Emergency breathing tube
First Claim
1. An emergency breathing tube for life-saving in case of fire, comprising:
- a first tube; and
a second tube, wherein the second tube couples with the first tube and forms a retractile breathing tube with adjustable length;
wherein, in case of fire, a user extends the breathing tube, holds one end of the breathing tube in his or her mouth, and then extends another end thereof out from the fire scene via an opening of a building to get fresh air.
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Accused Products
Abstract
A tractable emergency breathing tube for life-saving in the event of fire includes a first tube and a second tube assembled together to form a series of telescoping tubes. The telescoping tubes are nested one within the other when the emergency breathing tube in a retracted stowed position. The inner tubes are latched in the stowed position by a caging mechanism. Furthermore, the emergency breathing tube can be extended until the final deployed position to reached out of the building on fire for fresh air. A user can inhale fresh air through the pursed mouth slowly by means of the instrument and exhale carbon dioxide through the nose rapidly, and repeat the above inhale/exhale procedures until being rescued.
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Citations
13 Claims
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1. An emergency breathing tube for life-saving in case of fire, comprising:
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a first tube; and
a second tube, wherein the second tube couples with the first tube and forms a retractile breathing tube with adjustable length;
wherein, in case of fire, a user extends the breathing tube, holds one end of the breathing tube in his or her mouth, and then extends another end thereof out from the fire scene via an opening of a building to get fresh air. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An emergency breathing tube for life-saving in case of fire, comprising a tubular body made of a material with perfect heat-resistance;
- whereby, when a fire occurs, a user holds one end of the breathing tube in his or her mouth, and extends another end thereof out from the smoky fire scene via an opening in a building to get fresh air.
- View Dependent Claims (10, 11, 12, 13)
Specification