E - Fixed Constructions – 03 – B
Patent
E - Fixed Constructions
03
B
E03B 9/04 (2006.01)
Patent
CA 2644321
The present invention relates to methods and devices for retrofitting fire hydrants with additional structure for reducing the potential that those with ill intent can foul municipal water supplies by introducing toxins or other materials into fire hydrants. Various embodiments include a seat and elongated member for efficient and cost effective installation and cooperation with valves, which close off portions of the hydrant otherwise available for receipt of toxic or other materials when the fire hydrant nozzle cap is unscrewed and open.
L'invention concerne des méthodes et matériels utilisés pour modifier des bouches d'incendie en ajoutant une structure supplémentaire permettant de réduire la possibilité que des personnes de mauvaise intention contaminent le réseau municipal d'approvisionnement en eau en introduisant des toxines ou d'autres substances dans les bouches d'incendie. Différents modes de réalisation comprennent un siège et un élément allongé permettant une installation et une coopération avec les vannes efficaces et rentables, qui condamnent des parties de la bouche d'incendie qui seraient normalement accessibles pour recevoir des substances toxiques ou autres substances lorsque le couvercle de la prise de la bouche d'incendie est dévissé et ouvert.
Davidson Thomas Dewey SR.
Ferrari Anthony
Rose Matthew Jesse
Walden David Michael
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Davidson Hydrant Technologies Inc.
LandOfFree
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