Pump dispenser having an improved discharge valve

Details Pump dispenser having an improved discharge valve Pump dispenser having an improved discharge valve

B - Operations, Transporting

05

B

B05B 11/00 (2006.01) B65D 47/34 (2006.01) B65D 83/76 (2006.01)

Patent

CA 2435840

A manual pump dispenser which includes a reciprocable pump piston has a discharge valve snap-fitted to the pump body for the outletting of the liquid product from the pump chamber, the discharge valve being formed of an elastomer material and comprising a comically-shaped valve element at one end sloping outwardly toward the discharge passage, the valve having a non-reentrant element at its opposite end for snap fit engagement with a transverse support web within the pump body through a coaxial opening thereof, the conically-shaped valve element seating against a circular valve seat having a complementary taper to that of the naive element.

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