METHOD FOR MOLDING AN OPHTHALMIC LENS AND DEVICE FOR APPLYING A COATING TO THE SURFACE OF AN OPHTHALMIC LENS MOLD

• Main Authors: HEINRICH, Axel, HEIDRICH, Halina, STRAUBE, Karsten
• Format: Patent
• Language: English; French; German
• Published: 20.03.2019
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; PERFORMING OPERATIONS; PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

There are described a method for applying a coating to a surface of an ophthalmic lens mold. The mold includes male and female (20) mold halves, with each of the mold halves being provided with a lens forming surface (21). The method includes applying a temporary coating to at least a portion of at least one of the male and female mold halves (20), the temporary coating being capable of reducing adhesive forces between a lens forming material and the lens forming surface (21); and drying the temporary coating applied to the portion of the lens forming surface (21). Also described is a device (1) for applying such temporary coating to the portion of the lens forming surface (21) of the ophthalmic lens mold.