Piercing point hammer drill bit

Claim 1

A HAMMER DRILL BIT COMPRISING A GENERALLY-CYLINDRICAL, HARD, RIGID BODY FORMED AT ONE END FOR SEPARABLE CONNECTION TO AND AS A COAXIAL TERMINAL OF DRILL ROD, SAID BODY HAVING A CENTRAL CHAMBER ARRANGED TO RECEIVE FLUID INPUT THROUGH THE ASSOICATED ROD, A PLURALITY OF LIKE, TRANSVERSELY-CONCAVE FLUTES ANGULARLY SPACED APART ABOUT AND PERIPHERALLY INTERRUPTING SAID BODY PARALLEL TO THE AXIS THEREOF, AND GAUGE POINTS OF TUNGSTEN-CARBIDE MATERIAL FIXED IN EXPOSURE RADIALLY OF AND TO ARM THE PERIPHERAL SEGMENTS OF THE BODY INTERCEPTED BETWEEN ADJACENT FLUTES, A WORKING FACE AT THE END OF SAID BOYD REMOTE FROM THAT CONNECTIBLE TO THE DRILL ROD CONSTITUTED AS A CENTRAL, FLAT, CIRCULAR BODY END AREA PERPENDICULAR TO THE BODY AXIS, A COMPLEMENTARY FLAT, ANNULAR BODY END AREA PARALLEL TO, SPACED INWARDLY OF THE BODY FROM, AND CIRCUMSCRIBING SAID CENTRAL AREA, AXIALLY-TAPERED PIERCING POINTS SEPARATELY FIXED IN PATTERNED ARRAY TO PROJECT AXIALLY OF THE BODY FROM BOTH SAID END AREAS, AND OUTFLOW PASSAGES FROM THE CENTRAL CHAMBER OPENING THROUGH SAID CENTRAL END AREA BETWEEN ELEMENTS OF THE ASSOCIATED POINT ARRAY, WHEREIN SAID CENTRAL AREA IS SUBSTANTIALLY TANGENT TO THE INTRUSIVE ARCS OF THE FLUTES PERIPHERALLY INTERRUPTING THE BODY TO ESTABLISH IN CONSEQUENCE A SEGMENTING OF THE ANNULAR AREA BY THE FLUTES.