Patent ID: 6227461
Filing Date: 2001-05-08
Classification: B29C

Abstract:
A flow nozzle for conveying plastic melt to a mold cavity, said nozzle comprising:(a) a nozzle body having a passageway extending therethrough from a plastic melt inlet to a plastic melt outlet, the nozzle body including a recess surrounding and communicating with the plastic melt outlet;(b) a tip member slidably received within the recess, the tip member including a passageway that communicates with the nozzle body passageway at a first end of the tip member and that terminates at a second end of the tip member for communication with a mold cavity;(c) an annular seal member surrounding the tip member and positioned within the nozzle body recess; and(d) a compression cap engageable with the nozzle body adjacent the plastic melt outlet, the compression cap having an opening adapted to permit the tip member to extend at least partially therethrough and including engagement means for connecting the compression cap with the nozzle body and for applying a compressive force against the annular seal member to cause the seal member to tightly engage the tip member and the nozzle body recess, establishing direct contact between the seal member and each of the tip member, nozzle body recess and compression cap to retain the tip member and to confine the flow of plastic melt from the nozzle body passageway to the tip member passageway.