GASKET AND MOLD ASSEMBLY FOR PRODUCING PLASTIC LENSES

摘要

A gasket (510) configured to engage a first mold set for forming a first lens of a first power, the gasket comprising at least four discrete projections (511) for spacing mold members of a mold set, and wherein the projections are arranged on an interior surface (512) of the gasket and further comprising a fifth projection (520) positioned such that the projection contacts one of a mold member of the first mold set during use.