...However, the cuttings scattered with the compressed air caused silicosis among miners, so they soon improved the method to remove the cuttings by passing water instead of compressed air. This type of rock drill was called the Water Liner, and was imported to the Ashio Mine in Japan in 1902. The manufacture of rock drills in Japan began in 1914, when the patent for the liner expired. *Some of the terminology that mentions "water liner" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…しかし,圧縮空気とともに飛散した繰り粉が,坑夫たちに珪肺症をひき起こしたので,まもなく,圧縮空気の代りに水を通して繰り粉を排除する方式に改良した。この形式の削岩機はウォーターライナーと呼ばれ,1902年には日本の足尾鉱山にも輸入されている。日本で削岩機の製造が始まったのは,このライナーの特許が期限切れとなった14年のことであった。… ※「ウォーターライナー」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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