Injection molding of plastic ammunition case

Claim 1

THE PROCESS OF MANUFACTURING INTEGRAL AMMUNITION CASES BY PLASTIC INJECTION MOLDING, WHICH CONSISTS IN AXIALLY GATING PLASTIC MATERIAL UNIFORMLY IN FLUID STATE THROUGH A THIN TUBULAR MOLD CAVITY OUTWARDLY FROM THE INJECTION SOURCE TO FORM THE ELONGATED CASE OF A SHELL, AND PRIOR TO SAID TUBULAR FLOW, GATING SAID PLASTIC MATERIAL RADIALLY OUTWARD THROUGH A TRANSVERSE MOLD CAVITY COMMUNICATING WITH SAID TUBULAR MOLD CAVITY SAID MATERIAL FLOWING AXIALLY INTO SAID CAVITY FROM AN OPEN CIRCULAR SPRUE TO FORM AN INTEGRALLY CONNECTED SHELL-BASE-PLATE, PROVIDED WITH A RIM EDGE, AND WHILE GATING SAID PLASTIC MATERIAL THROUGH SAID TRANSVERSE MOLD CAVITY, SIMULTANEOUSLY APPLYING AXIAL PRESSURE TOWARD SAID INJECTION SOURCE IN SAID TRANSVERSE MOLD CAVITY TO SUBSTANTIALLY ASSIST IN THE FLOW OF SAID PLASTIC MATERIAL RADIALLY OUTWARD FROM SAID INJECTION SOURCE, STOPPING THE FLOW OF SAID PLASTIC MATERIAL WHEN SAID MOLD CAVITIES ARE FILLED AND PRODUCING THE HARDENING OF THE MATERIAL IN THE FILLED MOLD CAVITIES.