The present invention provides an underwater breathing device. The device comprises a canister having a pump installed therein, wherein air outside of the canister communicates with the interior of the canister via the pump; a mouthpiece; and an elongate tube interconnecting the interior of the canister and the mouthpiece. Methods of making and using the device are also disclosed.
UNDERWATER BREATHING DEVICE
17.03.2022
Patent
Elektronische Ressource
Englisch
IPC: | B63C LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS , Zuwasserlassen, Trockenstellen, Docken oder Bergen von Schiffen |