A diving mask includes a metal frame, a soft rubber mask, and a lens. The diving mask consists of the metal frame, the soft rubber mask and the lens. The frame of the diving mask is a metal frame. The metal frame includes an outer frame and an inner frame. The lens is sandwiched between the inner frame and the outer frame and is fixed through a fixing structure, which improves the structural stability of the diving mask.
DIVING MASK
2020-11-12
Patent
Electronic Resource
English
IPC: | B63C LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS , Zuwasserlassen, Trockenstellen, Docken oder Bergen von Schiffen |