Appeal No. 2000-0803 Application 05/333,233 to produce visible light, a reradiator sleeve 48 surrounding the radiant 44 and mantle 58, and a conical reradiator cover 50 mounted at the upper end of the reradiator sleeve. In operation, a air-gas mixture passes through the perforations of the radiant 44 and burns in combustion zone 54, whereupon the conical shape of the radiant 44 aids in uniformly distributing heat to the 6Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 NextLast modified: November 3, 2007