Boat that is provided with floating tubes in a multi-layer...

Details Boat that is provided with floating tubes in a multi-layer... Boat that is provided with floating tubes in a multi-layer...

2007-02-20

2008-09-09

Olson, Lars A (Department: 3617)

Ships

Boats, boat component, or attachment

Inflatable

C114S219000, C441S040000

Reexamination Certificate

active

07421968

ABSTRACT:
A boat that is provided with floating tubes in a multi-layer design is composed a plurality of floating tube devices which are installed respectively at a left and a right side of a hull, and is provided with an air bag, a buffer, and a surface layer unit. The buffer is provided with a holding space and an assembling slot hole; whereas, the surface layer unit is provided with a sealing element which is used to seal the assembling slot hole, such that the floating tube devices are configured as a multi-layer design to facilitate balance, anti-collision, and increase of chance of survival.

REFERENCES:
patent: 4924796 (1990-05-01), Duffy
patent: 4928619 (1990-05-01), Cochran
patent: 6371040 (2002-04-01), Hemphill et al.
patent: 2004/0069203 (2004-04-01), Fleming

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