Apparatus for manufacturing fibers and method for manufacturing fibers
JP2026110907APending Publication Date: 2026-07-03TORAY INDUSTRIES INC
Patent Information
- Application Number
- JP2024225938
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2026-07-03
AI Technical Summary
Technical Problem
Existing fiber manufacturing methods face issues of fiber entanglement and collision when applying orbital stretching forces to fibers discharged from multiple discharge holes, leading to poor quality in sheet materials like nonwoven fabrics.
Method used
A fiber manufacturing apparatus and method that uses airflow nozzles to create opposing orbital directions for fibers discharged from adjacent discharge holes, preventing collisions and entanglement by forming swirling flows with jet streams.
Benefits of technology
Stable production of very small diameter fibers is achieved by preventing collisions and entanglement, resulting in improved quality of sheet materials.
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Smart Images
Figure 2026110907000001_ABST
Abstract
The present invention provides a fiber manufacturing apparatus that, in a system with multiple discharge holes for simultaneously spinning multiple fibers, can produce fibers with a very small diameter and minimize collisions and entanglement between fibers discharged from the multiple discharge holes. [Solution] The fiber manufacturing apparatus of the present invention produces fibers with a very small fiber diameter by discharging fibrous polymer from multiple discharge holes, blowing a swirling flow onto each fibrous polymer, and causing the fibrous polymer to revolve around the polymer discharge direction as an axis. Spinning stability can be improved by blowing the swirling flow onto adjacent discharge holes in opposite directions.
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Citation Information
Patent Citations
Preparation of filament from material difficult to make into filament
JP1985119212A
Fiber manufacturing method and fiber manufacturing device
WO2023181740A1