Apparatus for coating a paper web

Details Apparatus for coating a paper web Apparatus for coating a paper web

1994-05-03

2000-09-26

Chin, Peter

Coating apparatus

Solid member or material acting on coating after application

Rotary member

118119, 118126, 118249, 118413, B05C 1102

Patent

active

061237701

ABSTRACT:
An apparatus for coating a paper web in which a coating mix is applied onto a paper web using an applicator unit which forms a linear mechanical force on the web against a first backing surface situated on the back side of the web. The coating mix applied onto the web is doctored using a doctor unit acting against a second backing surface. The speed of at least one of the backing surfaces is independently controlled relative to the speed of the first backing surface and the web speed in order to attain control of the tensile stress of the web.

REFERENCES:
patent: 2249088 (1941-07-01), Murray
patent: 2252345 (1941-08-01), Johnson
patent: 2312927 (1943-03-01), Murray
patent: 2711156 (1955-06-01), Bauling
patent: 3019130 (1962-01-01), Hornbostel
patent: 3088842 (1963-05-01), Kultnel
patent: 3863597 (1975-02-01), Anselrode
patent: 3870778 (1975-03-01), Steel
patent: 4041197 (1977-08-01), Gagne 427359

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