Air operated neck molds

Claim 1

IN A GLASSWARE FORMING MACHINE, THE COMBINATION OF A VERTICALLY DISPOSED SHAFT, MEANS SUPPORTING SAID SHAFT FOR ROTATION ABOUT ITS VERTICAL AXIS, A HORIZONTALLY DISPOSED TURRET CONNECTED TO SAID SHAFT, SAID TURRET ADAPTED TO SUPPORT A PLURALITY OF TWO-PIECE NECK MOLDS AT CIRCUMFERENTIALLY SPACED POINTS THEREABOUT, EACH NECK MOLD SUPPORT COMPRISING A PAIR OF OPPOSITELY DISPOSED FLUID MOTORS CONNECTED TO SAID TURRET, SAID PAIR OF FLUID MOTORS HAVING AXIALLY ALIGNED OUTPUT SHAFTS, A HOLDER FOR A NECK MOLD HALF MOUNTED ON THE EXTENDING END OF EACH OF SAID OUTPUT SHAFTS IN FACING RELATIONSHIP, A SOURCE OF FLUID UNDER PRESSURE, MEANS CONNECTED BETWEEN SAID SOURCE AND SAID PAIR OF FLUID MOTORS FOR ACTUATING SAID MOTORS IN UNISON TO MOVE SAID HOLDERS TOWARD AND AWAY FROM EACH OTHER, A NECK MOLD HALF CARRIED BY EACH HOLDER, EACH HOLDER BEING FURTHER DEFINED AS FORMING A HOLLOW CHAMBER, MEANS CONNECTED TO EACH HOLDER FOR SUPPLYING COOLANT TO THE CHAMBER THEREIN, AND PORTS FORMED IN SAID HOLDERS IN FACING RELATIONSHIP TO THE NECK MOLD HALVES CARRIED THEREBY, WHEREBY COOLANT IS DIRECTED FROM THE HOLDER AGAINST THE NECK MOLD HALF.