Apparatus for applying a controlled layer of a saturant or a coa

Details Apparatus for applying a controlled layer of a saturant or a coa Apparatus for applying a controlled layer of a saturant or a coa

1982-06-30

1984-01-24

Beck, Shrive P.

Coating processes

Falling curtain of coating material utilized

427299, 118407, 118410, 118DIG4, 68 62, 68200, B05D 130

Patent

active

044277229

ABSTRACT:
Apparatus for coating a travelling web with at least one layer of a liquid coating composition, such as a binder, as the web is moved along a path through a coating zone by way of a formation at the coating zone of a free-falling vertical curtain which extends transversely of the path of travel and impinges the travelling web to deposit the coating thereon. A lip is provided in cooperation with an air pressure chamber so as to control the discharge of the binder onto the slide or face of an inclined wall and thence onto the web. The lip is adjusted uniformly across the machine width with a mechanical jack arrangement and it is also variably adjusted laterally of the machine width by means of spaced microjacks so as to permit the discharge of variable amounts of the composition across the machine in accordance with the lip opening set by the respective microjacks.

REFERENCES:
patent: 3067060 (1962-12-01), Glaus
patent: 3205089 (1965-09-01), Kinzelman
patent: 3242003 (1966-03-01), Brown
patent: 3991236 (1976-11-01), Fleissner

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