.~.~> With additional flow controller, closure or seal
DEFINITION
Classification: 222/531
(under subclass 526) Dispensers in which a wall of the guide when in one (closed) position forms a closure for the outlet opening with which the guide is related.
SEE OR SEARCH THIS CLASS, SUBCLASS:
364, for similar structures having material trapping features.
528, for closure type movable guides that are foldable, bendable, collapsible or flexible.
536, for swingable guides having integral or attached means not forming a guiding wall and operable as a flow controller or closure.
