Loading patent…
AssigneeJohnson & Johnson Vision Products, Inc.
InventorsTure Kindt-Larsen, Stephen Robert Beaton, Wallace Anthony Martin, Stephen Craig Pegram, Craig William Walker
Estimating the term…
An apparatus for separating individual contact lens mold assemblies that each contain a contact lens mold between a front curve mold half and a back curve mold half, each of the mold halves having annular circumferential flanges, is disclosed. The apparatus comprises a first device for applying steam at a first temperature to the back curve mold half to form a temperature gradient ranging from about 2.5.degree. C. to 6.0.degree. C. between the back curve mold half relative to the front curve mold half, and, a second device including a set of pry tools that are inserted between the circumferential flanges of the front mold and back mold halves of the contact lens mold assembly, the pry tools including a first set of pry fingers for retaining the front curve mold half and a second set of pry fingers for biasing the back curve mold half upwardly at a predetermined force with respect to the front curve mold half to effectively remove the back mold half therefrom.
A steam nozzle assembly for heating a back curve half of a contact lens mold assembly, wherein said contact lens mold assembly includes a contact lens molded between a front curve half and a back curve half, said steam nozzle assembly including:
Dependencies are inferred from the claim text.