Patent · US Expired

Breechblock sealing for large-caliber barreled weapons

US4022104A · kind A · utility

4Cited by

9References

5Claims

0Family size

Assignee

Diehl GmbH & Co. · DE

Inventors

Anton Politzer · Achern, DE
Wilhelm Machmer · Nuremberg, DE

Key dates

Filing date	Jul 23, 1975
Grant date	May 10, 1977
Priority date	—
Expiry date	Jul 23, 1995

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF41A3/74
WIPO fieldOther special machines
WIPO sectorMechanical engineering

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.