Underwater gun comprising a passive fluidic barrel seal

Details Underwater gun comprising a passive fluidic barrel seal Underwater gun comprising a passive fluidic barrel seal

2008-06-30

2011-11-01

Eldred, J. Woodrow (Department: 3641)

Firearms

Underwater type

C089S005000, C089S031000, C114S316000

Reexamination Certificate

active

08046947

ABSTRACT:
An apparatus and method for sealing the barrel of an underwater gun between firings is disclosed. The apparatus clears the barrel and/or prevents water from entering the barrel based on pressure variations.

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patent: 7681352 (2010-03-01), Fu et al.
patent: 7832134 (2010-11-01), Fu et al.

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