Method for coating a web of paper or paperboard and a coated...

Details Method for coating a web of paper or paperboard and a coated... Method for coating a web of paper or paperboard and a coated...

2008-06-24

2008-06-24

Kiliman, Leszek (Department: 1794)

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

C428S332000, C428S334000, C428S337000, C428S537500, C162S135000, C162S136000, C162S137000, C162S147000, C162S205000, C162S265000, C427S317000, C427S324000, C427S325000, C427S326000

Reexamination Certificate

active

07390557

ABSTRACT:
A method for manufacturing a web of paper and paperboard, in which method a spray-coating technique is used for applying a web treatment substance to at least one surface of a moving web. The qualities of the web treatment substance are selected such that at least the droplet size and viscosity of the web treatment substance are controlled such as to make the thickness of the applied web treatment substance essentially equal in at least two randomly selected sample areas. According to the invention, the applied coating conforms with the surface contour of the base sheet. A paper manufactured using the method.

REFERENCES:
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patent: 6106902 (2000-08-01), Koskinen et al.
patent: 6237525 (2001-05-01), Kinnunen
patent: 6589288 (2003-07-01), McDowell et al.
patent: 6787196 (2004-09-01), Nissinen et al.
patent: 2001/0009700 (2001-07-01), Ilmasti et al.
patent: 2001/0048976 (2001-12-01), Hess
patent: 1 040 225 (1999-04-01), None
patent: WO 9506522 (1995-03-01), None
patent: WO 99/15731 (1999-04-01), None
patent: WO 9919081 (1999-04-01), None

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