Patent ID: 8117765

Claim:
An apparatus for sealing of a pocket space between drying cylinders in a paper machine or a board machine, comprising: a first cylinder and a second cylinder; a wire supported by the first and second cylinders and movable in relation to the first and second cylinders in a travelling direction of the wire; a first runnability component elongated in a cross direction of the paper machine, the first and second cylinders, the wire and the first runnability component defining the pocket space, the first runnability component comprising: a first sealing surface which is elongated in the cross direction and arranged a sealing distance A from the wire at a first sealing point, the sealing distance A being in the range 5-15 mm, the first sealing surface being fastened to the runnability component by a hinge such that the sealing distance A at the sealing point is changeable, and a first blow nozzle defining a nozzle slot having a nozzle width B in the range 0.5-3.5 mm and a length elongated in the cross direction, the nozzle slot being arranged to blow air from a first blow point towards the first sealing point and along the first sealing surface, the distance between the first blow point and the first sealing point measured along the first sealing surface is 2-5 times the sealing distance A.