Patent ID: 6095133
Filing Date: 2000-08-01
Classification: F23K

Abstract:
A gas tube assembly comprising:a gas delivery tube formed of helically ribbed material, the internal surface thereof defining an internal bore, said helically ribbed material being both flexible and expandable, said delivery tube having a helically wound support provided therein, and upon which the helically ribbed material is provided thereon;said gas delivery tube having a first open end and a second open end, said first open end having a first internally threaded surface, and said second open end having a second internally threaded surface;an air-gas intake tube threadedly engaged within said gas delivery tube at one of said first or second open ends;an adapter threadedly engaged to said gas delivery tube at the opposite of said first or second open ends, said adapter including an extension, said extension having laterally extending flange-like portions extending from either side of said extension, said extension being externally threaded, and said extension providing the threaded engagement of the adapter within said gas delivery tube at its proximate end.