Coating processes – With post-treatment of coating or coating material – Solid treating member or material contacts coating
Patent
1993-05-24
1995-01-03
Beck, Shrive
Coating processes
With post-treatment of coating or coating material
Solid treating member or material contacts coating
427361, 118126, 118413, 118674, 118681, B05D 312
Patent
active
053785037
ABSTRACT:
A web coater is provided with a doctor blade having an active edge or tip engaging the web at a predetermined position. The force applied by such active edge is adjusted by movement of jaws gripping the opposite edge of the blade. The jaws are moved along a curve empirically established to maintain the active edge of the blade in a predetermined fixed position during the adjustment. The angle of incidence of the active edge of the blade relative to the web is also maintained constant by pivoting a blade supporting frame about an axis coincident with the active edge. A controller is supplied with empirically established data developed by utilizing test blades to establish polynomial formulas having constants corresponding to each of the various blades intended to be used by the coater. The controller also automatically compensates for blade wear.
REFERENCES:
patent: 3683851 (1972-08-01), Nolden
patent: 4220113 (1980-09-01), Wohlfeild
patent: 4233930 (1980-11-01), Wohlfeil
patent: 4375202 (1983-03-01), Miller
patent: 4880672 (1989-11-01), Ericksson
patent: 4907528 (1990-03-01), Sollinger
patent: 4966093 (1990-10-01), Sommer
patent: 5035196 (1991-07-01), Mannio
patent: 5138970 (1992-08-01), Sollinger
patent: 5221351 (1993-06-01), Esser et al.
Kohler Herbert B.
Schmidt Michael L.
Beck Shrive
Talbot Brian K.
The Kohler Coating Machinery Corporation
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