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Title: Inflatable partition for fighting mine fires

Abstract

The seal is a lightweight, inflatable, bag which may be inflated by a portable air generator and is used to seal a burning mine passage. A collapsible tube-like aperture extends through the seal and allows passage of high expansion foam through the seal in a feed tube. The foam fills the passageway and extinguishes the fire. In other embodiments, the feed tubes incorporate means to prevent collapse of the aperture. In these embodiments a shroud connects the feed tube to a foam generator. This seal allows creation of a high expansion foam fire fighting barrier even in upward sloping passages.

Inventors:
 [1];  [1]
+ Show Inventor Affiliations
  1. Pittsburgh, PA
Publication Date:
Research Org.:
National Energy Technology Laboratory (NETL), Pittsburgh, PA, Morgantown, WV (United States)
OSTI Identifier:
870176
Patent Number(s):
US 5469920
Assignee:
United States of America as represented by Secretary of (Washington, DC)
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
inflatable; partition; fighting; mine; fires; seal; lightweight; bag; inflated; portable; air; generator; burning; passage; collapsible; tube-like; aperture; extends; allows; expansion; foam; feed; tube; fills; passageway; extinguishes; fire; embodiments; tubes; incorporate; means; prevent; collapse; shroud; connects; creation; barrier; upward; sloping; passages; aperture extends; feed tube; mine fire; rate means; rate mean; portable air; /169/52/405/

Citation Formats

Conti, Ronald S, and Lazzara, Charles P. Inflatable partition for fighting mine fires. United States: N. p., 1995. Web.
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Conti, Ronald S, & Lazzara, Charles P. Inflatable partition for fighting mine fires. United States.
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Conti, Ronald S, and Lazzara, Charles P. 1995. "Inflatable partition for fighting mine fires". United States. https://www.osti.gov/servlets/purl/870176.
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@article{osti_870176,
title = {Inflatable partition for fighting mine fires},
author = {Conti, Ronald S and Lazzara, Charles P},
abstractNote = {The seal is a lightweight, inflatable, bag which may be inflated by a portable air generator and is used to seal a burning mine passage. A collapsible tube-like aperture extends through the seal and allows passage of high expansion foam through the seal in a feed tube. The foam fills the passageway and extinguishes the fire. In other embodiments, the feed tubes incorporate means to prevent collapse of the aperture. In these embodiments a shroud connects the feed tube to a foam generator. This seal allows creation of a high expansion foam fire fighting barrier even in upward sloping passages.},
doi = {},
url = {https://www.osti.gov/biblio/870176}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Sun Jan 01 00:00:00 EST 1995},
month = {Sun Jan 01 00:00:00 EST 1995}
}
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