Patent ID: 6155253
Filing Date: 2000-12-05
Classification: B63C

Abstract:
A protective mask (1) particularly for underwater use comprising:a face shield (2) of rigid material, of suchdimensions as to protect the user's forehead, eyes, nose, mouth and chin, and having at least one portion shaped to form an optical surface (7);means (8-11) for securing the mask to the user's face;a gasket (4) of elastic material for hermetic sealing between an edge (17) of the face shield (2) and the user's face;at least one device (5, 23) for introducing the air to be breathed by the user;a device (6) for evacuating the air breathed out by the user; characterized by comprising within the interior of the mask, means for ear duct internal pressure compensation (33) comprising within the mask at least two protuberances (34) having dimensions which allow the protuberances to hermetically close the user's two nostrils simultaneously by its application to the exterior of the nostrils by moving said at least two protuberances (34) upwardly, this movement being allowed by the elastic deformability of the gasket (4) which provides the hermetic seal between said edge (17) of the face shield (20) and the user's face, said two protuberances comprising a pair of pegs (35) on which a pair of plugs (36) of anallergic silicone rubber are applied, which are positionable at will along said pair of pegs (35).