Self-aligning aerosol dispensing device

Details Self-aligning aerosol dispensing device Self-aligning aerosol dispensing device

1979-10-22

1981-03-10

Spar, Robert J.

Dispensing

With discharge assistant

Fluid pressure

222182, B65D 8314

Patent

active

042548993

ABSTRACT:
A self-aligning overcap and button for aerosol containers including a button having a side surface terminating upwardly in a cylindrical wall surrounding a recessed upper surface which includes two helical ramps extending in opposite directions from a well adjacent to the wall to meet in a substantially radial edge diametrically opposite the well, and an overcap for engagement with the button, the overcap having a pointed alignment pin extending from the underside of an actuator tab and in position for engagement with the ramps and dimensioned for free insertion into the well in the button. Rotational alignment of the overcap and the button are accomplished under the force of gravity. In preferred embodiments the cylindrical wall of the button has an upper edge defining a plane substantially perpendicular to the axis of the button. In other preferred embodiments the actuator tab includes a cylindrical guide-sleeve dimensioned to receive the button.

REFERENCES:
patent: 3058626 (1962-10-01), Hibbs et al.
patent: 3407975 (1968-10-01), Schroeder
patent: 3589570 (1971-06-01), Gach
patent: 3674184 (1972-07-01), Ewald
patent: 3738541 (1973-06-01), Greenebaum
patent: 4132333 (1979-01-01), Debard

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