Dispensers for wet-on-demand substrates

1. A wet-on-demand dispenser comprising:

a housing;

a container for holding a fluid;

one or more wetting tips;

one or more movable valve members;

one or more conduits placing the one or more wetting tips in fluid communication with the container;

a roll of substrate;

wherein one or more sheets of substrate are dispensed from the dispenser;

wherein as the one or more sheets of substrate are dispensed from the dispenser, the one or more sheets of substrate contact the one or more movable valve members and move the one or more movable valve members to an open position to allow fluid to flow out of the one or more wetting tips onto the one or more sheets of substrate prior to the one or more sheets of substrate being dispensed from the dispenser.

2. The wet-on-demand dispenser of claim 1 wherein the one or more movable valve members are located at least partially within the one or more wetting tips.

3. The wet-on-demand dispenser of claim 1 wherein the roll of substrate is arranged horizontally.

4. The wet-on-demand dispenser of claim 1 comprising at least two or more wetting tips.

5. The dispenser of claim 1 wherein the container is removable.

6. The dispenser of claim 1 wherein one or more biasing member biases the one or more movable valve members toward a closed position.

7. The dispenser of claim 1 further comprising one or more diffusers for diffusing fluid flowing out of the one or more wetting tips.

8. The dispenser of claim 1 further comprising a pump for pumping fluid from the container to the one or more wetting tips.

9. The dispenser of claim 1 wherein a first number of wetting tips may be utilized to wet the substrate to a first degree of wetness and wherein a second number of wetting tips may be utilized to wet the substrate to a second degree of wetness, wherein the second degree of wetness is wetter than the first degree of wetness.

10. A dispenser for dispensing wet-on-demand substrates comprising:

a housing;

a container for holding a fluid;

a plurality of wetting tips in fluid communication with the container;

each of the wetting tips having a movable valve member;

a holder for holding a roll of one or more sheets of substrate;

wherein when the movable valve members are contacted by the one or more sheets of substrate and the one or more movable valve members are moved to an open position by the contact with the one or more sheets of substrate allowing fluid to flow onto the one or more sheets of substrate prior to the one or more sheets of substrate being removed from the dispenser.

11. The dispenser of claim 10 further comprising a refill port for refilling the container.

12. The dispenser of claim 10 wherein the container is removable.

13. The dispenser of claim 10 wherein the movable valve members move in an upward direction to dispense fluid.

14. The dispenser of claim 10 wherein the moveable valve members pivot to dispense fluid.

15. The dispenser of claim 10 a biasing member for biasing a roll of substrate in one of an upward and a downward position.

16. The dispenser of claim 10 wherein a biasing member biases the movable valve members toward a closed position.

17. The dispenser of claim 10 further comprising a second container, wherein one of the first container and the second container contains water and the other of the first container and the second container contains a diluent.

18. The dispenser of claim 10 wherein a first number of wetting tips may utilized to wet the substrate to a first degree of wetness and where a second number of wetting tips may be utilized to wet the substrate to a second degree of wetness, wherein the second degree of wetness is wetter than the first degree of wetness.

19. The dispenser of claim 18 further comprising a switch to switch between the first degree of wetness and the second degree of wetness.

20. A dispenser for dispensing wet-on-demand substrates comprising:

a housing;

a first container for holding a concentrated fluid;

a second container for holding a diluent;

a mixing chamber for mixing the concentrated fluid and the diluent;

a plurality of wetting tips in fluid communication with the mixing;

each of the wetting tips having a movable valve member;

a holder for holding a roll of substrate;

wherein when the movable valve members are contacted by the substrate as the substrate is being dispensed and the movable valve members are moved to an open position as a function of contact with the substrate; and

wherein a mixture of the concentrated fluid and diluent is applied to the substrate through the plurality of wetting tips prior to the substrate being dispensed from the dispenser.