An ear seal for an ear cup in a noise attenuating headset. The ear seal surrounds an opening communicating with the interior of the earcup. The ear seal includes a continuous conformable element surrounding the opening and a fabric cover surrounding the opening. The cover overlays and is heat sealed...http://www.google.es/patents/US5821468?utm_source=gb-gplus-sharePatente US5821468 - Laminated nap comfort cover for ear seal
