Valve closure for spray gun reservoir
Assignee3M Innovative Properties Company
InventorPhillip J. Bouic
Life of this patent
Estimating the term…
Abstract
A paint reservoir has an outlet connectable to a spray gun for transferring paint from the reservoir to the spray gun in use. The outlet is provided with a valve device for opening and closing the outlet to control flow of paint from the reservoir. The valve device has an outer sleeve axially slidable on a spout between a retracted position in which the outlet is closed and an extended position in which the outlet is open. The spout is integral with a lid of the reservoir and the sleeve is a push fit in an adapter for attaching the reservoir to a spray gun. The sleeve is provided with support arms for retainer hooks engageable with the adapter to releasably secure the reservoir to the spray gun.
Claims38
A reservoir for use with liquid spraying apparatus, the reservoir having an outlet connectable to liquid spraying apparatus and a valve device for opening and closing the outlet.
A method of connecting a reservoir to liquid spraying apparatus comprising providing the reservoir with a valve device for opening and closing an outlet, connecting the outlet to liquid spraying apparatus with the outlet closed, and opening the outlet when connected to the spraying apparatus to allow transfer of paint from the reservoir to the spraying apparatus.
Dependencies are inferred from the claim text.