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First Claim
1. IN AN EXPANDING BULLET, THE COMBINATION OF A RELATIVELY HARD JACKET HAVING A CLOSED BASE AND A THINNED NOSE EDGE REMOTE FROM SAID BASE, SAID JACKET AT SAID NOSE EDGE FORMING AT LEAST 5 BUT NOT MORE THAN 7 OGIVALLY CONVERGING AND CIRCUMFERENTIALLY ABUTTING STAVES AND BETWEEN ADJACENT STAVES AN INTERVENING FOLDED WEB AT LEAST PARTIALLY JOINING ADJACENT STAVES AND FORMING ON SAID STAVES SUBSTANTIALLY RADIALLY EXTENDING MARGINAL FLANGES FOR ABUTTING ADJACENT STAVES IN CONTIGUITY WITH EACH OTHER AT SAID FLANGES TO DEFINE AN EQUAL NUMBER OF UNIFORMLY CIRCUMFERENTIALLY DISTRIBUTED LONGITUDINAL RIBS ON THE INTERIOR OF SAID JACKET ADJACENT SAID EDGE, SAID STAVES AT ANY GIVEN TRANSVERSE CROSS SECTIONAL PLANE BEING OF SUBSTANTIALLY UNIFORM THICKNESS RADIALLY AND SAID WEB OF ABOUT THE SAME THICKNESS IN SAID GIVEN PLANE TRANSVERSE TO THE BULLET AXIS SUCH THAT SAID RIBS HAVE A CIRCUMFERENTIAL THICKNESS ABOUT TWICE THE THICKNESS OF SAID STAVES MEASURED IN SAID PLANE AND EXTEND INWARDLY FROM SAID STAVES MOST DEEPLY AT SAID EDGE TO A DEPTH IN EXCESS OF THE THICKNESS OF SAID STAVES AT SAID EDGE BUT NOT SUBSTANTIALLY MORE THAN FIVE TIMES THE THICKNESS OF SAID STAVES AT SAID EDGE, THEREBY PROVIDING IN SAID WEB AND EQUAL NUMBER OF UNIFORMLY CIRCUMFERENTIALLY SPACED SHARP BENDS FRACTURED PARTIALLY DOWN THEIR LENGTH BETWEEN CONTIGUOUS FLANGES AND DEFINING PREDETERMINED LINES OF SPLITTING FROM SAID EDGE, AND A RELATIVELY SOFT METAL CORE HELD IN SAID JACKET INTERIOR AND HAVING A PORTION OF SAID CORE PROJECTING FORWARDLY BEYOND SAID EDGE.
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1 Claim
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1. IN AN EXPANDING BULLET, THE COMBINATION OF A RELATIVELY HARD JACKET HAVING A CLOSED BASE AND A THINNED NOSE EDGE REMOTE FROM SAID BASE, SAID JACKET AT SAID NOSE EDGE FORMING AT LEAST 5 BUT NOT MORE THAN 7 OGIVALLY CONVERGING AND CIRCUMFERENTIALLY ABUTTING STAVES AND BETWEEN ADJACENT STAVES AN INTERVENING FOLDED WEB AT LEAST PARTIALLY JOINING ADJACENT STAVES AND FORMING ON SAID STAVES SUBSTANTIALLY RADIALLY EXTENDING MARGINAL FLANGES FOR ABUTTING ADJACENT STAVES IN CONTIGUITY WITH EACH OTHER AT SAID FLANGES TO DEFINE AN EQUAL NUMBER OF UNIFORMLY CIRCUMFERENTIALLY DISTRIBUTED LONGITUDINAL RIBS ON THE INTERIOR OF SAID JACKET ADJACENT SAID EDGE, SAID STAVES AT ANY GIVEN TRANSVERSE CROSS SECTIONAL PLANE BEING OF SUBSTANTIALLY UNIFORM THICKNESS RADIALLY AND SAID WEB OF ABOUT THE SAME THICKNESS IN SAID GIVEN PLANE TRANSVERSE TO THE BULLET AXIS SUCH THAT SAID RIBS HAVE A CIRCUMFERENTIAL THICKNESS ABOUT TWICE THE THICKNESS OF SAID STAVES MEASURED IN SAID PLANE AND EXTEND INWARDLY FROM SAID STAVES MOST DEEPLY AT SAID EDGE TO A DEPTH IN EXCESS OF THE THICKNESS OF SAID STAVES AT SAID EDGE BUT NOT SUBSTANTIALLY MORE THAN FIVE TIMES THE THICKNESS OF SAID STAVES AT SAID EDGE, THEREBY PROVIDING IN SAID WEB AND EQUAL NUMBER OF UNIFORMLY CIRCUMFERENTIALLY SPACED SHARP BENDS FRACTURED PARTIALLY DOWN THEIR LENGTH BETWEEN CONTIGUOUS FLANGES AND DEFINING PREDETERMINED LINES OF SPLITTING FROM SAID EDGE, AND A RELATIVELY SOFT METAL CORE HELD IN SAID JACKET INTERIOR AND HAVING A PORTION OF SAID CORE PROJECTING FORWARDLY BEYOND SAID EDGE.
Specification
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- Resources
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Current AssigneeArthur H. Burns Jr, Charles M. Schreiber
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Original AssigneeArthur H. Burns Jr, Charles M. Schreiber
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InventorsBurns, Arthur H. Jr., Schreiber, Charles M.
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Application NumberUS03/844,062Time in Patent Office1,775 DaysField of SearchUS Class Current102/507CPC Class CodesF42B 12/34 expanding before or on impa...
