.~ Unit or cohesive sheet-like media in flow line or frame {12}
504
.~.~ Aligned stop, media and removable retainer
DEFINITION
Classification: 55/504
(under subclass 495) Apparatus having means for joining a filter unit to a flow line or to the framework defining the extremity of a flow conductor and comprising a stop or flange against which the unit is abutted and a removable or movable clamping means which engages the unit to hold the said unit against the stop or flange, the stop, filter and clamp being aligned in the general direction of air flow through the said flow line or framework.
