Pistola para espuma de poliuretano ou semelhante

摘要

Polyurethane foam is applied e.g. between a window frame and a window aperture by a gun having a trigger (28) with flat and parallel side faces (32) which project into a recess (36) of the gun grip (14). Pref. the underside of the figure is enclosed and the trigger can be moved within the gun housing (12). An adapter (24) may be provided for connection of a polyurethane foam can to be gun.