Patent ID: 7954626

Claim:
A conveyor roller ( 5 ) comprising a drum shell ( 54 ), a fluid connection ( 55 ) and at least a first fastening element ( 52 ) for fastening the conveyor roller ( 5 ) in a conveyor frame ( 3 ), the drum shell ( 54 ) having an outer tube ( 541 ) which is rotatably supported about the first fastening element ( 52 ), the outer tube ( 541 ) having a plurality of fluid-outlet openings ( 545 ) on its circumferential surface ( 543 ), the fluid connection ( 55 ) being in communication with the fluid-outlet openings ( 545 ), and a flow space ( 544 ) being formed between the outer tube ( 541 ) and an inner tube ( 542 ), which is arranged, at least in part, in the outer tube ( 541 ), the interior of the inner tube ( 542 ) being separated in a fluid-tight manner from fluid-channeling regions.