Molding assembly for internal combustion engine blocks

Claim 1

A MOLDING ASSEMBLY INCLUDING A FLASK HAVING A COPE AND A DRAG COOPERATING TO FORM A MOLD CAVITY APPROPRIATE TO DEFINE THE EXTERIOR SURFACE CONFIGURATIONS OF A V-TYPE MULTI-CYLINDER INTERNAL COMBUSTION ENGINE FRAME ADAPTED TO BE CAST THEREIN, A CORE ASSEMBLY ADAPTED FOR USE IN THE FLASK AND BEING POSITIONABLE IN THE MOLD CAVITY IN SPACIAL RELATIONSHIP WITH WALL PORTIONS THEREOF TO DEFINE INTERIOR SURFACE CONFIGURATIONS OF THE ENGINE FRAME, SAID CORE ASSEMBLY COMPRISING A PLURALITY OF ASSOCIATED CORE ELEMENTS INCLUDING: A UNITIZED CRANKCASE CORE HAVING A PLURALITY OF ALIGNED CORE BODY PORTIONS OF GENERALLY TRIANGULAR SHAPE FORMED TOGETHER AS A UNIT BUT BEING LOCALLY SPACED APART TO EXPOSE THE INNER ADJACENT SIDE SURFACES THEREOF, OTHER SURFACES OF THE CORE BODY PORTIONS BEING ENGAGEABLE WITH SURFACES WITHIN THE MOLD CAVITY AND COOPERATING WITH SAID SIDE SURFACES TO DEFINE THE BULKHEAD AND BEARING STRUCTURE FOR THE ENGINE FRAME, SAID INNER ADJACENT SIDE SURFACES OF THE CORE BODY PORTIONS OPENING DOWNWARDLY AND OUTWARDLY IN RECTILINEAR FASHION WITH RESPECT TO THE VERTICAL TRANSVERSE PLANE THROUGH THE CENTER OF THE BULKHEAD SPACES, AND INCLINED CYLINDER BARREL CORE PORTIONS INTEGRALLY FORMED WITH THE CORE BODY PORTIONS AND PROJECTING FROM THE TRIANGULAR SIDE SURFACES THEREOF IN PLANES GENERALLY PARALLEL TO THE TRANSVERSE PLANES PASSING THROUGH THE BULKHEAD SPACES FORMING PARALLEL INCLINED BARREL CORE ROWS; AND A PAIR OF WATER JACKET CORES EACH BEING POSITIONABLE ADJACENT A BARREL CORE ROW AND HAVING GENERALLY CYLINDRICAL BODY PORTIONS ADAPTED TO SURROUND EACH SAID CYLINDER BARREL CORE PORTION IN SPACED RELATIONSHIP THERETO AND TO SAID CORE BODY PORTIONS AND MOLD CAVITY WALLS, AND CORE EXTENSION MEANS FORMED THEREON ADAPTED FOR ENGAGEMENT WITH SAID CYLINDER BARREL CORE PORTIONS AND THE WALLS OF THE MOLD CAVITY FOR SUPPORTING SAID WATER JACKET CORE AND FOR MAINTAINING THE SPACIAL RELATIONSHIP THEREOF DURING CASTING.