Patent ID: 9335198
Filing Date: 2016-05-10
CPC Classification: B05B,G01F

Claim Text:
1. A method of using a paint cup assembly with a paint sprayer, the method comprising: providing a paint cup assembly including a cap, an outlet tube extending from the cap, and a valve assembly disposed in the outlet tube, wherein the valve assembly is movable from a closed configuration in which fluid flow through the outlet tube is prevented to an open configuration in which fluid flow through the outlet tube is permitted, wherein the valve assembly comprises a plunger having a head and a shaft, wherein the head of the plunger is configured to engage a valve seat formed at a first end of the outlet tube when the valve assembly is in the closed configuration, and wherein the first end of the outlet tube is adjacent to the cap; filling the paint cup assembly with paint; closing the paint cup assembly; inverting the paint cup assembly; and engaging the paint cup assembly with the paint sprayer so as to automatically move the valve assembly to the open configuration, wherein engaging the paint cup assembly with the paint sprayer is performed after inverting the paint cup assembly, and wherein engaging the paint cup assembly with the paint sprayer is performed so as to minimize spillage of paint.