Ammunition and explosives – Projectiles – Composite
Patent
1983-05-17
1985-03-19
Tudor, Harold J.
Ammunition and explosives
Projectiles
Composite
F42B 1316
Patent
active
045052042
ABSTRACT:
The invention relates to a drive element (1) for a sub-calibre spinning projectile (2). The drive element (1) comprises an annular sabot member (17) applied on the rear part of the projectile (2) and a guiding sleeve (7) of full-calibre substantially embracing the projectile (2) as well as the sabot member (17). The guiding sleeve (7) is provided with an external driving band (9) made directly in the sleeve material and internal threads coacting with corresponding threads (18) of the sabot member (17). The front part of the sabot member is provided with a central, axial hollow (20) for the rear part of the projectile comprising a plurality of axially extending locking pins (22) arranged to engage corresponding recesses (6) made in the outer cylindrical surface of the projectile close to its rear end surface (5) to secure the projectile (2) to the sabot member (17). The guiding sleeve is made of a high-strength material of low density, preferably a glass-fibre reinforced polyamide.
REFERENCES:
patent: 2382152 (1945-08-01), Jakobsson
patent: 3745926 (1973-07-01), Mertz et al.
patent: 3771458 (1973-11-01), Schweimler et al.
patent: 4015527 (1977-04-01), Evans
patent: 4043269 (1977-08-01), Ambrosini
patent: 4140061 (1979-02-01), Campoli
Aktiebolaget Bofors
Tudor Harold J.
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