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US 12,310,474 B2Granted
Multi-material lens package
AssigneeJohnson & Johnson Vision Care, Inc.
InventorsWilliam Gooch, Scott F. Ansell, Gerard Sheehan, Timothy Burkill
Life of this patent
Estimating the term…
Abstract
There is described a contact lens package containing a bowl for holding a contact lens and a flange around the bowl which may be made from a different polymer material than the bowl. The packages comprise at least one interface tab with at least one slot so that the second polymer material forming the flange can encapsulate the tab providing a mechanical interlock displaying good flexural strength.
Claims53
A package comprising:
- a package base comprising a bowl comprising a well for holding a lens and having at least one interface tab on at least a portion of a peripheral edge of the bowl, the at least one interface tab comprising at least one interface slot through the at least one interface tab;
- a flange at least partially surrounding the peripheral edge of the bowl, filling the at least one interface slot and at least partially encapsulating the at least one interface tab to form an interlock.
The package of any of the foregoing claims wherein the at least one interface slots have rounded corners.
Dependencies are inferred from the claim text.