Patent ID: 9126223
Filing Date: 2015-09-08
Classification: B05B,B05C

Abstract:
1. A dispensing module for dispensing an adhesive, comprising: a dispenser body assembly having a liquid supply passage extending therethrough; a nozzle member including a liquid passageway extending therethrough, the liquid passageway fluidly connected to the liquid supply passage and including a discharge passageway defining an outlet, a first converging surface tapering conically toward the outlet, a bore extending toward the outlet, and a shoulder positioned between the first converging surface and the bore; a valve element extending along an axis within the liquid passageway, the valve element having a bulbous end portion movable along the axis between an open position and a closed position, the bulbous end portion having a valve needle distally projecting therefrom along the axis, the valve needle sized smaller than the bore to inhibit obstruction to the discharge passageway for the adhesive flowing thereto; and a valve seat defined by an intersection between the shoulder and the bore as a circular line of contact, the circular line of contact sealing against the bulbous end portion in the closed position such that at least a region of the valve needle projects into the discharge passageway for inhibiting clogging of the adhesive proximate to the outlet; wherein the bore further includes: