Patent ID: 8196847

Claim:
A fluid spray head assembly comprising: a spray head comprising an expulsion channel ( 5 ) provided with a spray orifice ( 1 ) and a spray profile ( 10 ) formed in an end wall of said spray head, said spray profile ( 10 ) comprising non-radial spray channels ( 11 ) opening out to a central spray chamber ( 12 ) disposed directly upstream from said spray orifice ( 1 ); an insert ( 20 ) forming an internal nozzle, the insert being introduced through the inside of the spray head and being disposed in said expulsion channel ( 5 ) so as to form a base surface for said spray profile ( 10 ), the central axis (X) of said insert ( 20 ) being substantially identical to the central axis (Y) of said expulsion channel ( 5 ); and said spray head comprising centering means for centering said insert ( 20 ), said expulsion channel ( 5 ) including said centering means for centering said insert ( 20 ), said centering means formed on a surface of the spray head that forms the expulsion channel at a location directly adjacent to a top end of the insert, the top end of the insert facing the spray profile ( 10 ) formed in the end wall of the spray head; wherein the central spray chamber is between the spray orifice of the spray head and the insert; and wherein the insert is formed separately from the spray head.