self-rescuer

self-rescuer

[¦self ′res·kyü·wər]
(mining engineering)
A small filtering device carried by a miner underground to provide immediate protection against carbon monoxide and smoke in case of a mine fire or explosion; used for escape purposes only, because it does not sustain life in atmospheres containing deficient oxygen.
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References in periodicals archive ?
It's not uncommon for rescuers, because of fear or stress, to bite down so hard on the mouthpiece of their self-rescuer that they break their teeth.
Virgil took the self-rescuer from an alcove chiseled into the sharp planes of the country rock and held the steel canister aloft.
The miners would have survived had they been supplied with their own self-rescuer, a portable oxygen kit that cost less than a fiver.
One of the most important pieces of equipment was the self-rescuer, an emergency breathing pack for when something went wrong," says Rosemary.
The time is now ripe to go over from the earlier filter models to the oxygen self-rescuer.
An independent report for the West Virginia governor's office on the January explosion that killed 12 miners highlights OX-GEN's prototype self-rescuer as an "obvious advance" over existing breathing systems.
1 had a brand-new belt (for carrying a self-rescuer, tools, and a lamp battery) and a hard hat, yellow to indicate I was a rookie.
The company currently is completing tests on a two-hour, self-rescuer unit, which will be submitted for approval in late summer to the National Institute for Occupational Safety and Health and the federal Mining Safety and Health Administration.
The SLRD, or self-rescuer long duration, has a rated duration of 60 minutes and provides faster oxygen generation at the start of deployment.
An example of this type is the Portal-Pack Self-Contained Self-Rescuer.
OX-GEN expects to submit a prototype for approval as a self-contained, self-rescuer unit to the National Institute for Occupational Safety and Health and the federal Mining Safety and Health Administration within the next few months.