Patent ID: 6258168
Filing Date: 2001-07-10
Classification: B05C

Abstract:
Apparatus for applying to a running substrate at least one film of an adhesive normally containing a preselected percentage of an evaporable constituent, comprising:a vessel for a supply of adhesive;means for supplying to the vessel a flow of adhesive;a rotary applicator having a surface dipping into said supply to continuously draw a film of adhesive from the vessel, to apply the withdrawn film to the running substrate outside of the vessel, and to thereupon reenter the vessel and restore the film;means for limiting the quantity of adhesive leaving the vessel with said surface;signal generating means for monitoring the supply of adhesive in the vessel to ascertain the actual percentage of evaporable constituent;a source of evaporable constituent; andmeans for admitting evaporable constituent from said source to the adhesive in response to signals denoting that the actual percentage of evaporable constituent is below said preselected percentage.