(under subclass 67) Apparatus in which the receiver is a valve bag, i.e., a bag having an inlet in the folded corner thereof, the corner usually providing a self-closing valve when the bag is detached from the filling spout.
SEE OR SEARCH THIS CLASS, SUBCLASS:
315, for valve bag clamps or chairs comprising a filling means system with receiver or receiver coacting means, and see the search notes to subclass 315 for other subclasses of an art character involving valve bags.
