The Procter & Gamble Company
Aerosol dispenser with integral vent outer container therefor and preform therefor

Abstract:

An aerosol dispenser, an outer container for an aerosol dispenser and a preform for an outer container. The aerosol dispenser, outer container and preform each have a neck, which in turn has a crimp ring, to receive a valve cup clinched thereto. The crimp ring has slots which act as vents therethrough. The vents may be exposed to pressurized propellant and product due to deformation of the neck during undue internal pressurization. The vents to relieve propellant and product therethrough in the event of overpressurization.