a technique in tie-dyeing called deep-blue variegation 紺色に染める絞り染め - EDR日英対訳辞書
To provide a linear motor-mounted press machine having a simple constitution while both punch and die are made drivable and the variegation of working is made possible, and further, working with high precision can be performed. パンチおよびダイの両方を駆動可能として加工の多彩化を可能としながら、簡易な構成とでき、また精度の良い加工が行えるリニアモータ搭載プレス機械を提供する。 - 特許庁