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US 9,725,918 B2Granted
Arrangement and method for underwater activities
AssigneeWaterbox Oy
InventorEvgeny Lykov
Life of this patent
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AssigneeWaterbox Oy
InventorEvgeny Lykov
Estimating the term…
An arrangement (100) for underwater activities includes a reservoir (101), which reservoir includes a wall (102) securing a space inside the reservoir (101) to be filled at least partially with water (103). The arrangement has also an opening (104a, 104b) for entering the reservoir, and a container (105) to be filled at least partially with water (103). The container receives the reservoir (101) so that the lower portion of the reservoir including at least one opening (104a) is located under the water surface level (103). The lower portion of the reservoir when introduced with the container is securing together with the container's (105) wall an upper portion (107) of the container, which upper portion (107) supports via the opening (104a) the pressure difference between the upper portion (107) of the container (105) and the space inside the reservoir (101), when water (103) is introduced into the space inside the reservoir.
An arrangement for underwater activities comprising a reservoir, which reservoir comprises at least one wall and at least one opening for entering the reservoir, wherein the reservoir is configured to be filled fully or partially with water, wherein the arrangement comprises additionally
Method for underwater activities, the method comprising a step of filling a space with fully or partially with water, the space being formed by at least one wall of a reservoir, said reservoir having at least one opening for entering the space inside said reservoir, wherein the method comprises additionally
Dependencies are inferred from the claim text.