Large lens forming die

• Main Author: CAO BIBAO
• Format: Patent
• Language: Chinese; English
• Published: 02.06.2020
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES; PERFORMING OPERATIONS; 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

A large lens forming die comprises a top plate (1), a pressing plate assembly (2), a bottom plate (3) and a die core assembly (4), the pressing plate assembly (2) is located between the top plate (1)and the bottom plate (3), a containing groove (20) is formed in the pressing plate assembly (2), and...