Fluid delivery system
AssigneeThe Gillette Company
InventorsJean L. Spencer, Crispin M. Miller, John M. Fritz, John Thompson
Life of this patent
Estimating the term…
Abstract
A hand-held fluid delivery system includes a rigid body, a collapsible enclosure within the body, a fluid (e.g., correction fluid) within the enclosure, and a delivery end in communication with the collapsible enclosure. The delivery system preferably includes a spring that applies pressure to deliver fluid from the collapsible enclosure to the delivery end.
Claims136
A hand-held fluid delivery system, comprising
- a rigid body including a cavity;
- a collapsible enclosure within the cavity;
- at least 1 ml of deliverable fluid within the collapsible enclosure;
- and
- a fluid delivery end in communication with the collapsible enclosure;
- wherein fluid within the collapsible enclosure is under pressure during use of the delivery system to deliver fluid from the collapsible enclosure through the fluid delivery end to a substrate;
- and
- wherein the pressure on the fluid does not change more than 20% over at least a 1 ml decrease in volume of the fluid in the collapsible enclosure over a 10.degree. C. temperature change between 10.degree. C. and 30.degree. C.
A hand-held fluid delivery system, comprising
- a rigid body including a cavity;
- a collapsible enclosure within the cavity;
- at least 1 ml of deliverable fluid within the collapsible enclosure;
- and
- a fluid delivery end in communication with the collapsible enclosure;
- wherein the fluid within the collapsible enclosure is under pressure during use of the delivery system to deliver fluid from the collapsible enclosure through the delivery end to a substrate;
- and
- wherein the pressure on the fluid in the collapsible enclosure does not change more than 15% after a 50% decrease in volume of the fluid in the collapsible enclosure over a 10.degree. C. temperature change between 10.degree. C. and 30.degree. C.
A hand-held fluid delivery system, comprising
- a rigid body including a cavity;
- a collapsible enclosure within the cavity;
- at least 1 ml of deliverable fluid within the collapsible enclosure;
- and
- a fluid delivery end in communication with the collapsible enclosure, wherein the collapsible enclosure includes an inner layer and an outer layer, the inner layer being fused to the fluid delivery end;
- wherein the fluid within the collapsible enclosure is under pressure during use of the delivery system to delivery fluid from the collapsible enclosure through the delivery end to a substrate;
- and
- wherein the change in pressure on the fluid in the collapsible enclosure is less than 0.15 psi after a 50% decrease in volume of the fluid in the collapsible enclosure over a 10.degree. C. temperature chance between 10.degree. C. and 30.degree. C.
A hand-held fluid delivery system, comprising
- a rigid body including a cavity;
- a collapsible enclosure within the cavity;
- at least 1 ml of deliverable fluid within the collapsible enclosure;
- and
- a fluid delivery end in communication with the collapsible enclosure;
- wherein fluid within the collapsible enclosure is under pressure during use of the delivery system to deliver fluid from the collapsible enclosure through the delivery end to a substrate;
- and
- wherein the slope of the change in pressure on the fluid in the collapsible enclosure over the change in volume of the fluid in the collapsible enclosure is approximately zero during delivery of at least 0.1 ml of the fluid in the collapsible enclosure over a 10.degree. C. temperature change between 10.degree. C. and 30.degree. C.
A hand-held fluid delivery system, comprising
- a rigid body including a cavity;
- a collapsible enclosure within the cavity;
- at least 1 ml of deliverable fluid within the collapsible enclosure;
- a fluid delivery end in communication with the collapsible enclosure;
- and
- a spring within the cavity that applies pressure to deliver fluid from the collapsible enclosure through the delivery end to a substrate, wherein the spring is configured to relax no more than 35% during use of the delivery system;
- wherein the pressure applied by the spring decreases less than 25% for a 1 ml decrease in volume of the fluid within the collapsible enclosure.
A hand-held fluid delivery system, comprising
- a rigid body including a cavity;
- a collapsible enclosure within the cavity;
- a fluid within the collapsible enclosure;
- a fluid delivery end in communication with the collapsible enclosure;
- and
- a spring within the cavity that puts pressure on the collapsible enclosure to deliver fluid from the enclosure through the delivery end to a substrate,
- wherein the spring relaxes no more than 35% during use of the delivery system.
A hand-held fluid delivery system, comprising
- a rigid body including a cavity;
- a collapsible enclosure within the cavity;
- a fluid within the collapsible enclosure;
- a fluid delivery end in communication with the collapsible enclosure;
- and
- a spring within the cavity that applies pressure to deliver fluid from the collapsible enclosure through the delivery end to a substrate, the spring having a length and being generally arcuate in longitudinal section and consisting essentially of two arms that together provide the length, wherein each arm has a free end and each arm is generally tapered in width towards its free end.
A hand-held fluid delivery system comprising:
- a rigid body including a cavity;
- a collapsible enclosure within the cavity;
- a fluid within the collapsible enclosure;
- a fluid delivery end in communication with the collapsible enclosure;
- and
- a spring within the cavity that applies pressure to deliver fluid from the collapsible enclosure through the delivery end to a substrate, the spring having two arms, each arm having a free end and each arm being generally tapered in width toward its free end.
A hand-held fluid delivery system comprising:
- a rigid body including a cavity;
- a collapsible enclosure within the cavity;
- a fluid within the collapsible enclosure;
- a fluid delivery end in communication with the collapsible enclosure;
- and
- a spring within the cavity that applies pressure to deliver fluid from the collapsible enclosure through the delivery end to a substrate, the spring having an essentially uniform distribution of surface stress over most of the spring during use of the delivery system.
A hand-held fluid delivery system, comprising:
- a rigid body including a cavity;
- a collapsible enclosure within the cavity;
- a fluid within the collapsible enclosure;
- and
- a fluid delivery end in communication with the collapsible enclosure;
- wherein the collapsible enclosure includes an inner layer and an outer layer and the inner layer is fused to the fluid delivery end to provide the communication;
- and
- wherein the fluid within the collapsible enclosure is under pressure during use of the delivery system to deliver fluid from the collapsible enclosure through the delivery end.
A hand-held fluid delivery system, comprising:
- a rigid body including a cavity;
- a collapsible enclosure within the cavity;
- a fluid within the collapsible enclosure;
- a fluid delivery end in communication wit h th e collapsible enclosure, wherein fluid within the collapsible enclosure is under pressure during use of the delivery system to deliver fluid from the collapsible enclosure through the delivery end;
- a spring within the cavity that applies pressure to deliver fluid from the collapsible enclosure through the delivery end;
- and
- a length-wise extending shoe, between the spring and the collapsible enclosure, having a pressure applicator surface with a beveled end portion towards the fluid delivery end of the delivery system, the beveled end portion having a flat section that at least in part is in contact with the collapsible enclosure.
A hand-held fluid delivery system, comprising:
- a rigid body including a cavity;
- a collapsible enclosure within the cavity;
- a correction fluid within the collapsible enclosure;
- and
- a fluid delivery end in communication with the collapsible enclosure;
- wherein the correction fluid within the collapsible enclosure is under pressure during use of the delivery system to deliver correction fluid from the collapsible enclosure through the delivery end to a substrate, the pressure being sufficiently consistent that a normal user of the delivery system will not notice any substantial change in the flow of the correction fluid to the substrate during normal usable life of the delivery system over a 10.degree. C. temperature change between 10.degree. C. and 30.degree. C.
A method of applying a fluid to a substrate, comprising
- applying pressure to a collapsible enclosure containing the fluid within a rigid body to cause fluid to pass from the enclosure and onto the substrate,
- wherein the pressure on the fluid does not change more than 20% over at least a 1 ml decrease in volume of fluid in the collapsible enclosure over a 10.degree. C. temperature change between 10.degree. C. and 30.degree. C.
A method of applying a fluid to a substrate, comprising
- applying pressure to a collapsible enclosure, containing at least 1 ml of the fluid within a rigid body to cause fluid to pass from the enclosure and onto the substrate,
- wherein the slope of the change in pressure on the fluid in the collapsible enclosure over the change in volume of the fluid in the collapsible enclosure is approximately zero during delivery of at least 0.1 ml of the fluid in the collapsible enclosure over a 10.degree. C. temperature change between 10.degree. C. and 30.degree. C.
A method of applying a fluid to a substrate, comprising
- applying pressure with a spring to a collapsible enclosure containing the fluid within a rigid body to cause fluid to pass from the enclosure and onto the substrate,
- wherein the spring is configured to relax no more than 35% during use of the delivery system.
A hand-held fluid delivery system, comprising
- a rigid body including a cavity;
- a collapsible enclosure within the cavity;
- at least 1 ml of deliverable fluid within the collapsible enclosure;
- a spring that puts pressure on the collapsible enclosure to deliver fluid from the collapsible enclosure to the delivery end, the spring being configured to relax no more 35% during use of the delivery system;
- and
- a fluid delivery end in communication with the collapsible enclosure;
- wherein the fluid within the collapsible enclosure is under pressure during use of the delivery system to deliver fluid from the collapsible enclosure through the delivery end to a substrate;
- and
- wherein the change in pressure on the fluid in the collapsible enclosure is less than 0.15 psi after a 50% decrease in volume of the fluid in the collapsible enclosure over a 10.degree. C. temperature change between 10.degree. C. and 30.degree. C.
A hand-held fluid delivery system, comprising
- a rigid body including a cavity;
- a collapsible enclosure within the cavity;
- at least 1 ml of deliverable fluid within the collapsible enclosure;
- a spring that puts pressure on the collapsible enclosure to deliver fluid from the collapsible enclosure to the delivery end, the spring having two arms, each arm having a free end and each arm being generally tapered in width towards the free end;
- and
- a fluid delivery end in communication with the collapsible enclosure;
- wherein the fluid within the collapsible enclosure is under pressure during use of the delivery system to deliver fluid from the collapsible enclosure through the delivery end to a substrate;
- and
- wherein the change in pressure on the fluid in the collapsible enclosure is less than 0.15 psi after a 50% decrease in volume of the fluid in the collapsible enclosure over a 10.degree. C. temperature change between 10.degree. C. and 30.degree. C.
A hand-held fluid delivery system, comprising
- a rigid body including a cavity;
- a collapsible enclosure within the cavity;
- at least 1 ml of deliverable fluid within the collapsible enclosure;
- a fluid delivery end in communication with the collapsible enclosure;
- and
- a spring within the cavity that applies pressure to deliver fluid from the collapsible enclosure through the delivery end to a substrate, the spring having two arms, each arm having a free end and each arm being generally tapered in width towards its free end;
- wherein the pressure applied by the spring decreases less than 25% for a 1 ml decrease in volume of the fluid within the collapsible enclosure.
A hand-held fluid delivery system, comprising
- a rigid body including a cavity;
- a collapsible enclosure within the cavity;
- at least 1 ml of deliverable fluid within the collapsible enclosure;
- a fluid delivery end in communication with the collapsible enclosure, wherein the collapsible enclosure includes an inner layer and an outer layer, the inner layer being fused to the fluid delivery end;
- and
- a spring within the cavity that applies pressure to deliver fluid from the collapsible enclosure through the delivery end to a substrate;
- wherein the pressure applied by the spring decreases less than 25% for a 1 ml decrease in volume of the fluid within the collapsible enclosure.
A hand-held fluid delivery system, comprising
- a rigid body including a cavity;
- a collapsible enclosure within the cavity;
- a fluid within the collapsible enclosure;
- a fluid delivery end in communication with the collapsible enclosure;
- and
- a spring within the cavity that applies pressure to deliver fluid from the collapsible enclosure through the delivery end to a substrate, the spring having a length and having two arms that together provide the length, wherein each arm has a free end and each arm is generally tapered in width towards the free end.
A hand-held fluid delivery system, comprising
- a rigid body including a cavity;
- a collapsible enclosure within the cavity;
- a fluid within the collapsible enclosure;
- a fluid delivery end in communication with the collapsible enclosure, wherein the collapsible enclosure includes an inner layer and an outer layer, the inner layer being fused to the fluid delivery end;
- and
- a spring within the cavity that applies pressure to deliver fluid from the collapsible enclosure through the delivery end to a substrate, the spring having a length and having two arms that together provide the length.
A hand-held fluid delivery system, comprising
- a rigid body including a cavity;
- a collapsible enclosure within the cavity;
- a fluid within the collapsible enclosure;
- a fluid delivery end in communication with the collapsible enclosure;
- and
- a spring within the cavity that applies pressure to deliver fluid from the collapsible enclosure through the delivery end to a substrate, the spring having a length and being generally arcuate in longitudinal section and consisting essentially of two arms that together provide the length, wherein the spring has an essentially uniform distribution of surface stress over most of the spring during use of the delivery system.
A hand-held fluid delivery system, comprising
- a rigid body including a cavity;
- a collapsible enclosure within the cavity;
- a fluid within the collapsible enclosure;
- a fluid delivery end in communication with the collapsible enclosure;
- and
- a spring within the cavity that applies pressure to deliver fluid from the collapsible enclosure through the delivery end to a substrate, the spring having a length and being generally arcuate in longitudinal section and consisting essentially of two arms that together provide the length,
- wherein the collapsible enclosure includes an inner layer and an outer layer, the inner layer being fused to the fluid delivery end.
Dependencies are inferred from the claim text.