Coating processes – With post-treatment of coating or coating material – Solid treating member or material contacts coating
Patent
1999-01-20
2000-08-22
Bareford, Katherine A.
Coating processes
With post-treatment of coating or coating material
Solid treating member or material contacts coating
427356, 118411, 118413, B05D 312, B05C 1104
Patent
active
061069000
ABSTRACT:
A method of applying a multi-layer coating to a surface of an elongated strip article (10) of variable thickness or surface height. The method involves applying at least two layers (12a, 12b,) of different coating materials in the form of solidifiable fluids directly onto the surface (10a, 47, 48) of the elongated metal strip article and reducing the layers to a desired thickness by causing the applied coating materials to encounter at least one coating surface (27) that is movable substantially perpendicularly relative to the strip article and is urged towards the strip article in opposition to hydrodynamic force generated by the coating materials on the at least one coating surface. Differences of thickness or surface height of the strip article are therefore accommodated unduly varying the coating thickness. In the method, one layer (12b) is coated on top of another (12a) in such a way that an outer coating layer is applied on an immediately underlying layer before the immediately underlying layer solidifies. The invention also relates to apparatus for carrying out the method.
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Advertisement--"EDI Multi-Manifold Coextrusion Dies" 1992 Extrusion Dies, Inc. Printed in USA (no month date).
Ball Melville Douglas
Brockman Neil Louis
Innes Robert Arthur
Wollam Carl Arlen
Alcan International Limited
Bareford Katherine A.
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