Rapid charging valve for a pressurized dispenser

Details Rapid charging valve for a pressurized dispenser Rapid charging valve for a pressurized dispenser

1976-01-27

1977-04-05

Tollberg, Stanley H.

Dispensing

With discharge assistant

Fluid pressure

22240221, B65D 8314

Patent

active

040157520

ABSTRACT:
A valve for a pressurized dispenser which includes within a mounting cup, a valve housing and an annular gasket for sealing a discharge passage of a movable valve stem, the gasket having peripheral edge portions which do not extend to contact the valve cup surrounding wall, and a marginal portion between its peripheral edge and the portion clamped between the mounting cup and the valve housing, and which incorporates a clearance space within the cup and beyond the periphery of the gasket to accommodate the marginal portion of the gasket when stretched during the filling of the dispenser so that a flow path is provided to the outside of the housing. The gasket is preferably polygonal in shape, for example hexagonal.

REFERENCES:
patent: 3180374 (1965-04-01), Muller
patent: 3845887 (1974-11-01), Meuresch et al.

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