A liquid supply assembly is disclosed. The liquid supply assembly may be used in combination with a spraying device or spray gun to apply liquid to a substrate. The liquid supply assembly is particularly suitable for use in systems utilizing pressurized liquid containers.
대표청구항▼
What is claimed is: 1. A liquid supply assembly comprising: a container having (i) at least one container side wall, (ii) a container bottom wall, (iii) a first set of mechanical features capable of engaging with a second set of mechanical features on a lid, an optional shroud component or an optio
What is claimed is: 1. A liquid supply assembly comprising: a container having (i) at least one container side wall, (ii) a container bottom wall, (iii) a first set of mechanical features capable of engaging with a second set of mechanical features on a lid, an optional shroud component or an optional collar, and (iv) an air inlet within the at least one container side wall or the container bottom wall; a collapsible liner capable of fitting within the container; a lid having one or more lid components capable of connecting to (i) a liquid spraying device or (ii) an adapter capable of connecting to the liquid spraying device, the one or more lid components being positioned on an upper surface of the lid; a shroud extending over the entire upper surface of the lid, configured to restrict expansion of the lid and having a shroud opening, the shroud opening being sized to enable the one or more lid components to extend through the shroud opening; and at least one pressure relief valve within the liquid supply assembly, said at least one pressure relief valve being capable of (i) preventing fluid from exiting the liquid supply assembly when a system pressure within said container is less than a threshold amount, and (ii) allowing fluid to exit the liquid supply assembly when the system pressure within said container is greater than or equal to the threshold amount, wherein the container, the collapsible liner, and the lid form a pressurizable assembly capable of withstanding a container pressure of at least about 69.0 kiloPascals (kPa) (10 pounds per square inch (psi)). 2. The assembly of claim 1, wherein the at least one pressure relief valve is positioned within the at least one container side wall, the container bottom wall, or both. 3. The assembly of claim 1, wherein the at least one pressure relief valve is positioned within the container bottom wall. 4. The assembly of claim 1, wherein the threshold amount is equal to or greater than about 206.8 kPa (30 psi). 5. The assembly of claim 1, wherein the at least one pressure relief valve comprises an invertible pressure relief valve. 6. The assembly of claim 1, wherein the at least one pressure relief valve is connected to an air hose supplying air to the liquid supply assembly. 7. The assembly of claim 6, wherein the at least one pressure relief valve comprises a spring-biased pressure relief valve. 8. A spraying device comprising the liquid supply assembly of claim 1. 9. The assembly of claim 1, wherein the shroud comprises: a first shroud end, a second shroud end opposite the first shroud end, said second shroud end having the shroud opening therein, an inner shroud surface and an outer shroud surface both of which extend from the first shroud end to the second shroud end, and a shroud ledge extending along an outer periphery of the inner shroud surface. 10. The assembly of claim 9, wherein the shroud further comprises a second set of mechanical features extending along the inner or outer shroud surface proximate the first end of the shroud, the second set of mechanical features being capable of engaging with the first set of mechanical features on the container. 11. The assembly of claim 9, further comprising a collar, said collar comprising: a top end having a collar opening therein, a bottom end, at least one collar side wall extending between the top end and the bottom end, a collar rim extending along the top end and protruding into the collar opening, and a second set of mechanical features extending along the at least one collar side wall, the second set of mechanical features being capable of engaging with the first set of mechanical features on the container. 12. A container suitable for use in a liquid supply assembly, the container comprising: at least one container side wall; a container bottom wall; a first set of mechanical features capable of engaging with a second set of mechanical features on a lid; the lid having one or more lid components capable of connecting to (i) a liquid spraying device or (ii) an adapter capable of connecting to the liquid spraying device, the one or more lid components being positioned on an upper surface of the lid; a shroud extending over the entire upper surface of the lid, configured to restrict expansion of the lid and having a shroud opening, the shroud opening being sized to enable the one or more lid components to extend through the shroud opening; an air inlet within said at least one container side wall or said container bottom wall; and at least one pressure relief valve within said at least one container side wall or said container bottom wall, said at least one pressure relief valve being capable of (i) preventing fluid from exiting said container when a system pressure within said container is less than a threshold amount, and (ii) allowing fluid to exit said container when the system pressure within said container is greater than or equal to the threshold amount. 13. The container of claim 12, wherein the threshold amount is equal to or greater than about 206.8 kPa (30 psi). 14. A liquid supply assembly comprising: the container of claim 12; a collapsible liner sized so as to fit within the container; a lid having one or more lid components capable of connecting to (i) a liquid spraying device or (ii) an adapter capable of connecting to the liquid spraying device, the one or more lid components being positioned on an upper surface of the lid; an optional shroud component having a shroud opening therein, said shroud opening being sized to enable the one or more lid components to extend through the shroud opening; and an optional collar capable of engaging with the container, wherein the container, the collapsible liner, the lid, the optional shroud, and the optional collar form a pressurizable assembly capable of withstanding a container pressure of at least about 69.0 kiloPascals (kPa) (10 pounds per square inch (psi)). 15. A liquid supply assembly comprising: a container having (i) at least one container side wall, (ii) a container bottom wall, (iii) a first set of mechanical features capable of engaging with a second set of mechanical features on a lid, an optional shroud component or an optional collar, and (iv) an air inlet within the at least one container side wall or the container bottom wall; a collapsible liner capable of fitting within the container; a lid having a first end and a second end opposite the first end, an upper surface and a lower surface both of which extend from the first end to the second end, an opening extending through a portion of the lid from the first end to the second end, a lid rim extending along a periphery of the lid, and one or more lid components capable of connecting to (i) a liquid spraying device or (ii) an adapter capable of connecting to the liquid spraying device, the one or more lid components being positioned on the upper surface of the lid; an shroud having a first shroud end, a second shroud end opposite the first shroud end, an upper shroud surface and a lower shroud surface both of which extend from the first shroud end to the second shroud end, a shroud opening in the second shroud end, said shroud opening being sized to enable the one or more lid components to extend through the shroud opening, and a shroud ledge extending along an outer periphery of the shroud wherein the shroud extends over the entire upper surface of the lid, and is configured to restrict expansion of the lid; an collar capable of engaging with the container, said collar comprising a top end having a collar opening therein, a bottom end, at least one collar side wall extending between the top end and the bottom end, a collar rim extending along the top end and protruding into the collar opening, and a second set of mechanical features along the at least one collar side wall, the second set of mechanical features being capable of engaging with the first set of mechanical features on the container; and at least one pressure relief valve within the liquid supply assembly, said at least one pressure relief valve being capable of (i) preventing fluid from exiting the liquid supply assembly when a system pressure within said container is less than a threshold amount, and (ii) allowing fluid to exit the liquid supply assembly when the system pressure within said container is greater than or equal to the threshold amount, wherein the container, the lid, the optional shroud, and the optional collar form a pressurizable assembly capable of withstanding a container pressure of at least about 69.0 kiloPascals (kPa) (10 pounds per square inch (psi)). 16. The assembly of claim 15, wherein the collapsible liner comprises a collapsible liner component integrally attached to the container so as to fit within the container. 17. The assembly of claim 15, wherein the shroud further comprises a second set of mechanical features extending along the inner or outer shroud surface proximate the first end of the shroud, the second set of mechanical features being capable of engaging with the first set of mechanical features on the container. 18. The assembly of claim 15, wherein the lid further comprises a second set of mechanical features extending along the second end of the lid opposite the one or more lid components, the second set of mechanical features being capable of engaging with the first set of mechanical features on the container. 19. The assembly of claim 15, further comprising a gasket positioned along the first end of the lid along a lower surface of the lid rim, wherein the gasket is capable of providing a seal between the lid and the container.
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