Patent ID: 9603199
Date: 2017-03-21
CPC Classifications: F23C,F27D,H05B

Claim:
1. A radiant heat tube ( 5 ) for mounting in operative position substantially within a furnace chamber ( 1 ), the radiant heat tube ( 5 ) having a first outer end ( 12 ) and a second outer end ( 11 ) in opposite arrangement to each other extending between a pair of opposite furnace walls ( 2 , 3 ) of the furnace chamber ( 1 ), the radiant heat tube ( 5 ) comprising a tube body having a straight center section ( 6 ) and at least one recirculating section ( 7 , 8 )) arranged next to the straight center section ( 6 ), said at least one recirculating section ( 7 , 8 ) forming respectively at least one loop ( 9 , 10 ) with the straight center section ( 6 ), a burner ( 14 ) for heating the radiant heat tube ( 5 ), and means for permitting a turning pivoting without enabling axial movement of the straight center section ( 6 ) of the radiant heat tube ( 5 ) for ensuring the integrity of the radiant heat tube ( 5 ); wherein the means for permitting a turning pivoting without enabling axial movement of the radiant heat tube (