring spinning machine.
Smart Images
Figure EP2025084342_04062026_PF_FP_ABST