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Armor piercing shell

  • US 3,348,485 A
  • Filed: 10/05/1965
  • Issued: 10/24/1967
  • Est. Priority Date: 10/08/1964
  • Status: Expired due to Term
First Claim
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1. AN ARMOR PIERCING SHELL WHICH COMPRISES, IN COMBINATION, A CORE OF A HARD MATERIAL AND, ABOUT SAID CORE, AN ENVELOPE OF A LIGHT MATERIAL OF A DIAMETER GREATER THAN THAT OF SAID CORE, WHEREIN THE FRONT PART OF SAID CORE IS IN THE FORM OF A CUP THE EDGE OF WHICH CONSTITUTES THE MOST FORWARDLY PROJECTING PORTION OF SAID CORE AND WHEREIN THE ANGLE MADE, IN A RADIAL PLANE OF THE SHELL, BETWEEN THE TANGENT AT SAID EDGE TO AN AXIAL SECTION OF THE OUTER SURFACE OF SAID CORE AND A PARALLEL TO THE SHELL AXIS RANGES FROM 25* TO 35* AND THE ANGLE MADE, ALSO IN SAID RADIAL PLANE, BETWEEN SAID TANGENT AND THE TANGENT TO SAID CUP AT SAID EDGE IS SUBSTANTIALLY EQUAL TO 90*.

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