Dip tube connectors and pump systems using the same
AssigneeMeadWestvaco Calmar, Inc.
InventorsRobert J. Good, David L. Dejong, Joseph R. Krestine
Life of this patent
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Abstract
A pump system may include a blown-in dip tube connected to a valve body and having a connection which may include an improved blown-in dip tube connector having one or more of a lip for sealing with a blown-in dip tube, a seal ring configured to mate with a blown-in dip tube and seal therewith, a dip tube lock for mating with a blown-in dip tube, or an o-ring for providing an improved seal with a blown-in dip tube.
Claims25
A pump system, comprising:
- a valve body comprising at least one connector;
- a piston;
- a trigger;
- a spring;
- a valve;
- and
- a blown-in dip tube connector, comprising:
- a fluid inlet;
- a connector head;
- a fluid flow path between the fluid inlet and the connector head;
- and
- at least one connector lip on the connector head, wherein the at least one connector lip mates with the at least one connector to retain the blown-in dip tube in connection with the valve body.
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A pump system, comprising:
- a container comprising a blown-in dip tube;
- a trigger sprayer, comprising:
- a valve body, comprising:
- a piston chamber;
- a fluid passageway;
- and
- at least one connector;
- a piston positioned in the piston chamber;
- a trigger in communication with the piston;
- a spring;
- a valve in the fluid passageway;
- a valve retainer seated in the fluid passageway;
- and
- a blown-in dip tube connector connected to the at least one connector of the valve body.
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An improved blown-in dip tube connector for connecting a blown-in dip tube of a container with a fluid passageway of a trigger sprayer, wherein the improvement comprises at least one connector lip on the blown-in dip tube connector, wherein the at least one connector lip is configured to mate with a connector of the trigger sprayer to retain the blown-in dip tube connector with the trigger sprayer.
Dependencies are inferred from the claim text.