MACHINE FOR COATING AN OPTICAL ARTICLE WITH A PREDETERMINED COATING COMPOSITION AND METHOD FOR USING THE MACHINE
The machine for coating an optical article with a predetermined coating composition, includes a vacuum chamber (8) having an interior space (31) configured to receive the optical article, a vacuum pump (20) connected to the vacuum chamber (8), a nebulizer (40) configured to carry out a vacuum nebuli...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | The machine for coating an optical article with a predetermined coating composition, includes a vacuum chamber (8) having an interior space (31) configured to receive the optical article, a vacuum pump (20) connected to the vacuum chamber (8), a nebulizer (40) configured to carry out a vacuum nebulization treatment of the composition for depositing it on the optical article in the vacuum chamber, and a control unit (2) configured to control the vacuum pump; the control unit being configured to cause the vacuum pump to suck gases from the vacuum chamber to bring it to a predetermined required pressure for the vacuum nebulization treatment, and the control unit and the nebulizer are configured to nebulize the predetermined coating composition which is liquid into a mist of aerosol droplets and to direct the droplets towards at least a surface of the optical article. |
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