Patent ID: 7396226

Claim:
A hot runner system, comprising a manifold defining a manifold melt channel, the manifold being configured to receive melt from a melt source; a nozzle including a nozzle body and at least one nozzle tip, the nozzle being coupled to the manifold, wherein the nozzle defines a nozzle melt channel that is in fluid communication with the manifold melt channel; and a nozzle sealing assembly including a cup-shaped nozzle seal cap coupled to the nozzle body and surrounding a tip portion of the nozzle body, the nozzle seal cap including at least one nozzle tip aperture; and a sealing ring coupled to an outer surface of the nozzle seal cap, wherein the at least one nozzle tip extends through the at least one nozzle tip aperture and is coupled to the nozzle body.