Patent ID: 11919027
Assignee: 3M INNOVATIVE PROPERTIES COMPANY
Field: Chemical engineering (Chemistry)
Classification: CPC B | IPC B

Claim 0:
1. A method of installing a lid onto a spray gun cup receptacle comprising
inserting a one-piece monolithic liner comprising a liner rim that forms an open end into an open end of the spray gun cup receptacle such that the liner rim rests within the open end of the spray gun cup receptacle, the liner comprises a release tab extending radially-outwardly from a central axis of the lid and from an outer circumference of the liner rim, the spray gun cup receptacle comprising a receptacle connection structure;
positioning the lid over the open end of the spray gun cup receptacle such that a lid connection structure on the lid is aligned with the receptacle connection structure, the lid connection structure comprises a lid rim, and at least two flange tabs each comprising a lid engagement member, the receptacle connection structure comprises an elongated protrusion configured to engage with the lid engagement member, a flange opening divides two flange tabs;
pushing the lid along the central axis into the open end of the liner to stretch the liner rim radially-outwardly around a liner sealing member on the lid; and
after pushing the lid into the liner, engaging with the receptacle connection structure to lock the lid and liner in place against the spray gun cup receptacle, wherein the release tab fits within the flange opening when the liner is assembled with the lid and the release tab protrudes radially-outwardly beyond the lid rim.