Device for dosing coating substances on a traveling web of paper

Details Device for dosing coating substances on a traveling web of paper Device for dosing coating substances on a traveling web of paper

1991-09-25

1993-01-19

Wityshyn, Michael G.

Coating apparatus

Solid member or material acting on coating after application

Rotary member

1525652, 118262, 118410, 118414, 118419, 492 30, B05C 1102

Patent

active

051799090

ABSTRACT:
A device for dosing coating substances onto a travelling web. A doctor roll has circumferential grooves which are separated from each other by lands. Each of the lands has a surface parallel to the center axis of the roll when viewed in the direction of the center axis. The respective widths of the lands, viewed in the center axis direction, maximally equal the maximum width of the cross section of the circumferential grooves.

REFERENCES:
patent: 1957963 (1934-05-01), Johnstone
patent: 2066780 (1937-01-01), Holt
patent: 3718117 (1973-02-01), Lewicki, Jr.
patent: 4869933 (1989-09-01), Sollinger et al.
patent: 5103759 (1992-04-01), Henseler et al.

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