Patent ID: 8523747

Claim:
A hollow roller ( 1 ) which is heatable with steam, which has a roller shell ( 2 ) with an inner wall ( 25 ), two end walls ( 3 , 4 ), a centre longitudinal axis ( 5 ) and an interior ( 13 ), which is rotatably mounted, which has a steam supply channel opening into the interior ( 13 ) coaxially to the centre longitudinal axis ( 5 ) and which has a siphon pipe ( 14 ) which opens into the interior ( 13 ) coaxially to the centre longitudinal axis ( 5 ), with a suction opening ( 24 ) located adjacent to the inner wall ( 25 ), wherein the siphon pipe ( 14 ) is formed rigidly and is held in a rotary feed-through ( 16 ), which is pivotable relative to the centre longitudinal axis ( 5 ) about a pivot angle α in such a way that a spacing b of the section opening( 24 ) from the inner wall ( 25 ) is adjustable, wherein the siphon pipe ( 14 ) is rigidly connected to the rotary feed-through ( 16 ), wherein the rotary feed-through ( 16 ) is mounted on pivot bearings ( 28 ), said pivot bearings ( 28 ) are each carried on a bearing rod ( 26 , 27 ), and wherein the bearing rods ( 26 , 27 ) are screwed on either side of a bearing journal ( 7 ) of the end wall ( 4 ) and a housing ( 17 ) of the rotary feed-through ( 16 ).