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Fire collar

  • US 20050022868A1
  • Filed: 09/09/2002
  • Published: 02/03/2005
  • Est. Priority Date: 09/10/2001
  • Status: Active Grant
First Claim
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1. A housing for fitting into pipework or ducting at the location the pipework or ducting traverses a partition, which housing incorporates a damper arrangement and a heat detector, wherein the damper arrangement is designed to normally enable unimpeded fluid flow through the pipework or ducting but to seal off the pipework or ducting when the heat detector reacts to a preset temperature value.

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