Contact lens package
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United States of America Patent
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Sep 1, 2015
Grant Date -
Jul 3, 2014
app pub date -
Dec 17, 2013
filing date -
Dec 21, 2012
priority date (Note) -
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Abstract
A plastic container for storing a hydrogel contact lens in a liquid, the container comprising: a cavity and a substantially flat flange that extends in a plane around the opening periphery of the cavity, and the flange having a sealing area round the circumference of the cavity. Furthermore, the sealing area has a micro-texture pattern. When sealing the container with a flexible cover sheet which is a laminate material having a metal foil layer and at least one polymer layer to form a storage package of the soft contact lens, the micro-texture pattern of the sealing area engages a laminate foil cover and displaces water beads present between the laminate foil cover and the plastic container in the sealing area around the cavity to form a heat seal.
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