公开(公告)号：EP2310142A2

公开(公告)日：2011-04-20

申请号：EP09784503.6

申请日：2009-07-10

申请人： Valois SAS

发明人： MARETTO, Emanuele ,  MARGHERITIS, Antonio ,  DALLARA, Guido

IPC分类号： B05B11/00

CPC分类号： B05B11/3004 ,  B05B11/0067 ,  B05B11/3016 ,  B05B11/3047

摘要： A pump for dispensing a fluid product, having a pump body, at least one first piston sliding in a sealed manner in said pump body in order to discharge a quantity of fluid product on each actuation through a dispensing orifice (45) provided in a dispensing head (40), an open/close element (38) which is able to move between a closed position and an open position being arranged in said dispensing head (40) upstream of said dispensing orifice (45), said open/close element (38) being forced towards its closed position by a resilient element such as a spring, said open/close element (38) engaging in the closed position in a sealed manner with said dispensing head (40) in at least three separate sealing regions (381, 382, 383).