Menicon has been granted a patent for an apparatus designed for spin casting lenses. The apparatus includes a rotatable tube made of metal with apertures for actinic radiation transmission. The design allows for homogeneous irradiation of contact lens molds for efficient production. GlobalData’s report on Menicon gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Menicon, Opthalmic lenses 3D Printing was a key innovation area identified from patents. Menicon's grant share as of May 2024 was 44%. Grant share is based on the ratio of number of grants to total number of patents.
Apparatus for spin casting lenses with homogeneous irradiation
A recently granted patent (Publication Number: US11993038B2) discloses an apparatus designed for spin casting lenses. The apparatus includes a rotatable tube with a longitudinal cavity, featuring a zone made of a material opaque to actinic radiation. This zone allows for the homogeneous irradiation of at least two contact lens molds arranged concentrically within the cavity. The rotatable tube also includes a bearing mounting zone at one end, free of apertures, ensuring efficient operation during the lens casting process.
Furthermore, the patent claims detail additional features such as the material composition of the rotatable tube, which is specified to be made of metal, and the presence of apertures in the opaque zone to permit the transmission of actinic radiation. The shape of these apertures can vary, including options like diamond, circle, square, rectangle, or oval. Additionally, the apparatus includes multiple bearing mounting zones at both ends of the rotatable tube, all made of a non-brittle opaque material. These features collectively contribute to the functionality and effectiveness of the apparatus in producing high-quality lenses through the spin casting process.
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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.
GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
