A regulatable pressure goggle mask having a lens and a regulating structure is provided. The lens includes a viewing area and a regulating pressure area disposed under the viewing area. The regulating structure is disposed in the regulating pressure area and includes a support unit and two recesses disposed adjacent to the two sides of the support unit. The two recesses extend to two sides of a nose of a user respectively, and are formed by a first soft material.
REGULATABLE PRESSURE GOGGLE MASK
2019-11-28
Patent
Elektronische Ressource
Englisch
IPC: | B63C LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS , Zuwasserlassen, Trockenstellen, Docken oder Bergen von Schiffen |
Engineering Index Backfile | 1921