Ultrasonically assisted coating method

Details Ultrasonically assisted coating method Ultrasonically assisted coating method

1992-08-10

1993-11-16

Pianalto, Bernard

Coating processes

Measuring, testing, or indicating

427299, 427346, 427355, 427560, 427600, B05D 314

Patent

active

052621936

ABSTRACT:
An ultrasonically assisted coating method for applying a smooth layer of coating material on a surface of a moving web are disclosed. A coating material is applied onto one web surface. An ultrasonic energy generator excites the line of initial contact between the coating material and the web at a uniform ultrasonic intensity selected in combination with the properties of the coating material. The coated web has a thin, uniform crossweb thickness with low thickness variations.

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"The Effect of Ultrasonic Vibration on Polymers in Fluid State"; M. L. Fridman et al. (No date available).
"Flow of Thermoplastics in Dies with Oscillating Boundary"; A. I. Isayev et al. (no date available).
"Ultrasonic Enhancement of Epoxy Matrix Pultrusions"; Noel J. Tessier et al.; 41st Annual Conf, Reinforced Plastics/Composites Institute; Jan. 1986.

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