F - Mech Eng,Light,Heat,Weapons – 26 – B
Patent
F - Mech Eng,Light,Heat,Weapons
26
B
34/23, 34/39
F26B 13/00 (2006.01) D21F 5/04 (2006.01)
Patent
CA 1247857
ABSTRACT The invention relates to a sealing device in a cylinder drier, intended for incorporation in a paper machine and including a plurality of cylinders arranged in two substantially parallel rows (1a, 1b), the paper web (2) being trained in a serpentine about said cylinder during drying, said web being carried by an endless porous fabric (3) adapted for pressing the web against the cylinder surfaces in one row of cylinders and situated between the paper web and the cylinder surfaces in -the other row. Two shielding members (7,15) being disposed in the space restricted by the fabric and an intermediate cylinder surface on that cylinder which the fabric and the web come onto and leave. Said shielding members facing the fabric and extending substantially in parallel with and close to the fabric and over the entire width of the web. The end portion of each shielding member being free and extending into the area for the nip between the fabric and the intermediate cylinder, whereas the opposite end portion is connected to a blowing box (10,14) provided with openings for blowing air in directions which are substantially in parallel with or form a certain angle to the fabric, said air jets being directed in the opposite direction relative to the corresponding shielding member.
455314
Andritz Technology And Asset Management Gmbh
Flakt Aktiebolag
Gowling Lafleur Henderson Llp
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