Mould and process for manufacturing an ophthalmic lens equipped with an insert
AssigneeEssilor International
InventorsEric Gacoin, Chefik Habassi
Life of this patent
Estimating the term…
Abstract
The invention relates to a mold (2) for manufacturing an ophthalmic lens or an ophthalmic lens blank called a puck (3), equipped with an insert (1), said mold comprising a first portion (2A) intended to mold the front face of the ophthalmic lens or puck, a second portion (2B) intended to mold the back face of the ophthalmic lens or puck and at least one third portion (2C) intended to mold a peripheral lateral face of the ophthalmic lens or puck. According to the invention, said mold (2) comprises at least one recess (2B1, 2B2, 2B3, 2B4) for positioning the insert (1), before and during the molding.
Claims8
A mould for manufacturing an ophthalmic lens or an ophthalmic lens blank (puck) equipped with an insert, said mould comprising:
- a first portion to mould a front face of the ophthalmic lens or puck,
- a second portion to mould a back face of the ophthalmic lens or puck, and
- at least one third portion to mould a peripheral lateral face of the ophthalmic lens or puck,
- wherein said mould includes at least one recess for positioning the insert, with abutment according at least two different directions, before and dining moulding.
Dependencies are inferred from the claim text.