Fire fighting process and use of the method
First Claim
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1. A method of preventing the spread of fire comprising the steps of:
- defining a combustible area having substantially continuous combustible material;
dividing said combustible area into three zones, a first zone and a second zone having a first shared border and a third zone and said second zone having a second shared border;
dividing said second zone into a plurality of site units, said plurality being greater in quantity than 150 site units;
defining a threshold percentage of non-propagative site units necessary to halt fire propagation through said second zone, the percentage of said plurality which are non-propagative site units being a percentage greater than the threshold percentage, but less than 100%, and said non-propagative site units being dispersed within said second zone; and
treating said non-propagative site units such that said units do not burn readily whereby a fire front will not propagate to said second shared border.
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Abstract
The invention relates to a fire fighting process, characterized in that it consists of using nonpropagative elements or of employing means for rendering the combustible elements non-propagative, in such a way that the percentage of non-propagative sites which the fire is liable to encounter is greater than a given threshold of less than 100%.
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Citations
13 Claims
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1. A method of preventing the spread of fire comprising the steps of:
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defining a combustible area having substantially continuous combustible material; dividing said combustible area into three zones, a first zone and a second zone having a first shared border and a third zone and said second zone having a second shared border; dividing said second zone into a plurality of site units, said plurality being greater in quantity than 150 site units; defining a threshold percentage of non-propagative site units necessary to halt fire propagation through said second zone, the percentage of said plurality which are non-propagative site units being a percentage greater than the threshold percentage, but less than 100%, and said non-propagative site units being dispersed within said second zone; and treating said non-propagative site units such that said units do not burn readily whereby a fire front will not propagate to said second shared border. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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Specification