Anti-"Chimney" Effect Jacket

Abstract

A jacket that protects against heat and fire, comprising a heat-shrink strip that shrinks when heated to a given temperature, and which is arranged so as to achieve a tightening of the jacket around the body of its wearer due to shrinking of the strip at the said temperature.

1 .- 13 . (canceled)  
   
   
       14 . A jacket that protects against heat and fire, comprising a strip that shrinks when heated to a given temperature, the strip being arranged so as to achieve the tightening of a jacket around the body of a wearer due to shrinking of the strip at said given temperature.  
   
   
       15 . A jacket according to  claim 14 , wherein the shrinkable strip is positioned at a part of a jacket covering the strip.  
   
   
       16 . A jacket according to  claim 14 , wherein the strip is made from a non-flammable material.  
   
   
       17 . A jacket according to  claim 14 , wherein the strip is fixed to an inner surface of the jacket.  
   
   
       18 . A jacket according to  claim 14  and having a multi-layer structure, wherein the strip is fixed internally in the said multi-layer structure.  
   
   
       19 . A jacket according to  claim 18  and having a multi-layer structure that includes at least three layers, wherein an innermost layer is a final lining, and wherein the strip is attached to the final lining.  
   
   
       20 . A jacket according to  claim 19 , wherein the strip is stitched onto or incorporated into said final lining.  
   
   
       21 . A jacket according to  claim 19 , wherein the strip is coated onto said final lining.  
   
   
       22 . A jacket according to  claim 17 , wherein the strip is threaded through loops fixed onto the said inner surface.  
   
   
       23 . A jacket according to  claim 17 , wherein the strip includes polymers of a meta-aramid type.  
   
   
       24 . A jacket according to  claim 18 , wherein the strip includes a material of a polyester type.  
   
   
       25 . A strip designed to equip the protective jacket of  claim 14 , wherein the strip shrinks under an effect of heat by at least 15% at a temperature of at least 260° C.  
   
   
       26 . A strip according to  claim 25 , which is woven, knitted or braided from threads or fibers of polymer of a meta-aramid type.