An air-displacing vented dispenser cap for attachment to a dispenser container having a dispenser cap with a liquid dispensing spout outlet and a separate air inlet with a member therebetween defining an air flow passageway to act as a vent for air to enter the inside of the dispenser container on w
An air-displacing vented dispenser cap for attachment to a dispenser container having a dispenser cap with a liquid dispensing spout outlet and a separate air inlet with a member therebetween defining an air flow passageway to act as a vent for air to enter the inside of the dispenser container on which the dispenser cap would be mounted. By providing an integral air inlet within the dispenser cap, the liquid within the dispenser container can be displaced by air entering the container, such that the flow of egressing liquid will be a smooth flow without the conventional “glug-glug” effect.
대표청구항▼
1. An air-displacing vented dispenser cap for attachment to a dispenser container that contains liquid to be dispensed, comprising: a dispenser cap with a primary orifice that is a liquid dispensing spout outlet and a plurality of separate air inlets defining an air flow passageway to act as a vent
1. An air-displacing vented dispenser cap for attachment to a dispenser container that contains liquid to be dispensed, comprising: a dispenser cap with a primary orifice that is a liquid dispensing spout outlet and a plurality of separate air inlets defining an air flow passageway to act as a vent for the air to enter the inside of the dispenser container on which the dispenser cap would be mounted;said liquid dispensing spout outlet having a preselected spout opening cross-sectional area and performing a function of a spout from which the liquid is dispensed; andeach of the separate air inlets having a preselected inlet opening cross-sectional area performing a function of allowing air to ingress into the dispenser container to provide air displacement, thereby allowing liquid to egress through the liquid dispensing spout outlet smoothly;wherein the liquid dispensing spout outlet and the plurality of separate air inlets are adjacent one another, but positioned so that the plurality of air inlets will not be covered with liquid from the inside dispenser during the dispensing operation. 2. The dispenser cap of claim 1, wherein the plurality of air inlets includes a primary vent and at least one secondary vent, and the ratio of the cross-sectional area of the primary vent to a sum of the cross-sectional area of the at least one secondary vent is larger than 1. 3. The dispenser cap of claim 2, wherein the liquid dispensing spout outlet is disposed under the primary vent. 4. The dispenser cap of claim 1, wherein the liquid dispensing spout outlet is selected from the group consisting of a round outlet, a rectangular outlet, a triangular outlet or a combination of these shapes of outlets. 5. The dispenser cap of claim 1, wherein the liquid dispensing spout outlet and the plurality of air inlets are formed into a single piece integral component. 6. The dispenser cap of claim 1, further comprising a hinged sealing cap for the resealing the liquid dispensing spout outlet. 7. The dispenser cap of claim 1, further comprising a hinged sealing cap for resealing the plurality of air inlets, said hinged sealing cap comprising a flexible polymeric material. 8. The dispenser cap of claim 1, further comprising a self-clearing plug that clears the vent from any buildup of liquid. 9. An air-displacing vented dispenser cap for attachment to a dispenser container that contains liquid to be dispensed, comprising: a dispenser cap with a primary orifice that is a liquid dispensing spout outlet and a secondary orifice that is a separate air inlet defining an air flow passageway to act as a vent for the air to enter the inside of the dispenser container on which the dispenser cap would be mounted;said liquid dispensing spout outlet having a preselected spout opening cross-sectional area and performing a function of a spout from which the liquid is dispensed; andsaid separate air inlet having a preselected inlet opening cross-sectional area performing a function of allowing air to ingress into the dispenser container to provide air displacement, thereby allowing liquid to egress through the liquid dispensing spout outlet smoothly;wherein the liquid dispensing spout outlet and the separate air inlet are adjacent one another, but positioned so that the air inlet will not be covered with liquid from the inside dispenser during the dispensing operation; andwherein the liquid dispensing spout outlet, further comprising an externally extending flexible flange made of a polymeric material configured to seal with a second cap. 10. An air-displacing vented dispenser cap and second cap combination for attachment to a dispenser container that contains liquid to be dispensed, comprising: a dispenser cap with a second cap for resealing a primary orifice that is a liquid dispensing spout outlet and a plurality of separate air inlets defining an air flow passageway to act as a vent for the air to enter the inside of the dispenser container on which the dispenser cap would be mounted;said liquid dispensing spout outlet having a preselected spout opening cross-sectional area and performing a function of a spout from which the liquid is dispensed;each of the separate air inlets having a preselected inlet opening cross-sectional area performing a function of allowing air to ingress into the dispenser container to provide air displacement, thereby allowing liquid to egress through the liquid dispensing spout outlet smoothly;wherein the liquid dispensing spout outlet and the plurality of separate air inlets are adjacent one another, but positioned so that the air inlet will not be covered with liquid from inside the dispenser during the dispensing operation. 11. The dispenser cap of claim 10, wherein the plurality of air inlets includes a primary vent and at least one secondary vent, and the ratio of the cross-sectional area of the primary vent to a sum of the cross-sectional area of the at least one secondary vent is larger than 1. 12. The dispenser cap of claim 11, wherein the liquid dispensing spout outlet is disposed under the primary vent. 13. The dispenser of claim 10, wherein the liquid dispensing spout outlet is selected from the group consisting of a round outlet, a rectangular outlet, a triangular outlet or a combination of these shapes of outlets. 14. The dispenser cap and second cap of claim 10, wherein the liquid dispensing spout outlet and the plurality of air inlets are formed into a single piece integral component. 15. The dispenser cap and second cap of claim 10, wherein the second cap is a hinged sealing cap for resealing the liquid dispensing spout outlet. 16. The dispenser cap and second cap of claim 10, wherein the second cap is a hinged sealing cap for resealing the plurality of air inlets, said hinged sealing cap being made of a flexible polymeric material. 17. The dispenser cap and second cap combination of claim 10, further comprising a self-clearing plug that clears the vent from any buildup of liquid. 18. An air-displacing vented dispenser cap and second cap combination for attachment to a dispenser container that contains liquid to be dispensed, comprising: a dispenser cap with a second cap for resealing a primary orifice that is a liquid dispensing spout outlet and a secondary orifice is a separate air inlet defining an air flow passageway to act as a vent for air to enter the inside of the dispenser container on which the dispenser cap would be mounted;said liquid dispensing spout outlet having a preselected spout opening cross-sectional area and performing a function of a spout from which liquid is dispensed;said separate air inlet having a preselected inlet opening cross-sectional area performing a function of allowing air to ingress into the dispenser container to provide air displacement, thereby allowing liquid to egress through the liquid dispensing spout outlet smoothly;wherein the liquid dispensing spout outlet and the separate air inlet are adjacent one another, but positioned so that the air inlet will not be covered with liquid from inside the dispenser during the dispensing operation, and wherein the liquid dispensing spout outlet further comprises an externally extending flexible flange made of a polymeric material configured to seal with the second cap.
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이 특허에 인용된 특허 (3)
Branscum Tony E. (Cowley County KS), Combination ice screen and air vent for liquid container.
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