Forming narrow neck glass containers

Claim 1

IN AN APPARATUS FOR FORMING HOLLOW GLASS CONTAINERS HAVING A MOUTH WITH AN INTERNAL DIAMETER NOT GREATER THAN ONE AND ONE-HALF INCHES, THE COMBINATION COMPRISING A HOLLOW PLUNGER ADAPTED TO COOPERATE WITH A MOLD FOR PRESSING OF A GOB OF GLASS INTO A HOLLOW PARISON, THE UPPER PORTION OF SAID PLUNGER DEFINING THE MOUTH OF THE CONTAINER AND HAVING AN EXTERNAL DIAMETER NOT GREATER THAN ONE AND ONE-HALF INCHES, SAID PLUNGER HAVING A SUBSTANTIALLY THIN UNIFORMLY THICK WALL AND BEING TAPERED TOWARD THE TIP THEREOF, A COOLING TUBE POSITIONED WITHIN SAID HOLLOW PLUNGER AND SPACED FROM THE INNER SURFACE OF THE WALL THEREOF TO DEFINE AN ANNULAR SPACE OF SUBSTANTIALLY UNIFORM THICKNESS THROUGHOUT BETWEEN THE TUBE AND THE WALL OF THE PLUNGER, MEANS DEFINING A FLUID INLET TO THE INTERIOR OF SAID TUBE, AND MEANS DEFINING A FLUID OUTLET FROM SAID ANNULAR SPACE, SAID COOLING TUBE HAVING A PLURALITY OF SPACED HOLES THEREIN PROVIDING COMMUNICATION BETWEEN THE INTERIOR OF THE TUBE AND THE ANNULAR SPACE, THE CROSS SECTIONAL AREA OF SAID ANNULAR SPACE AT ANY LONGITUDINALLY SPACED SECTION BETWEEN ADJACENT HOLES BEING SUBSTANTIALLY EQUAL TO THE SUM OF THE AREAS OF THE HOLES IN THE TUBE BETWEEN THAT SECTION OF SAID ANNULAR SPACE AND THE TIP OF SAID TUBE.