Title: Armor penetrating projectile

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Claims: I claim:

1. An armor penetrating projectile comprising a casing having at its rear end an impulse rocket and at its front end an armor penetrating head, said casing containing the hollow penetrator body positioned between said head and the rocket, said penetrator body containing an internal blast explosive material, said head comprising a cone structure containing a charge of explosive material which upon being exploded serves to form an opening in the target armor, and means forming part of the cone structure for producing a series of gashes radiating from the opening in order to weaken the metal about the opening, said means comprising a plurality of equidistantly spaced flutes positioned about the surface of the cone and extending radially outwardly and downwardly from the apex of the cone, the recesses between the flutes containing linear shaped charges of explosive whereby when said charges are exploded, the penetrator body and its internal blast explosive are permitted ready entrance through an enlargement of said opening caused by deforming the metal at said gashes.

2. An armor penetrating projectile according to claim 1 and in which said cone structure includes a plurality of metal members of conical form, one surrounding the other to leave an annular space therebetween, a charge of explosive filling said space, the concavity of the inner cone being presented to the forward end of the projectile and provided with the aforesaid flutes whereby the open sides of the flutes form individual shaped charge effects of linear configuration for the explosive in said annular space.

3. An armor penetrating projectile according to claim 2 and in which the conically shaped members are of different angularity and the convexity of both conical members is directed toward the rear of the projectile, said cone of larger size having a flat portion at its apex for receiving an explosion-initiating device.

Other info:

Inventors: Davis, Dale M. (Freeport, FL, US)

Application Number: 584944
Filing Date: 1966-10-05
Publication_date: 1977-12-20
Assignee: The United States of America as represented by the Secretary of the Air (Washington, DC)
Primary Class(es): 102/476
Other Classes:
US Patent Ref:

2137436	Nov, 1938	Barnhart	102/52.
2595960	May, 1952	Lawrence	102/24.
2623465	Dec, 1952	Jasse	102/56.
2804823	Sep, 1957	Jablansky	102/49.
2849957	Sep, 1958	Kuller et al.	102/56.
2853012	Sep, 1958	Rotkin et al.	102/70.
2918006	Dec, 1959	Von Zborowski	102/56.
3013495	Dec, 1961	Stevenson et al.	102/59.
3216320	Nov, 1965	Thomas et al.	102/22.
3256817	Jun, 1966	Rabinow et al.	102/70.
3277825	Oct, 1966	Maillard	102/52.

Other Refs: 1,161,445885,380968,507

Mar, 1958	FR
Dec, 1961	UK
Sep, 1964	UK

Primary Examiner: Tudor, Harold
Assistant Examiner:
Attorney: Rusz; Joseph E.