Patent ID: 7344372

Claim:
A nozzle for an injection molding apparatus, comprising: a nozzle body having a nozzle melt channel with a longitudinal axis; a nozzle tip, including, a first melt channel in fluid communication with the nozzle melt channel, the first melt channel having a first melt channel longitudinal axis, and a second melt channel in fluid communication with the first melt channel and having a second melt channel longitudinal axis that is substantially normal with respect to the first melt channel longitudinal axis; a retaining device that positions the nozzle tip with respect to the nozzle body; and an annular melt channel formed between the nozzle tip and the retaining device, wherein a first portion of the annular melt channel comprises a decompression chamber and a second portion of the annular melt channel comprises a compression chamber downstream of the decompression chamber and wherein an outlet of the nozzle tip second melt channel is in direct fluid communication with the decompression chamber of the annular channel.