US 11,655,070 B2
Contact lens blister packages and methods for recycling same
Jesus Javier Rivera Velez, Juana Diaz, PR (US); Javier E. Alayon Rivera, Juana Diaz, PR (US); Jose A. Burgos Cruz, Coamo, PR (US); and Lucas Sievens Figueroa, San Juan, PR (US)
Assigned to COOPERVISION INTERNATIONAL LIMITED, Fareham (GB)
Filed by CooperVision International Limited, Fareham (GB)
Filed on Jul. 25, 2022, as Appl. No. 17/872,029.
Claims priority of provisional application 63/350,043, filed on Jun. 8, 2022.
Claims priority of provisional application 63/350,238, filed on Jun. 8, 2022.
Claims priority of provisional application 63/347,706, filed on Jun. 1, 2022.
Claims priority of provisional application 63/347,732, filed on Jun. 1, 2022.
Claims priority of provisional application 63/225,976, filed on Jul. 27, 2021.
Prior Publication US 2023/0040022 A1, Feb. 9, 2023
Int. Cl. B65D 21/02 (2006.01)
CPC B65D 21/0228 (2013.01) [B65D 21/0233 (2013.01); B65D 2585/545 (2013.01)] 24 Claims
OG exemplary drawing
 
1. A contact lens blister package, comprising:
a thermoplastic base member comprising a bowl that defines a blister cavity dimensioned to accommodate a contact lens, and a flange projecting away from the blister cavity, the flange providing a sealing ring region circumscribing the blister cavity, and the flange having a first proximal end providing a gripping portion configured to be held between a thumb and a finger of a contact lens wearer, and a second distal end extending away from the proximal end from the opposite side of the blister cavity;
a liquid contact lens packaging solution provided in the blister cavity;
an unworn contact lens located in the contact lens packaging solution in the cavity; and
a sealing member hermetically sealed to the sealing ring region of the thermoplastic base member to maintain the contact lens in a sterile condition,
wherein the flange comprises at least one connecting feature located between an outer perimeter of the sealing ring region and the proximal end of the flange, the at least one connecting feature being configured to mechanically fasten the thermoplastic base member to a second thermoplastic base member of another contact lens blister package to form a thermoplastic base member assembly and the connecting feature is an interlocking feature and the thermoplastic base member assembly does not break or separate while being initially processed at a recycling facility and wherein the interlocking feature comprises a hole and the hole is a slot defined through the flange, the slot having a length greater than a width and wherein the interlocking feature further comprises a clip having dimensions configured to fit through the slot.