Patent ID: 7063239
Filing Date: 2006-06-20
Classification: A47K

Abstract:
1. Dispenser for foamed detergents, including a tank (R), a first cylinder (C) in which a first piston (P) airtightly slides for dispensing a liquid detergent introduced in said first cylinder (C) through a one-way valve (W), the first cylinder (C) being connected through a calibrated valve (V) to a foamer (F) where the detergent is mixed with air to form the foam which is dispensed through a dispensing chamber (U) provided with a nozzle (N), said air to form the foam being supplied from a second cylinder (C′) in which a second piston (P′) airtightly slides, characterized in that it further includes an additional third piston (S) connected to said first piston (P) through a shaft (A) and airtightly sliding in an additional third cylinder (C″) in communication with the outside through a one-way valve (Y), a duct (D) extending between said third cylinder (C″) and said dispensing chamber (U).