Apparatus for direct or indirect application of a liquid or past

Details Apparatus for direct or indirect application of a liquid or past Apparatus for direct or indirect application of a liquid or past

1997-12-11

1999-12-21

Lamb, Brenda A.

Coating apparatus

Solid applicator contacting work

Movably mounted applicator

118414, B05C 106

Patent

active

060043946

ABSTRACT:
An apparatus for direct or indirect application of at least one liquid or pasty medium onto a traveling material web, notably of paper or cardboard, includes at least one applicator for the medium. Coordinated with the applicator is a backing roll for receiving the medium in the indirect application or for carrying the material web in the direct application. The applicator includes a coating doctor and, arranged a distance from the coating doctor in a direction opposite to the direction of rotation of the backing roll, a second doctor element. The second doctor element bounds, with the coating doctor, a coating chamber for the medium. The coating doctor and the second doctor element are retained on a common, substantially rigid doctor bed and bound together with the backing roll surface and the doctor bed surface the coating chamber. At least one feed line for feeding the medium to the coating chamber is provided in the common doctor bed.

REFERENCES:
patent: 3273535 (1966-09-01), Krikorian
patent: 4245582 (1981-01-01), Alheid et al.
patent: 4250211 (1981-02-01), Damrau et al.
patent: 4839201 (1989-06-01), Rantanen et al.
patent: 5103732 (1992-04-01), Wells et al.
patent: 5433781 (1995-07-01), Bernert
patent: 5647907 (1997-07-01), Van der Meulen

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