Process and an apparatus for simultaneously coating several laye

Details Process and an apparatus for simultaneously coating several laye Process and an apparatus for simultaneously coating several laye

1981-09-04

1983-05-17

Beck, Shrive P.

Coating processes

Applying superposed diverse coating or coating a coated base

118DIG4, 118325, 427420, 430935, B05D 130, B05D 134

Patent

active

043840159

ABSTRACT:
The invention relates to an apparatus and process for simultaneously coating several layers to moving objects, particularly webs, whereby at least two liquid coating materials issue over the width of V-shaped sliding surfaces or above following sliding surfaces are delivered to the two sliding surfaces which are arranged in the form of a V and which form a discharge edge above the objects or web to be coated, flow down the underside of the V-shaped sliding surfaces, combine at the end of the sliding surfaces to form a multiple layer film of liquid which is deposited in the form of a free falling curtain onto the objects or the web of layer support material.

REFERENCES:
patent: 3341354 (1967-09-01), Woods et al.
patent: 3365325 (1968-01-01), Fraenkel et al.
patent: 3508947 (1970-04-01), Hughes
patent: 3593677 (1971-07-01), McLain
patent: 3867901 (1975-02-01), Greiller
patent: 3973062 (1976-08-01), Fahrni
patent: 4019906 (1977-04-01), Ridley

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