Patent ID: 8474661
Filing Date: 2013-07-02
Classification: B05B

Abstract:
1. Dispenser of fluid products comprising a ring nut ( 2 ) able to be associated to a container of a fluid product; a substantially hollow dispensing head ( 8 ) able to slide coaxially relative to said ring nut ( 2 ); said dispensing head ( 8 ) comprising a dosing chamber ( 14 ) obtained inside said dispensing head ( 8 ) and a dispensing nozzle ( 12 ) to allow the outflow of said fluid product; said dosing chamber ( 14 ) having a containment volume that can vary between a configuration of maximum volumetric capacity when said dosing chamber ( 14 ) is isolated and a configuration of minimum volumetric capacity; said dispenser being characterised in that it further comprises a deformable membrane ( 15 ) fastened to said ring nut ( 2 ) and a deformable disc-shaped body ( 16 ) fastened to said dispensing head ( 8 ) and defining said dosing chamber ( 14 ) in combination with said membrane ( 15 ); wherein said membrane ( 15 ) presents an upper edge ( 15 b ) in contact with a lateral edge ( 16 a ) of said disc-shaped body ( 16 ) when said dispensing head ( 8 ) is in said first position to isolate said dosing chamber ( 14 ); said upper edge ( 15 b ) being moved away from said lateral edge ( 16 a ) of said disc-shaped body ( 16 ) during a passage from said first position to said second position of said dispensing head ( 8 ) to allow fluid communication between said dosing chamber ( 14 ) and said dispensing nozzle ( 12 ).