Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1998-01-09
2000-06-13
Ball, Michael W.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156210, 156462, 156472, 428183, B31F 122
Patent
active
06074507&
ABSTRACT:
Corrugating rolls for forming corrugated paperboard medium are given a flute valley profile having a narrow channel along the valley base between arcuate segments of the valley base that parallel the channel on opposite sides of a radial plane of symmetry. This valley base channel is of such depth as to relieve the fiber compression stress between cooperatively nipping flute tip and valley surfaces along the axial plane between respective corrugating rolls. One advantage of the invention is to increase the on-line time of plated rolls by limiting accelerated wear of the plating in the valley base channels of the rolls. The invention also provides an improved corrugating medium characterized by flute tips which are relatively less compressed as compared to adjacent flanking regions.
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Ball Michael W.
Corrugating Roll Corporation
Piazza Gladys
LandOfFree
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