Patent ID: 6869276

Claim:
A nozzle for an injection molding apparatus, comprising: a nozzle body, said nozzle body defining a nozzle body melt passage, wherein said nozzle body melt passage is adapted to be downstream from and in fluid communication with a melt source, and said nozzle body melt passage is adapted to be upstream from and in fluid communication with a gate into a mold cavity in a mold component; a heater that is thermally connected to said nozzle body for heating melt in said nozzle body melt passage; and a first gap seal surface positioned on a structure that is connected at least indirectly to said nozzle body, wherein said first gap seal surface is adapted to be separated by a gap with respect to a second gap seal surface on the mold component, wherein said gap is sized to inhibit the flow of melt between said first gap seal surface and said second gap seal surface.