.~ Hinged or pivoted retainer or clamp on backing frame or in flow line
DEFINITION
Classification: 55/493
(under subclass 490) Apparatus in which the flow line itself or a means fixed (1) within a flow line, or (2) to a frame or support means for the filter, has a hinged or pivoted connection therebetween and some other part of the flow line, backing member or frame for retaining or securing the media.
SEE OR SEARCH THIS CLASS, SUBCLASS:
422, for similarly supported media non- detachably adjustable to various positions of use or to nonuse with respect to the gas mixture acted upon.
