Underwater gun comprising a plate-type barrel seal

Details Underwater gun comprising a plate-type barrel seal Underwater gun comprising a plate-type barrel seal

2011-01-25

2011-01-25

Eldred, J. Woodrow (Department: 3641)

Firearms

Underwater type

C089S001809, C089S001810, C089S005000, C089S031000, C114S316000

Reexamination Certificate

active

07874091

ABSTRACT:
An apparatus for sealing the barrel of an underwater gun between firings is disclosed. The apparatus comprises a magnetically-attractable water-impermeable disk. Via operation of a drive system, the disk is movable between a sealing position, wherein it prevents water from entering the barrel by moving into alignment with the first bore, and a firing position, wherein the first water-impermeable disk moves out of alignment with the first bore.

REFERENCES:
patent: 1186023 (1916-06-01), Moore
patent: 5639982 (1997-06-01), Cipolla
patent: 5648631 (1997-07-01), Kirschner et al.
patent: 5687501 (1997-11-01), Stace et al.
patent: 5746018 (1998-05-01), Kirschner et al.
patent: 5966858 (1999-10-01), Curtis et al.
patent: 6701819 (2004-03-01), Williams et al.
patent: 7237353 (2007-07-01), Beauchamp et al.

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