Patent ID: 8100080

Claim:
A dispensing apparatus for applying hot melt adhesive to a substrate, comprising: a main body configured to be coupled to an adhesive source; a nozzle arrangement coupled to the main body, the nozzle arrangement including a one-piece nozzle portion, a distributor passage located in the one-piece nozzle portion and communicating with the main body to receive hot melt adhesive from the adhesive source, at least one outlet slot defined at least partially by the one-piece nozzle portion, and a plurality of bores located in the one-piece nozzle portion and providing communication between the distributor passage and the at least one outlet slot; an application valve coupled to the main body for selectively interrupting or enabling flow of hot melt adhesive from the main body into the distributor passage; and a closure body movably arranged in the distributor passage and operable to vary a length of the distributor passage.