Lining system for chimneys and ducts

E - Fixed Constructions – 04 – H

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E04H 12/28 (2006.01) E04F 17/02 (2006.01)

Patent

CA 1154228

LINING SYSTEM FOR CHIMNEYS AND DUCTS ABSTRACT OF THE DISCLOSURE There is provided a method of constructing a chimney or duct, which comprises an external structural wall, a protective layer of moving air adjacent to and in- wardly therefrom, and curved ring devices situated in the gas stream which by their shape control the gas flow and prevent the breakdown of the layer of protective air.

411891

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