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Method and apparatus for protecting buildings from contamination during chemical or biological attack

  • US 6,688,968 B2
  • Filed: 08/01/2001
  • Issued: 02/10/2004
  • Est. Priority Date: 01/22/2001
  • Status: Expired due to Fees
First Claim
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1. A method for protecting a building region other than an air duct section from harmful agent contamination, wherein the building region has at least one pre-identified protection zone or region, the method comprising the steps of:

  • providing at least one inflatable bladder having an inflatable bladder interior, wherein the bladder has an un-inflated configuration, an un-inflated volume, an inflated configuration, and an inflated volume;

    providing an inflator for inflating the at least one bladder from the un-inflated configuration to the inflated configuration, wherein the inflator has an initiator for initiating the inflating;

    locating the at least one inflatable bladder near a pre-identified protection zone or region; and

    initiating the inflating of the at least one bladder using the initiator so that the at least one bladder occupies the at least one pre-identified protection zone or region; and

    wherein the building region includes a room having a volume, and the pre-identified protection zone corresponding to substantially the entire volume of the room.

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