Double seal valve stem

Details Double seal valve stem Double seal valve stem

1975-09-10

1977-03-22

Reeves, Robert B.

Dispensing

With discharge assistant

Fluid pressure

251353, B65D 8314

Patent

active

040131971

ABSTRACT:
A double seal valve stem comprising a substantially tubular elongated upper portion having a cylindrically shaped cavity communicating with at least one dispensing port extending through the side wall thereof and an enlarged substantially cylindrical lower portion including an annular beveled upper portion to form an annular groove therebetween such that when operatively assembled within an aerosol dispenser the side wall of the upper portion and the beveled surface of the lower portion seal against a sealing ring gasket arranged in the turret of the mounting to form a double seal.

REFERENCES:
patent: 3121517 (1964-02-01), Geary et al.
patent: 3128924 (1964-04-01), Gorman
patent: 3383157 (1968-05-01), Goldhirsh
patent: 3499584 (1970-03-01), Warren
patent: 3615042 (1971-10-01), Marand
patent: 3647121 (1972-03-01), Ayres

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