Seal device for a respiratory mask and method and moulding tool for manufacturing the same

摘要

The sealing-lip appliance for a respiratory mask which has an opening for at least the nose-tip area of the user has a sealing lip (3) crossing the bridge of the nose, going round the opening and made of elastomeric material. A contact zone rests against the user's face. The sealing lip is suspended from a concertina-shaped structure. the sealing lip unit is positioned on a base body of the mask (12) consisting of a rigid shell with branch circuit connection (60) pointing towards the end part.