Tamper

Japanese: tamper
Tamper

… A rammer is a machine that uses the explosive force of an internal combustion engine to give the entire machine a jumping motion, and then compacts the soil by the impact of falling to the ground. A tamper is a small compaction machine that transmits the driving force of a small gasoline engine or compressed air to a striking plate via a spring and compacts the soil by striking and vibrating it.
[Rock masonry machinery]
Rock drill: A machine used in blasting operations for quarrying or removing rock to make holes for inserting explosives, to break up the blasted rock into smaller pieces, or to make holes for injecting grout into foundations.

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

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

… ランマーrammer内燃機関の爆発力によって機械全体に跳躍運動を与え,地表に落下するときの衝撃によって土を締め固める機械。小型ガソリンエンジンや圧縮空気などの原動力をばねを介して打撃板に伝え,打撃と振動によって締固めを行う小型締固め機械をタンパーtamperという。
【岩石工用機械】
削岩機rock drill採石や岩石の除去のために行う爆破作業において,火薬を挿入する穴をあけたり,爆破された岩石を小割りにするため,あるいは基礎工事におけるグラウト注入のための穴をあけるのに用いられる機械。…

※「tamper」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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