Paper making and fiber liberation – Processes and products – Non-uniform – irregular or configured web or sheet
Patent
1993-10-12
1996-02-06
Lacey, David L.
Paper making and fiber liberation
Processes and products
Non-uniform, irregular or configured web or sheet
162260, 162281, 1525651, 1525653, 101425, 118413, B31F 114
Patent
active
054893640
ABSTRACT:
A creping system includes a Yankee dryer rotatable about its axis, a blade support mechanism which includes (a) a pair of guide rails, (b) a fixed attitude linear bearing engaging and translatable along each of the guide rails, each fixed attitude linear bearing being mounted on a block and (c) a combination linear-rotary bearing being carried by each block, the axis of each combination linear-rotary bearing being parallel to the generators of the surface of the Yankee dryer and collinear with the axis of the other combination linear-rotary bearing. A stub shaft engages each combination linear-rotary bearing, each stub shaft being translatable along, and rotatable about, the axis of its respective combination linear-rotary bearing. A blade holder is mounted between the stub shafts, and a blade mounted on the blade holder for engagement with the surface of the Yankee dryer. The blade support mechanism allows the creping angle of the blade to be adjusted and maintained within a desired range by allowing adjustment of the creping blade angle to compensate for changes in creping angle due to flexure of the blade and flank wear on the blade.
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James River Corporation of Virginia
Lacey David L.
Nguyen Dean T.
LandOfFree
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