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Short Duration Self-rescue Breathing Apparatus.
Buban EE; Gray RE
NTIS: PB/240-471 :120 pages
A self-contained breathing apparatus has been developed to provide complete respiratory protection for a miner in an irrespirable atmosphere. The apparatus has the desired features of comfort, reliability, maintainability, and quick-donning capability. The unit is a small, lightweight, one-time-use device that can be readily worn on a miner's belt and is designed to have a shelf life of 5 years and a carrying life of 3 years. It is deployed to the use position in a period of 15 to 30 seconds. The apparatus has a 10-minute service life under escape conditions and a 30-minute service life when the wearer is at rest.
CP; Final Contract Report;
NTIS Accession No.
Mine Safety Appliances Company
Page last reviewed: October 29, 2021
Content source: National Institute for Occupational Safety and Health Education and Information Division