C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
101/123, 117/142
C23C 16/02 (2006.01) B05D 1/02 (2006.01) B05D 1/04 (2006.01) B05D 3/00 (2006.01) B41N 3/03 (2006.01) B41N 7/06 (2006.01)
Patent
CA 2020565
The invention relates to a liquid transfer article, such as an ink roll, and method for producing it, in which the article comprises a substrate coated with a ceramic or metallic carbide coating having engraved in its surface a pattern of wells adapted for receiving a metered quantity of a liquid, such as ink, and wherein the microporosities in the surface of the wells are filled with a film of a vapor-deposited polymer, such as parylene.
Cette invention concerne un moyen de transfert de liquide tel qu'un rouleau encreur et la méthode de fabrication dudit moyen. Celui-ci se compose d'un substrat revêtu d'un carbure métallique ou céramique présentant une série de dépressions adaptées pour recevoir une quantité dosée de liquide, de l'encre par exemple, les microporosités de surface desdites dépressions étant remplies d'une pellicule de polymère déposée en phase vapeur, du parylène par exemple.
Praxair S.t. Technology Inc.
Sim & Mcburney
LandOfFree
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