Johnson & Johnson Vision Products Inc.

Johnson and Johnson Vision Care, Inc.

Jan Van Lievenoogen

Victor Lust

Kornelis Renkema

Philip K Parnell

Jeffrey H Roffman

Wybren Van Der Meulen

Thomas A Matiacio

Keith T O'Brien

Will Van Kraay

Franciscus Paridaans

This invention provides a mold comprising a first mold half which works in conjunction with a second mold half for forming ophthalmic devices wherein said first mold half comprises at least one changeable cassette comprising inserts for forming said ophthalmic devices. The mold is particularly well-suited for use in an injection molding machine.

Mold, molding system and molding machine for making ophthalmic devices

A method and apparatus for the manufacture of lens molds used in the formation of optical contact lenses, the apparatus including a center gate aligned on the central axis of the lens mold cavity for delivery of the melt polymer in an axisymmetrical manner. The methodology produces lens molds of extremely precise dimensions as measured against lens molds produced with side gated technology.

Apparatus and method for producing center gated lens molds for contact

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Heythuysen, Netherlands

Jan Van Lievenoogen