Dyeing method and dyeing device of gradient eyeglass
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- XIAMEN YARUI OPTICAL
- Publication Date
- 2014-08-27
Smart Images
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Abstract
Description
Technical field
[0001] The invention relates to a dyeing method and corresponding equipment for a lens, more specifically to a dyeing method and a dyeing equipment for a gradient color lens. Background technique
[0002] As one of the current popular lenses, gradient lenses are generally made by thermal dyeing process. For one of the manufacturing processes, please refer to Chinese Invention Patent Publication CN1199176A. The disclosed progressive color lens dip dyeing process is:
[0003] ① Immerse the lens in blue dye solution, rinse it in cold water at 4-10℃ after full dyeing for 4-6 seconds, rinse with cold water after 2-3 seconds to remove floating color;
[0004] ②Then immerse the lens in green dye solution, and rinse it in cold water at 4-10℃ for 3-5 seconds to remove floating color;
[0005] ③Finally, immerse the lens in a brown dye solution, rinse in cold water at 4-10°C after half dyeing for 10 seconds, and rinse in cold water for 4-5 minutes after half dyeing for 2-3 second...