Importance

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Abstract

A full face respirator mask includes a rigid plastic integrally molded lens member that has a transparent viewing portion and a central integrally molded port portion. The central port portion is disposed beneath the viewing portion when the mask is viewed from a front elevation. An integrally molded exhalation port is disposed in the central port portion of the rigid plastic lens. First and second air intake ports are disposed in the integrally molded lens member to either side of the central port portion of the rigid plastic lens member. Each air intake port is adapted to support either a plug member to close off the air intake ports or a filter cartridge to filter air passing through the air intake port. An integrally molded portion forming a connector is located within the central port portion of the integrally molded lens member to receive either an outside supply of air when the air intake ports each hold a plug member to close off the air intake ports or a plug member to close off the connector when the air intake ports support the filter cartridges. A face seal is attached to the lens member at an outside edge of the lens member and is adapted to mate with the wearer's face, and the face seal is attached by overmolding the face seal around the outside edge of the lens member to form an adhesive bond between the face seal and the lens member.

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First Claim