Apparatus and method for forming a coating layer of multiple str

Details Apparatus and method for forming a coating layer of multiple str Apparatus and method for forming a coating layer of multiple str

1999-06-01

2000-12-12

Parker, Fred J.

Coating processes

Nonuniform coating

Striping

427420, 118407, 118412, 118DIG4, B05D 126, B05C 502

Patent

active

061595446

ABSTRACT:
This invention is related to a die set and method for the production of multiple stripes with two different materials A and B adjacent to each other. The special feature of this invention is that a specially designed shim is inserted between two pieces of coating dies. When liquids A and B enter the two sides of the die set separately, B liquid will flow through the distribution passages in the shim to form multiple stripes and then contact stripes of A liquid in the same slot section. The multiple stripes of repeated coating liquids that consists of ABAB patterns will be generated once the multiple stripes are coated and dried on the substrate.

REFERENCES:
patent: 4106437 (1978-08-01), Bartlett
patent: 4324816 (1982-04-01), Landis et al.
patent: 4344990 (1982-08-01), Wollam et al.
patent: 5145528 (1992-09-01), Watanabe et al.
patent: 5614260 (1997-03-01), Darcy
patent: 5733608 (1998-03-01), Kessel et al.

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