Patent Number: 8,491,725

Title: Cleaning method of coloring device of optical fiber, and coloring device of optical fiber

Abstract: A cleaning method comprises first cleaning which includes supplying a cleaning-liquid to the coloring device from the optical fiber passing hole of the nipple and the ink supply opening, and discharging the cleaning-liquid from the cleaning-liquid discharge opening, and second cleaning which includes supplying a cleaning-liquid to the coloring device from the optical fiber passing hole of the nipple and the ink supply opening, and discharging the cleaning-liquid from the optical fiber passing hole of the second die.

Inventors: Arima; Kiyoshi (Tokyo, JP), Itoh; Hiroaki (Tokyo, JP), Taniguchi; Tatsuya (Tokyo, JP)

Assignee: Furukawa Electric Co., Ltd.

International Classification: B08B 3/04 (20060101)

Expiration Date: 2021-07-23 0:00:00