(under the class definition) Apparatus having flow inlet means which is substantially surrounded, (i.e. embraced) by the separating media except where the said flow inlet means enters the outer confines of the media securing or retaining means.
SEE OR SEARCH THIS CLASS, SUBCLASS:
418+, for inflow control or distribution means having additional characteristics going beyond a mere inlet flow pipe.
484+, for spaced filter means, e.g., upper and lower shelf or grid supported material with gas inlet means in the space between shelves or compartments.
