Patent ID: 9738040
Date: 2017-08-22
CPC Classifications: B29C,B29D,B29L

Claim:
1. A method for making a spectacle lens, the method comprising the steps of: joining a mold and a sealing ring, the mold having an integrated block piece and a mold shell made by primary shaping and the sealing ring having a first end face, a second end face, a peripheral seal, an opening disposed on the first end face configured to receive a mold, and a flexible membrane on the second end face with the sealing ring and the mold shell conjointly defining a mold cavity; introducing a polymerizable material into the mold cavity with the aid of a pump action of the flexible membrane of the sealing ring; fixing the flexible membrane of the sealing ring in a desired surface shape; carrying out the polymerization in the mold cavity; and, removing the mold with a cast-on spectacle lens blank.