1. A PRESS FOR FORMATION OF AN ARTICLE COMPRISING: A BED WITH A DIE SECURED THERETO TO SUPPORT A BLANK PROVIDED WITH A HOLE; GUIDES NORMALLY SECURED TO SAID BED; A SOURCE OF HYDRAULIC PRESSURE; A DEVICE INCLUDING A RAM DISPOSED FOR APPLICATION THERETO OF THE HYDRAULIC PRESSURE FOR RECIPROCAL SLIDABLE OPERATION ON SAID GUIDES IN POWER AND RETURN STROKES FROM A STARTING POSITION; INNER AND OUTER PISTONS DISPOSED IN CONCENTRIC RELATION AND MOUNTED IN SAID DEVICE WITH SAID INNER PISTON PROVIDED WITH A HEAD SLIDABLY DISPOSED IN SAID OUTER PISTON, A PLUNGER HAVING A PILOT SECURED THERETO FOR ENGAGEMENT WITH SAID HOLE, AND A STEM SECURED BETWEEN SAID HEAD AND SAID PLUNGER AND SAID OUTER PISTON PROVIDED WITH SPACED FLANGES TO SECURE TOGETHER SAID PISTONS AND GUIDE SAID STEM IN THE CONCENTRIC RELATION, AND A PAD FOR ENGAGEMENT WITH SAID BLANK IN THE POWER STROKE; A RING SECURED TO SAID RAM TO RETAIN THEREIN SAID OUTER PISTON; AND A SHOE OF RESILIENT MATERIAL ENCLOSED BY SAID RAM AND SAID CONCENTRIC PISTONS; SAID RAM AND SAID OUTER PISTON BEING DISPOSED FOR COMPRESSION THEREBETWEEN OF A PORTION OF SAID SHOE FOR FLOW OF THE MATERIAL THEREOF AND CONSEQUENT DISPLACEMENT OF SAID INNER PISTON IN THE POWER STROKE FOR SEQUENTIAL ENGAGEMENT WITH THE BLANK OF SAID PILOT, PAD AND PLUNGER FOR THE FORMATION OF THE ARTICLE RESPONSIVE TO THE COMPRESSION; AND SAID DEVICE DISPOSED FOR RETURN STROKE DISENGAGEMENT OF SAID PILOT, PAD AND PLUNGER FROM THE ARTICLE RESPONSIVE TO RELIEF OF THE HYDRAULIC PRESSURE.