Mold for demolding contact lens and method thereof capable of fast demolding a contact lens by backward folding the mold cavity to effectively enhancing production efficiency of contact lens

• Main Authors: XIAO, XU-GUI, CHEN, ZHING, LIAO, XIAN-SHENG
• Format: Patent
• Language: Chinese; English
• Published: 16.07.2020
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; CONTACT LENSES; OPTICS; PERFORMING OPERATIONS; PHYSICS; 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; SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

The present invention provides a mold for demolding a contact lens, comprising a first mold and a second mold. The first mold comprises a mold cavity that is recessed toward a first direction, a curved section extended outward from a periphery of the mold cavity, a first mounting part adjacent to th...