Pump dispenser having one-piece plastic spring and gasket

Details Pump dispenser having one-piece plastic spring and gasket Pump dispenser having one-piece plastic spring and gasket

B - Operations, Transporting

65

D

B65D 47/34 (2006.01) B05B 9/043 (2006.01) B05B 11/00 (2006.01) G01F 11/02 (2006.01)

Patent

CA 2305296

A container-mounted pump dispenser having a body with a vertical cylinder and piston is provided with a one-piece spring/gasket. The spring/gasket is a resilient bowl-shaped spring attached at its lower end about the piston stem and at its upper end comprises an annular gasket to be squeezed between the dispenser mounting cap and the container finish.

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