split-ring piston packingとは 意味・読み方・使い方

To provide a piston which prevents easy leakage of a soup from a fitted part, even if fitting is made loose, and by which driving torque for pushing-out and pulling-in motions is reduced and also the engagement can be easily carried out, even if a packing employs a split ring.例文帳に追加

嵌合を緩くしても嵌合部からスープ液が漏れ難く且つ押出し及び引込みの駆動トルクを小さくすると共にパッキンを割りリングとしなくとも容易に嵌合し得るピストンを提供する。 - 特許庁