straining a pointとは 意味・読み方・使い方

The apparatus for manufacturing the thermally tempered glass article including a heating furnace capable of heating the glass article to its straining point or above and its softening point or below, a conveyance mechanism for conveying the glass article and a cooling mechanism capable of forcibly cooling the glass article is provided with an oscillation mechanism for irradiating the glass article with the electromagnetic waves of the milliwave bands capable of causing the glass article to generate heat.例文帳に追加

ガラス物品をその歪み点以上軟化点以下に加熱しうる加熱炉、前記ガラス物品を搬送する搬送機構、および前記ガラス物品を強制的に冷却しうる冷却機構を含む熱強化ガラス物品の製造装置において、前記ガラス物品を発熱させうるミリ波帯の電磁波を照射する発振機構を備えることを特徴とする熱強化ガラス物品の製造装置である。 - 特許庁