277 / | HD | SEAL FOR A JOINT OR JUNCTURE |
345 | DF | SEAL BETWEEN RELATIVELY MOVABLE PARTS (I.E., DYNAMIC SEAL) {10} |
409 | DF | .~ Close proximity seal (e.g., contactless, fluent, etc.) {4} |
411 | DF | .~.~ Gap or clearance {2} |
412 | DF | .~.~.~ Labyrinth {7} |
418 | .~.~.~.~ Formed by plural grooves or projections on opposing surfaces {1} | |
419 | DF | .~.~.~.~.~> Interfitting or overlapping {1} |