hemihedralとは 意味・読み方・使い方

The disposable hood comprising a head hood body having an eyepiece composed of a transparent plastic sheet, an hemihedral opening for filter of a breathing protector, and an outside body reaching to the shoulders and an inside body for circumferences of the neck are attached on the head hood body, and the asbestos adhering on the surface of the hood is enclosed without rescattering in dismounting the hood.例文帳に追加

透明プラスチックシートからなるアイピースと半面形呼吸用保護具のフィルタ用開口をもつ頭部フード本体に肩部まで及ぶ外側身頃と首回り用内側身頃とを取りつけ、脱装時に表面に付着したアスベスト類を再飛散させずに封じ込めるようにした使い捨てフード。 - 特許庁