Method and device for limitation of the width of coating of pape

Details Method and device for limitation of the width of coating of pape Method and device for limitation of the width of coating of pape

1991-04-16

1992-06-16

Wityshyn, Michael G.

Coating processes

With post-treatment of coating or coating material

Solid treating member or material contacts coating

1525652, 291214, 118117, 118119, 118414, 118419, 118262, 427362, 427428, B05C 108, B05D 128, B05D 140

Patent

active

051223961

ABSTRACT:
The invention concerns a device and method for limiting of the width of coating in coating of paper or board. The coating agent is spread onto a moving base to be coated by means of a coating device provided with a grooved coating bar. The coating agent is spread substantially only over the width of the web and any coating agent extending substantially beyond the web width is scraped off the base to be coated with the aid of smooth end areas fitted at both ends of the coating bar. The invention is also related to a device for carrying out the method.

REFERENCES:
patent: 3238058 (1966-03-01), Jeannin
patent: 3497920 (1970-03-01), Brownell
patent: 4325321 (1982-04-01), Wahnschaff

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