Anti-seating valve cup

Details Anti-seating valve cup Anti-seating valve cup

1986-05-19

1988-03-15

Rolla, Joseph J.

Dispensing

With discharge assistant

Fluid pressure

141 3, 141 20, B65D 8300

Patent

active

047307528

ABSTRACT:
A valve cup for use in an aerosol dispenser is configured to provide an anti-seating feature. In one embodiment, dimples are impressed in the sidewalls of a valve cup to inhibit seating of the valve cup flange on the circular shaped ring around the periphery of an opening at one end of the aerosol dispenser. In a second embodiment, detents are placed on the edge of the flange in which the sidewalls of the valve cup terminate to inhibit the seating of the flange on the circular shaped ring.

REFERENCES:
patent: 3245591 (1966-04-01), Kneusel et al.
patent: 3912130 (1975-10-01), Pelton
patent: 4211344 (1980-07-01), Stoody
patent: 4416398 (1983-11-01), Knickerbocker

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