Patent ID: 7467940

Claim:
A nozzle comprising: a nozzle body having a passageway configured to be in fluid communication with a source or resin and an exterior surface comprising a first shoulder extending generally outwardly from a first contact surface; a retention ring disposed about a first portion of said exterior surface of said nozzle body and extending generally outwardly from said nozzle body, said retention ring comprising a first material that is weld-compatible with said nozzle body; a weld between said retention ring and said first portion of said nozzle body; and a seal comprising a second material that is not weld-compatible with said nozzle body, said seal surrounding at least a portion of said contact surface of said nozzle body, wherein said seal substantially abuts against at least a portion of said first shoulder and said retention ring such that seal substantially cannot move relative to said nozzle body.