coal pick

Japanese: coal pick(英語表記)coalpick
coal pick

...The coal mining capacity is 4 to 6 tons per minute, and the traveling speed is about 12 meters per minute.
[Coal Pick]
This machine crushes coal by pressing a pointed rod-shaped tool (pick bit) against the coal bed and striking it with a piston driven by compressed air. The main body is a cylinder with a striking piston and a valve device, and when the pick bit is pressed against the coal bed with a manual force of 30 to 40 kgf, the piston automatically reciprocates, delivering about 550 to 1,200 strikes per minute.

*Some of the terminology that mentions "coal pick" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…採炭能力は毎分4~6t,走行速度毎分12m程度である。
[コールピックcoal pick]
 先端のとがった丸棒形の工具(ピックビット)を炭層に押しつけて,圧縮空気で駆動されるピストンで打撃して,石炭を破砕する機械である。本体は,打撃ピストンと弁装置のついたシリンダーであり,30~40kgfの人力でピックビットを炭層に押しつければ,自動的にピストンが往復して,毎分550~1200回程度の打撃を与える。…

※「coal pick」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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