BLISTER PACK FOR OPTICAL LENS
PURPOSE: To minimize the volume of a container, i.e., blister pack for keeping optical lenses, particularly hydrophilic soft contact lenses, to facilitate unsealing, to reduce the quantity of preservation liquid to the minimum, and to facilitate taking out the lenses. CONSTITUTION: This blister pack...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | PURPOSE: To minimize the volume of a container, i.e., blister pack for keeping optical lenses, particularly hydrophilic soft contact lenses, to facilitate unsealing, to reduce the quantity of preservation liquid to the minimum, and to facilitate taking out the lenses. CONSTITUTION: This blister pack comprises a base part B having a depressed part C for containing optical lenses L and germ-free preservation liquid S, and a cover layer D. The depressed part C includes a dish-shaped depressed part 11 and a secondary dent part 12 which has a tapered groove-like shape adjacent sideward to the depressed part 11. The main depressed part 11 smoothly transits into the secondary depressed part 12. The main depressed part 11 and the secondary depressed part 12 have a drop-shaped profile 14 in the plane, and the front end 14 of the profile is directed toward a grasping position 3 of a flange 1. |
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