B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 25/02 (2006.01) B01D 35/04 (2006.01) B01D 39/16 (2006.01) C02F 1/40 (2006.01)
Patent
CA 2563366
A filter/plug drain assembly for insertion into a drain so as to prevent the passage of selected contaminants through the drain is disclosed. The filter/plug assembly includes stacked layers of filter, filtering/plugging and plugging material. The filter/plug assembly has alternative internal flowpaths configured to provide different plugging speeds when exposed to ongoing low levels of selected contaminants.
La présente invention concerne un ensemble de vidange filtre/obturateur conçu pour être inséré dans un drain de manière à empêcher le passage de contaminants choisis à travers ce drain. L'ensemble filtre/obturateur comprend en empilement de couches de matériau de filtration, filtration/obturation et obturation. Cet ensemble présente des voies de passage internes alternatives conçues pour permettre d'obtenir différentes vitesses d'obturation en cas de niveaux bas de contaminants choisis.
Barrett Fiona
Muir Iain
Barrett Fiona
Barrigar Intellectual Property Law
Muir Iain
LandOfFree
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