Extrusion equipment

Claim 1

IN A HORIZONTAL MATERIAL-WORKING APPARATUS INCLUDING A FEMALE DIE AND CORE EXTENDING INTO THE FEMALE DIE TO FORM A DIE ORIFICE THEREWITH, SAID DIE ORIFICE LYING IN A VERTICAL PLANE NORMAL TO THE AXIS OF THE CORE, A TOOL CONTAINER FOR SUPPORTING THE FEMALE DIE IN SUBSTANTIAL REGISTRY WITH THE CORE AND PROVIDING A SEMI-CIRCULAR ARCUATE LEDGE PROJECTING AWAY FROM THE PLANE OF THE DIE ORIFICE BELOW THE HORIZONTAL AXIS OF THE CORE AND DIE ORIFICE, A TOOL-RETAINING RING HAVING A COMPLEMENTARY SEMI-CIRCULAR SURFACE SUPPORTED ON THE SEMI-CIRCULAR ARCUATE LEDGE, SAID TOOL-RETAINING RING HAVING POSITIVE CONNECTION WITH THE FEMALE DIE, A PAIR OF ADJUSTING MEMBERS CARRIED BY THE TOOL CONTAINER AND ENGAGEABLE WITH THE TOOLRETAINING RING, SAID ADJUSTING MEMBERS BEING OPERABLE TO RELATIVELY AND ROTATABLY SHIFT THE TOOL-RETAINING RING OVER THE COMPLEMENTARY ARCUATE SURFACE OF THE PROJECTING LEDGE TO BRING THE TOOL-RETAINING RING AND POSITIVELY CONNECTED FEMALE DIE INTO PRECISE REGISTRY WITH THE CORE IN THE VERTICAL PLANE NORMAL TO THE AXIS OF THE CORE, AND LOCKING MEANS ASSOCIATED WITH THE ADJUSTING MEMBERS FOR MAINTAINING THE PRECISE REGISTRATION.