18226992. METHOD AND APPARATUS FOR HEATING FIBER BUNDLE simplified abstract (TOYOTA JIDOSHA KABUSHIKI KAISHA)

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METHOD AND APPARATUS FOR HEATING FIBER BUNDLE

Organization Name

TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor(s)

Yoshihide Katagiri of Nagakute-shi (JP)

Takuya Morishita of Nagakute-shi (JP)

Yuka Yamada of Nagakute-shi (JP)

Akira Kunitomo of Toyota-shi (JP)

METHOD AND APPARATUS FOR HEATING FIBER BUNDLE - A simplified explanation of the abstract

This abstract first appeared for US patent application 18226992 titled 'METHOD AND APPARATUS FOR HEATING FIBER BUNDLE

Simplified Explanation

- Method for heating a fiber bundle using Joule heating between electrodes - Fiber bundle has electrical conductivity and is in contact with electrodes - At least one electrode has an aggregating structure that aggregates the fiber bundle - Aggregating structure has a trench or cylindrical shape that narrows in depth direction - Aggregating structure is a trench on the outer surface of a rotating body - Trench has a bottom surface that narrows towards rotation center side - Widened portion on outer edge guides fiber bundle to bottom surface

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      1. Potential Applications

- Manufacturing of composite materials - Production of carbon fiber products - Textile industry for heating and processing fibers

      1. Problems Solved

- Efficient heating of fiber bundles - Aggregation of fibers for uniform processing - Control of fiber orientation during heating

      1. Benefits

- Improved efficiency in fiber processing - Enhanced control over fiber properties - Potential for automation in fiber production


Original Abstract Submitted

A method for a fiber bundle, including a heating process of Joule-heating the fiber bundle by energization between at least a pair of electrodes. The fiber bundle is carried in contact with the electrodes and has electrical conductivity at least between the electrodes. At least one of the electrodes has an aggregating structure that aggregates the fiber bundle while being in contact with the outer surface of fiber bundle. The aggregating structure has a trench or cylindrical shape with a structural surface that narrows in the depth direction. When the electrodes are each composed of a rotating body, the aggregating structure is a trench provided on the outer surface of the rotating body. The trench has a bottom surface that narrows toward a rotation center side. The trench may have a widened portion on the outer peripheral edge side. The widened portion guides the fiber bundle to the bottom surface.