| 摘要 |
PURPOSE: A full face mask for an air respirator is provided to protect a wearer from poisonous gas in a dangerous environment like a fire scene. CONSTITUTION: A full face mask for an air respirator comprises a mask body(10), a lens(20), a lens holder(30), a connector(40), and a fastening band(50). The mask body is formed with a see-through hole for securing field of vision and an insertion brim along the circumference of the see-through hole. The lens closes the see-through hole. The lens holder fixes the lens to be separated from the mask main body. The connector is connected to an air inhaler, supplies air into the mask body, and exhausts the air to the outside. The fastening band fixes the connector to a breathing hole.
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