F - Mech Eng,Light,Heat,Weapons – 42 – B
Patent
F - Mech Eng,Light,Heat,Weapons
42
B
F42B 1/028 (2006.01)
Patent
CA 2209638
A liner (30) for a shaped charge (10) has a hemispherical apex and a skirt portion (38) which terminates in a circular skirt edge (40) having a skirt edge diameter (D). The apex (36) has a radius of curvature which is less than the skirt edge diameter (D) and the thickness (Tac) of the liner at the center of the apex (36) is greater than the thickness (Ts) of the liner at the skirt edge (40), with the thickness tapering between the apex and the skirt edge in a smooth, curvilinear transition. The liner (30) may be employed in a shaped charge (10) which includes a shaped explosive (26) which has been compressed to at least 95 % of its theoretical maximum density and is contained in a housing (12) and cover (20) made of a pulverable material such as a ceramic. A chamber (22) is provided in the base of the housing (12) to receive a pre-compressed initiation pellet (24) and the housing has a slot (42) formed in its base (14) to receive and retain therein a linear explosive member in close proximity to the inititation pellet (24) retained within the chamber.
Doublage (30) pour charge creuse (10) comportant un fond hémisphérique et une jupe (38) se terminant par un bord circulaire (40) d'un diamètre (D). Le fond (36) a un rayon de courbure inférieur à (D), et l'épaisseur (TAC) du doublage au centre du fond (36) est supérieure à l'épaisseur (Ts) du doublage au niveau du bord de la jupe (40), l'épaisseur diminuant entre le fond et le bord de la jupe selon une transition douce curviligne. Le doublage (30) peut être utilisé dans une charge creuse (10) comportant un explosif moulé (26) ayant été comprimé à au moins 95 % de sa densité théorique maximale, et placé dans un logement (12) fermé par un couvercle (20) en matériau pulvérisable du type céramique. Une chambre (22) située à la base du logement (12) recoit une masselotte d'amorçage (24) et le logement présente à sa base (14) une fente (42) destinée à un élément explosif linéaire placé à proximité immédiate de la masselotte d'amorçage (24) se trouvant dans la chambre.
Sim & Mcburney
The Ensign-Bickford Company
LandOfFree
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