Invention Grant
US07669946B2 Ink jet printing system for printing colored images on contact lenses 有权
用于在隐形眼镜上打印彩色图像的喷墨打印系统

  • Patent Title: Ink jet printing system for printing colored images on contact lenses
  • Patent Title (中): 用于在隐形眼镜上打印彩色图像的喷墨打印系统
  • Application No.: US11801282
    Application Date: 2007-05-09
  • Publication No.: US07669946B2
    Publication Date: 2010-03-02
  • Inventor: Robert Carey TuckerDavid Hyink
  • Applicant: Robert Carey TuckerDavid Hyink
  • Applicant Address: CH Basel
  • Assignee: Novartis AG
  • Current Assignee: Novartis AG
  • Current Assignee Address: CH Basel
  • Agent Sheng-Hsin Hu; Jian Zhou
  • Main IPC: B41J29/38
  • IPC: B41J29/38
Ink jet printing system for printing colored images on contact lenses
Abstract:
The present invention provides a method for making colored contact lenses and an apparatus for implementing the method of the invention. The apparatus of the invention comprises a securing means for holding a contact lens or a portion of a mold for making the contact lens, a printer head, wherein the printer head comprises one or more nozzles each of which is capable of jetting droplets of color liquid independent of each other under control of a computer system; a positioning means for precisely positioning the printer head at each of a plurality of predetermined positions, one at a time, on a surface of the contact lens or the mold portion under control of the computer system. The method and apparatus of the invention are useful for producing colored contact lenses having high quality color images thereon.
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