CPC F16K 1/303 (2013.01) [F16K 1/308 (2013.01); F16K 41/02 (2013.01); F17C 13/04 (2013.01); F17C 2205/0323 (2013.01); F17C 2205/0382 (2013.01); F17C 2205/0388 (2013.01)] | 11 Claims |
1. A dispenser, the dispenser comprising:
a container comprising a first end portion, a second end portion, and a sidewall extending between the first end portion and the second end portion, wherein the first end portion comprises a neck defining an opening, and wherein the neck has an outer neck portion and an inner neck portion;
a valve body extending about a longitudinal axis, the valve body comprising:
a first hoop member comprising a first hoop outer portion positioned adjacent the inner neck portion, a first hoop inner portion, a first hoop upper surface, and a first hoop lower surface; and
a second hoop member comprising a second hoop outer portion, a second hoop inner portion, a second hoop upper surface, and a second hoop lower surface, wherein the second hoop inner portion extends about the longitudinal axis defining a passageway, wherein the passageway comprises a first passageway opening, a second passageway opening opposite the first passageway opening, and a passageway surface extending from the first passageway opening to the second passageway opening,
wherein a portion of the second hoop upper surface is joined to a portion of the first hoop lower surface;
a transition portion defined by the joining of the first hoop member and the second hoop member;
a valve seal comprising a first seal portion and a second seal portion, wherein the first seal portion is joined to at least a portion of the passageway surface, wherein the second seal portion of the valve seal extends about at least one of the second passageway opening and the first passageway opening;
a valve stem extending through the passageway, wherein the valve stem comprises an outer stem surface and an inner stem surface opposite the outer stem surface; and,
wherein the second hoop member defines a valve cavity that extends from the second passageway opening towards the neck, the second seal portion of the valve seal extends into at least a portion of the valve body cavity, and wherein the valve cavity extends from the second hoop lower surface toward the second hoop upper surface.
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