Hollow-charge insert for armor-piercing projectile
Patent 4537132 Issued on August 27, 1985. Estimated Expiration Date: 
August 27, 2002. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
August 27, 2002. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3217647 3478685 3732816 InventorsAssigneeApplicationNo. 05/920621 filed on 06/19/1978US Classes:102/307, Linear or curvilinear cavity102/309, Having a barrier102/476Shaped chargeExaminersPrimary: Nelson, Peter A.Attorney, Agent or FirmInternational ClassesF42B 1/028 (20060101)F42B 1/00 (20060101) Foreign Application Priority Data1977-06-30 DEAbstractA forwardly concave insert for a hollow charge of an armor-piercing missile or projectile has an inner peripheral wall with linear generatrices and an outer peripheral wall with at least partly curved generatrices diverging from the inner wall surface to an annular zone of maximum wall thickness at more than half the distance from the point of the cone to its base, the outer generatrices having centers of curvature lying beyond the cone axis on radii which are perpendicular to the inner wall surface at that annular zone. The arcuately curved sections of these outer generatrices merge tangentially into substantially straight-line sections converging at the cone axis into the aforementioned point. | |
