System and method for application of ink formulations onto ophthalmic lenses
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United States of America Patent
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N/A
Issued Date -
Nov 6, 2008
app pub date -
May 1, 2007
filing date -
May 1, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A system and method for applying an ink composition to an ophthalmic lens is described providing at least one ophthalmic lens having a meniscus-shaped surface, and providing an ink composition formulated for either removable or non-removable as well as non-bleeding ink jet application onto the surface of the lens. The ink composition is jetted directly onto a stamp via an ink jet print head to form a printed image on the stamp, and the printed image is permitted to set for at least an ink drying period. The printed image is oriented with respect to the lens to align the printed image with a desired location and the printed image is applied onto the lens surface with the stamp to form a mark. Preferably, the duration of the ink drying period is sufficient to at least prevent bleeding of the ink into the lens upon application onto the lens surface.
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