A pushbutton for actuating a device for dispensing or spraying a fluid substance includes a hollow body 1 having an outlet end 2 in which an outlet orifice 3 is formed, the outlet end including an inside surface 2a which is not perpendicular to the axis 1a of the body. An adjustment member 10 is rotatably...http://www.google.fr/patents/US5261574?utm_source=gb-gplus-shareBrevet US5261574 - Closable and flow rate adjusting pushbutton for a hand-held fluid spray or dispenser device
Closable and flow rate adjusting pushbutton for a hand-held fluid spray or ...
