Shoe upper moulding and heel-seat lasting machines

Claim 1

A MACHINE FOR SHOE UPPER MOULDING AND HEEL-SEAT LASTING COMPRISING IN COMBINATION A FRAME, MEANS ON SAID FRAME FOR SECURING A LAST ONTO WHICH AN UPPER HAS BEEN POSITIONED FOR MANUFACTURING A SHOE; A COUNTER-DIE COMPRISING A RIGID WALL ADAPTED TO ENCOMPASS THE REAR PORTION OF SAID LAST AT A DISTANCE THEREFROM, MEANS FOR MOUNTING SAID COUNTER-DIE ON SAID FRAME FOR RECIPROCATORY MOVEMENT TOWARDS AND AWAT FROM SAID REAR PORTION IN THE DIRECTION OF THE LENGTH OF SAID LAST; A FLEXIBLE FLUIDTIGHT WALL SECURED TO SAID RIGID WALL, ON THE SIDE THEREOF FACING SAID LAST, FOR DEFINING A FLUID-TIGHT CHAMBER WITH SAID RIGID WALL, MEANS FOR INTRODUCING A FLUID UNDER PRESSURE INTO SAID CHAMBER; A PAIR OF RIGID PLATE MEMBERS ON SAID COUNTER-DIE EXTENDING ALONG SAID FLEXIBLE WALL, SAID MEMBERS EACH HAVING A CURVED END PORTION LOCATED AT A LEVEL JUST ABOVE THE HEEL SURFACEOF SAID REAR PORTIONS, MEANS MOUNTING SAID CURVED END PORTINS FOR PIVOTAL MOVEMENT TOGETHER, AND EACH MEMBER INCLUDING A FORE PORTION SLIDABLY MOUNTED ON SAID DIE FOR RECIPROCATION IN DIRECTIONS TRANSVERSE TO THE DIRECTION OF MOVEMENT OF SAID COUNTER-DIE, AND MEANS FOR RESILIENTLY URGING SAID FOR PORTIONS OF SAID PLATE MEMBERS AWAY FROM SAID LAST, WHEREBY SAID CURVED END PORTIONS OF SAID MEMBERS ARE APPLIED ONTO THE HEEL SURFACE OF SAID UPPER WHEN SAID COUNTER-DIE IS BROUGHT TOWARDS SAID LAST AND FLUID UNDER PRESSURE IS INTRODUCED INTO SAID CHAMBER.