A multiple-barreled resin dispensing device having a syringe, an exit conduit, a static mixing element, means for detachably coupling the inlet of the exit conduit to the outlet end of the syringe, and means for locating the static mixing element within the exit conduit to provide rotational alignment...http://www.google.com/patents/US4538920?utm_source=gb-gplus-sharePatent US4538920 - Static mixing device