Patent ID: 7361010

Claim:
An apparatus for injection molding wherein melt is conveyed to at least one cavity of a mold assembly, the mold assembly comprising at least one gate for receiving melt and each gate being in fluid communication with at least one mold cavity and comprising a recess wherein melt is received, the apparatus comprising a nozzle for conveying melt, the nozzle having an inlet for admitting melt, at least one outlet for directing melt to mold cavities, a nozzle body having a passage therethrough for conveying melt from the inlet to the outlet, and at least one split ring seal received in a groove in the exterior of the nozzle body, each split ring seal being displaceable relative to the associated groove, each split ring seal comprising end segments and an outside perimeter, and each split ring seal being sufficiently resilient to allow the outside perimeter to expand and contract to maintain contact of the split ring seal with the surface of the recess of a gate in which the outlet is received, the split ring seals maintaining separation of the periphery of the nozzle body from the recess surface.