by loosely-inserted means, e.g. strip, resilient tongue

Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings > Tightening or covering joints between the border of openings and the frame > by loosely-inserted means, e.g. strip, resilient tongue

Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings (E06B5/00 takes precedence; features relating also to inner frames or wing frames, features relating solely to the mounting of inner frames E06B3/00; corner joints or edge joints E06B3/96) > Tightening or covering joints between the border of openings and the frame (E06B1/34 takes precedence) > by loosely-inserted means, e.g. strip, resilient tongue