Method and apparatus for the coating of individual items

Details Method and apparatus for the coating of individual items Method and apparatus for the coating of individual items

1993-05-20

1994-11-15

Beck, Shrive

Coating processes

Application to opposite sides of sheet, web, or strip

4273722, 427424, 427508, 427512, 427521, 118313, 118314, 118501, B05D 100

Patent

active

053646584

ABSTRACT:
A method for coating individual items each having two plain and parallel sides comprises two process steps, wherein an item is first sprayed with a coating when it passes a spray box, and wherein the coating is then hardened, with at least two mutually adjoining sides of the item being treated in both steps. The method comprises two stages, each of which comprises both process steps, and where the item in the first stage at least in the second step is supported on a side which is not treated, after which the remaining sides on the item are treated in the second stage where the item is supported on a side which was treated in the first stage. The items at least in the second step in one of the stages are supported on the one parallel side by vacuum between the item and a conveyor belt. The contact between the item and the conveyor belt is initiated by air jets directed towards the conveyor belt. An apparatus is also proposed for carrying out the above method.

REFERENCES:
patent: 3961120 (1976-06-01), Hearn et al.
patent: 4344380 (1982-08-01), Matsumiya et al.
patent: 4620826 (1986-04-01), Rubio et al.
patent: 4877645 (1989-10-01), Bleich et al.
patent: 5024864 (1991-06-01), Bleich et al.

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