Fluid product dispensing head

Abstract

A fluid dispenser head for associating with a fluid dispenser member ( 5 ), such as a pump or a valve, the head comprising an outlet nozzle ( 1, 2 ) via which the fluid is dispensed out from the head, the nozzle including an elastically-deformable part ( 1 ) that, in use, forms a fluid dispenser orifice in the form of a self-sealing slot comprising two edges that are in mutual leaktight contact in the absence of fluid under pressure in the nozzle, the dispenser head being characterized in that the dispenser orifice does not exist before the head is used for the first time, the orifice being created by the fluid under pressure while the head is being used for the first time, or by the user.

1 . A fluid dispenser head for associating with a fluid dispenser member, such as a pump or a valve, the head comprising an outlet nozzle via which the fluid is dispensed out from the head, the nozzle including an elastically-deformable part that, in use, forms a fluid dispenser orifice in the form of a self-sealing slot comprising two edges that are in mutual leaktight contact in the absence of fluid under pressure in the nozzle, the dispenser head being characterized in that the dispenser orifice does not exist before the head is used for the first time. 
   
   
       2 . A dispenser head according to  claim 1 , in which the part includes a zone of weakness defining a slot starter that is suitable for tearing under the pressure of the fluid, the orifice thus being created by the fluid under pressure while the head is being used for the first time. 
   
   
       3 . A dispenser head according to  claim 2 , in which the slot starter is formed by the wall thickness of the part being reduced locally. 
   
   
       4 . A dispenser head according to  claim 1 , in which the nozzle further includes a tube on which the deformable part is mounted, the tube internally defining a fluid outlet channel. 
   
   
       5 . A dispenser head according to  claim 4 , further including a body defining an internal fluid duct and a reception housing for receiving the tube in such a manner as to extend the duct by the outlet channel of the tube. 
   
   
       6 . A dispenser head according to  claim 5 , in which the body includes a connection sleeve for connecting on an actuator rod of a dispenser member. 
   
   
       7 . A dispenser head according to  claim 4 , in which the part comprises a front dispenser wall forming the dispenser orifice after use, and a fastener ring engaged around the tube. 
   
   
       8 . A dispenser head according to  claim 7 , in which the part is situated entirely outside the body. 
   
   
       9 . A dispenser head according to  claim 4 , in which the part is molded onto the tube. 
   
   
       10 . A dispenser head according to  claim 4 , in which the part is dual-injected with the tube. 
   
   
       11 . A dispenser head according to  claim 5 , further including a cover in which the body is housed, the part projecting laterally from the cap.