Breechblock sealing for large-caliber barreled weapons

Details Breechblock sealing for large-caliber barreled weapons Breechblock sealing for large-caliber barreled weapons

1975-07-23

1977-05-10

Tudor, Harold

Ordnance

Breech closures

Gas checks

F41F 1102

Patent

active

040221040

ABSTRACT:
A ring closure arrangement for the breechblocks of large-caliber barreled weapons; including a closure seal ring having an angled profile in a longitudinal axial section thereof, with the seal ring being prestressed at a closed breechblock position for sealing the end of the barrel against the breechblock. A recess is formed in the breechblock, the seal ring being axially displaceable within the recess; and actuating means being located in the breechblock for imparting axial movement to and pressing the seal ring against the end of the barrel.

REFERENCES:
patent: 159170 (1875-01-01), Felt
patent: 162807 (1875-05-01), Davison
patent: 270299 (1883-01-01), Freyre
patent: 819186 (1906-05-01), Vollmer
patent: 1376130 (1921-04-01), Asbury
patent: 2980100 (1949-08-01), Weiss et al.
patent: 3114290 (1963-12-01), Harvey et al.
patent: 3403596 (1968-10-01), Bartels
patent: 3738223 (1973-06-01), Post

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