Spray head for liquids

Abstract

Abstract In a spray head for spraying liquids, in particular adhesives, such as melting adhesives or lacquers, having at least one feed channel for the liquid, having at least one feed channel for a gas stream, and having an outlet orifice for the liquid/gas mixture, the feed channel or every heat channel respectively for the liquid ends in a first, longitudinally extended intermediate chamber; the feed channel or every feed channel respectively for the gas stream ends in a second, longitudinally extended intermediate chamber; the two longitudinally extended intermediate chambers are connected via retention chambers which taper in the direction of transport, in which chambers the gas and the liquid are strongly accelerated, to a common slot-shaped nozzle gap. <IMAGE>

Inventors

• 👤 Grant Mcguffy

Bibliographic Details