Patent ID: 7827990

Claim:
A sealing lip device for a breathing mask having a receiving opening for receiving at least the nose tip region of a mask wearer, a sealing lip which is formed from an elastomeric material and which surrounds the receiving opening and which is configured to cross the bridge of the nose and which has a contact zone provided for bearing against the face of a mask wearer in use, wherein the sealing lip is elastically and yieldingly arranged in such a way that a first sealing lip zone which in use seals the region of the bridge of the nose has a higher degree of flexibility than a second sealing lip zone which in use is adjacent to at least one of the nostrils and the upper lip of the mask wearer in the application position of the breathing mask, wherein the sealing lip is suspended on a folding bellows structure in the region of the first sealing lip zone provided for sealing of the region of the bridge of the nose, the folding bellows structure including a fold indentation having zones of differing wall thickness, wherein a wall thickness of a zone of high load-bearing capacity is in the range of between 0.80 and 4 mm, and wherein the zone of high load-bearing capability is formed by two elastomeric portions which project up from a lower corner region of a frame portion and which extend into the sealing lip in the form of flat limbs.