Patent ID: 6789745
Filing Date: 2004-09-14
Classification: B29C

Abstract:
A nozzle system for an injection molding apparatus, said nozzle system comprising:a nozzle body (12) defining a first melt channel (24), said first melt channel capable of communicating with a source of pressurized melt, a nozzle tip (14), and an alignment member (16) for retaining said nozzle tip within said nozzle body, said nozzle tip (14) having a first portion (32) and a second portion (34), said nozzle tip (14) defining a second melt channel (38), said second melt channel (38) extending from an inlet (62) adapted to communicate with said first melt channel (24) to an opening (40) defined in an end of said nozzle tip (14), said opening (40) adapted to communicate with a mold cavity having a gate, said second melt channel (38) having a first section (60) defined in said first portion (32), a second section 64 and third section (66) defined in said second portion (34), said first section (60) extending from said inlet along a first axis (22), said third section (66) communicating with said first section (60) through said second section (64) and extending to said opening (40) along a second axis, said second axis being offset from said first axis (22) said second section being inclined with respect to said first section and with respect to said third section, and wherein a straight through channel (72) offset from said first axis (22) is provided by said first, second and third sections of said second melt channel (38) from said inlet (62) to said gate.