Patent ID: 7704069

Claim:
Injection molding apparatus comprising: a hot melt distribution block having a concave swivel seat; a hot melt discharge nozzle secured to said block and having a convex swivel base engaged with said swivel seat in a manner to permit the base to swivel within its seat, said nozzle further having a convex discharge nozzle tip; a mold having a pair of opposed mold halves that cooperatively define, when the mold is closed, a cavity and a cylindrical gate opening leading to the cavity, at least one of said mold halves being movable away from the other mold half to open the mold along a split line that longitudinally bisects the gate opening and the cavity; and a tubular insert mounted on said other mold half and having a cylindrical insert tip projecting into the gate opening and disposed in sealing engagement with sidewalls of the gate opening, said insert being disposed to receive the nozzle for delivery of hot melt from the nozzle to the cavity and having a concave, internal swivel seat disposed for swiveling engagement with said convex nozzle tip when the nozzle is received within the insert.