Apparatus for the application of at least one liquid medium onto

Details Apparatus for the application of at least one liquid medium onto Apparatus for the application of at least one liquid medium onto

1995-04-12

1998-05-12

Czaja, Donald E.

Coating apparatus

Immersion or work-confined pool type

Work-confined pool

118410, 118126, 118231, B05C 302, B05C 1102

Patent

active

057499721

ABSTRACT:
Apparatus for the application of at least one liquid medium onto a moving material web, in particular of paper or cardboard, including an application mechanism (3) for the liquid medium and a roller (2) associated with the application mechanism for receiving the liquid medium in the case of an indirect application or for guiding the material web in the case of direct application, the application mechanism (3) including a dosaging blade (4) and a damming strip (7) arranged at a distance from the dosaging blade as seen against the direction of rotation of the roller (2), the damming strip together with the dosaging blade defining an application chamber (6), a running-off surface (8) over which the excess liquid medium flows out of the application chamber (6) and over the damming strip (7), and wherein the dosaging blade (4) has a blade holder (5) with a base strip (5b) mounted in the application mechanism (3). The blade holder (5) is bent in such a manner that the cross-sectional extension (R) of the base strip (5b) forms an angle (.alpha.') with the roller rotational direction (T) at the dosaging blade (4) of at least approximately 90.degree. or more.

REFERENCES:
patent: 4869933 (1989-09-01), Sollinger et al.
patent: 4887547 (1989-12-01), Sommer et al.
patent: 5286526 (1994-02-01), Rantanen et al.
patent: 5454870 (1995-10-01), Sieberth

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