Lamination of composite eyeglass lenses

Details Lamination of composite eyeglass lenses Lamination of composite eyeglass lenses

1994-02-16

1995-07-18

Johnstone, Adrienne

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156 99, 1562722, 1562755, 1562757, 156295, 1563798, 156538, 156539, 156556, 156580, 15658391, 351177, 356127, 451460, B24B 13005, B32B 3120, B32B 3128

Patent

active

054338107

ABSTRACT:
Front and rear lenses of a composite eyeglass lens are laminated together by holding the front lens in an X, Y adjustable stage on a laminating axis, holding the rear lens in a predetermined position relative to the laminating axis, and moving the two lenses together on the laminating axis to spread an adhesive between them. The rear lens holder is rotatable around the laminating axis and has three pressure feet arranged in a triangle for pressing the rear lens uniformly against the front lens in a process that can be observed by the operator. Then, the adhesive between the pressed-together lenses is cured by UV radiation directed through the front lens before the lenses are removed from the laminator.

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patent: 4498919 (1985-02-01), Mann
patent: 4576623 (1986-03-01), Mann
patent: 4865670 (1989-09-01), Marks
patent: 4927480 (1990-05-01), Vaughan

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