Dry end surface treatment using ultrasonic transducers

Details Dry end surface treatment using ultrasonic transducers Dry end surface treatment using ultrasonic transducers

2005-09-13

2005-09-13

Bareford, Katherine (Department: 1762)

Coating processes

Direct application of electrical, magnetic, wave, or...

Pretreatment of substrate or post-treatment of coated substrate

C427S600000, C427S356000, C427S358000, C118S057000, C118S123000, C118S126000

Reexamination Certificate

active

06942904

ABSTRACT:
The method is for applying a coating on a paper substance. A paper moves over a set of rollers. A coating is applied with a coating applicator that has ultrasonic transducers to vibrate the coating to reduce the viscosity of the coating. A downstream blade has an ultrasonic transducer in operative engagement with the blade. The vibrating blade is applied to the paper for scraping off excessive coating from the paper.

REFERENCES:
patent: 6303187 (2001-10-01), Leino et al.
patent: 23 56 737 (1975-05-01), None

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