US PATENT SUBCLASS 55 / 490
WITH MEANS SECURING OR RETAINING SEPARATING MEDIA

Current as of: June, 1999
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55 /   HD   GAS SEPARATION

490WITH MEANS SECURING OR RETAINING SEPARATING MEDIA {7}
490.1  DF  .~> With heating or cooling means {1}
491  DF  .~> Fastening means pierces or penetrates media
492  DF  .~> Internal frame or support means
493  DF  .~> Hinged or pivoted retainer or clamp on backing frame or in flow line
494  DF  .~> Grid or tray type for bottom support only
495  DF  .~> Unit or cohesive sheet-like media in flow line or frame {12}
512  DF  .~> Discrete fibrous or particulate solids {4}

DEFINITION

Classification: 55/490

(under the class definition) Apparatus comprising (1) a media placed in a flow line by being previously distorted out of its normal or natural shape or size and retained within the flow line by its contact with the wall thereof and its tendency to regain its normal shape or (2) means distinct from the media itself to maintain or contain said media in a stable or sustained altitude either in or out of a flow line as by binding, framing, stitching, to support the media against gravity as to maintain it as a cohesive entity by means not including bonding of the media upon itself.

(1) Note. Arrangements of deflectors should not be crossed referenced to this subclass nor to subclasses below this point in the schedule.