Die assemblies

Claim 1

A DIE ASSEMBLY COMPRISING, AN OUTER SUPPORT CASING HAVING A STEPPED BORE THERETHROUGH, SAID CASING HAVING A LONGITUDINALLY EXTENDING SLOT THROUGH A SIDE THEREOF TO FORM A SPLIT CASING, A REMOVABLE CYLINDRICAL SPACER RING HAVING A SLOT LENGTHWISE THEREOF DISPOSED TO SEAT IN SAID CASING STEPPED BORE IN ENGAGEMENT WITH THE WALL THEREOF, A REMOVABLE CYLINDRICAL DIE DISPOSED TO SEAT WITHIN SAID SLOTTED CYLINDRICAL SPACER RING IN ENGAGEMENT THEREWITH, SAID CASING HAVING A PAIR OF ALIGNED SCREW RECEIVING OPENINGS EXTENDING IN OPPOSITE DIRECTIONS FROM THE OPPOSITE FACES OF SAID SLOT THEREIN, ONE OF SAID OPENINGS BEING THREADED AND THE OTHER EXTENDING TO THE OUTER FACE OF SAID CASING AND HAVING A SUPPORTING SHOULDER THEREIN, A SCREW MEMBER DISPOSED IN SAID ALIGNED OPENINGS IN THREADED ENGAGEMENT WITH THE THREADS OF SAID ONE OPENING AND DISPOSED TO BE ADJUSTED TO SEAT THE HEAD THEREOF ON THE SHOULDER IN SAID OTHER OPENING WHEREBY SAID SCREW MEMBER MAY BE FURTHER ADJUSTED TO DRAW THE OPPOSED FACES OF SAID CASING SLOT TOWARDS EACH OTHER TO APPLY A COMPRESSIVE FORCE TO SAID SLOTTED SPACER TO EFFECTIVELY HOLD SAID DIE IN ASSEMBLED RELATION WHEN SEATED IN SAID SLOTTED CASING, AND MEANS CARRIED IN SAID OTHER OPENING TO PROVIDE A STOP CLOSELY ADJACENT THE HEAD OF SAID SCREW MEMBER WHEREBY ADJUSTMENT OF SAID SCREW MEMBER IN A DIRECTION TO DISENGAGE THE THREADED ENGAGEMENT WITH THE THREADS OF SAID ONE OF SAID OPENINGS SEATS SAID SCREW MEMBER AGAINST SAID STOP MEANS TO THEREBY LIMIT THE DISENGAGING LONGITUDINAL MOVEMENT OF SAID SCREW MEMBER IN SAID OTHER OF THE OPENINGS, SAID STOP MEANS THEREBY COOPERATING WITH SAID SCREW MEMBER TO MAINTAIN SAID SCREW MEMBER IN A PREDETERMINED POSITION IN SAID OTHER OPENING WHEREBY FURTHER ADJUSTMENT OF SAID SCREW MEMBER TO DISENGAGE THE THREADS OF SAID ONE OPENING EXERTS A POSITIVE DISENGAGING FORCE THERETO TO EFFECTIVELY SPREAD THE FACES OF SAID CASING SLOT TO RELEASE THE COMPRESSIVE FORCE ON SAID SLOTTED SPACER RING TO THEREBY RELEASE THE COMPRESSIVE FORCE ON SAID DIE WHEREBY SAID DIE AND SPACER RING MAY BE REMOVED FROM THE ASSEMBLY.