Doctoring device for an apparatus to apply a liquid or viscid me

Details Doctoring device for an apparatus to apply a liquid or viscid me Doctoring device for an apparatus to apply a liquid or viscid me

1998-09-30

2000-12-12

Edwards, Laura

Coating apparatus

Solid member or material acting on coating after application

Rotary member

118122, 118126, 118413, B05C 1102

Patent

active

061592897

ABSTRACT:
A doctoring device for an apparatus designed to apply a liquid or viscid medium onto a moving base surface includes a metering unit having a coater rod and a coater rod bed. The metering unit is attached to the support beam and is positioned so that it can be pressed against the base surface. A pressure-elastic support arrangement is disposed between the coater beam and the coater rod bed. The coater rod bed is supported pressure-elastically by the support beam via the support arrangement in at least two support directions that are perpendicular to each other. The spring rate of the support arrangement is adjustable in at least one of the support directions. A preferred support arrangement includes pressure hoses which are assigned to each of the two support directions. The pressures in these hoses can be adjusted, independently from each other, to a pre-determined level via a pressure source. Unwanted deformation of the support beam in various directions relative to the base surface can thereby be compensated for. Furthermore, there is a large degree of freedom in the selection of the mounting position of the doctoring device relative to the base surface.

REFERENCES:
patent: 4169425 (1979-10-01), Wohrle
patent: 4178015 (1979-12-01), Merriman et al.
patent: 4245582 (1981-01-01), Alheid et al.
patent: 5383968 (1995-01-01), Rantanen et al.
patent: 5599392 (1997-02-01), Liang et al.

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