Package making – Methods – Closing package or filled receptacle
Reexamination Certificate
2006-12-21
2010-11-16
Desai, Hemant M (Department: 3721)
Package making
Methods
Closing package or filled receptacle
C053S133700, C053S471000, C053S485000
Reexamination Certificate
active
07832188
ABSTRACT:
The invention relates to a method for heat sealing a lidstock (9) to a container (1) for a blister package, the container having a top surface comprising a substantially flat sealing flange (3) surrounding a blister (2) and a lip (4) having at least one raised surface (6), the method comprising the steps of a) locating the lidstock on the top surface; b) providing a first seal between the lidstock and the at least one raised surface of the lip with a first heat sealing tool (11); c) providing a second hermetic seal between the lidstock and the sealing flange surrounding the blister with a second heat sealing tool. The invention also relates to a package for storing a hydrophilic contact lens comprising a lip having at least one raised surface and a removable lidstock sealed to a sealing flange and to the at least one raised surface. Also disclosed is an apparatus for heat sealing the lidstock to the container.
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Coppinger John R.
Murphy Michael W.
O'Neill Anthony
O'Neill Patrick D.
O'Neill Trevor F.
Desai Hemant M
Smith Glenn D.
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