METHOD AND APPARATUS FOR MODIFYING PRESSURE WITHIN A FLUID DISPENSER
1 Assignment
0 Petitions
Accused Products
Abstract
A fluid dispenser comprising a barrel having a reservoir chamber, the barrel having an upper portion, a cap connected to the reservoir chamber, the cap having a surface with at least one hole therethrough, a valve comprising a biasing member and a hole sealer, the valve being adjacent to the reservoir chamber, a coupler having a dispense chamber, and a vent located between the cap and the reservoir chamber, the vent including a vent opening and a vent material composed of oliophobic material.
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Citations
41 Claims
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1-25. -25. (canceled)
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26. A fluid dispenser comprising:
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a barrel having a reservoir chamber, the barrel having an upper portion; a cap connected to the reservoir chamber, the cap having a surface with at least one hole therethrough; a valve comprising a biasing member and a hole sealer, the valve being adjacent to the reservoir chamber; a coupler having a dispense chamber; and a vent located between the cap and the reservoir chamber, the vent including a vent opening and a vent material composed of oliophobic material. - View Dependent Claims (27, 28, 29, 30, 31)
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32. A fluid dispenser comprising:
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a barrel having a reservoir chamber, the barrel having an upper portion; a cap connected to the reservoir chamber, the cap having a surface with at least one hole therethrough; a valve comprising a single-piece umbrella-shaped valve having a biasing portion, a stem and a seal located in the cap hole, the valve being adjacent to the reservoir chamber; a coupler having a dispense chamber; and a vent located between the cap and the reservoir chamber, the vent including a vent opening and a vent material composed of oliophobic material. - View Dependent Claims (33, 34, 35, 36)
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37. A fluid dispenser comprising:
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a barrel having a reservoir chamber, the barrel having an upper portion; a cap connected to the reservoir chamber, the cap having a surface with at least one hole therethrough, said cap further comprises a raised surface on the cap external surface that mates with the biasing portion of the valve; a valve comprising a biasing member and a hole sealer, the valve being adjacent to the reservoir chamber; a coupler having a dispense chamber; and a vent located between the cap and the reservoir chamber, the vent including a vent opening and a vent material composed of oliophobic material. - View Dependent Claims (38, 39, 40, 41)
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Specification